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dv: K&R formatting cosmetics 

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Gabriel Dume 2014-09-08 13:40:28 -04:00 committed by Diego Biurrun
parent f629705b02
commit ee0ebd3c14
7 changed files with 1017 additions and 977 deletions
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219
libavcodec/dv.c
View File

@ -40,128 +40,135 @@
#include "libavutil/internal.h" #include "libavutil/internal.h"
#include "libavutil/pixdesc.h" #include "libavutil/pixdesc.h"
#include "avcodec.h" #include "avcodec.h"
#include "dv.h"
#include "dvdata.h"
#include "get_bits.h" #include "get_bits.h"
#include "internal.h" #include "internal.h"
#include "put_bits.h" #include "put_bits.h"
#include "simple_idct.h" #include "simple_idct.h"
#include "dvdata.h"
#include "dv.h"
/* XXX: also include quantization */ /* XXX: also include quantization */
RL_VLC_ELEM ff_dv_rl_vlc[1184]; RL_VLC_ELEM ff_dv_rl_vlc[1184];
static inline void dv_calc_mb_coordinates(const AVDVProfile *d, int chan, int seq, int slot, static inline void dv_calc_mb_coordinates(const AVDVProfile *d, int chan,
uint16_t *tbl) int seq, int slot, uint16_t *tbl)
{ {
static const uint8_t off[] = { 2, 6, 8, 0, 4 }; static const uint8_t off[] = { 2, 6, 8, 0, 4 };
static const uint8_t shuf1[] = { 36, 18, 54, 0, 72 }; static const uint8_t shuf1[] = { 36, 18, 54, 0, 72 };
static const uint8_t shuf2[] = { 24, 12, 36, 0, 48 }; static const uint8_t shuf2[] = { 24, 12, 36, 0, 48 };
static const uint8_t shuf3[] = { 18, 9, 27, 0, 36 }; static const uint8_t shuf3[] = { 18, 9, 27, 0, 36 };
static const uint8_t l_start[] = {0, 4, 9, 13, 18, 22, 27, 31, 36, 40}; static const uint8_t l_start[] = { 0, 4, 9, 13, 18, 22, 27, 31, 36, 40 };
static const uint8_t l_start_shuffled[] = { 9, 4, 13, 0, 18 }; static const uint8_t l_start_shuffled[] = { 9, 4, 13, 0, 18 };
static const uint8_t serpent1[] = {0, 1, 2, 2, 1, 0, static const uint8_t serpent1[] = {
0, 1, 2, 2, 1, 0, 0, 1, 2, 2, 1, 0,
0, 1, 2, 2, 1, 0, 0, 1, 2, 2, 1, 0,
0, 1, 2, 2, 1, 0, 0, 1, 2, 2, 1, 0,
0, 1, 2}; 0, 1, 2, 2, 1, 0,
static const uint8_t serpent2[] = {0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0, 0, 1, 2
0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0, };
0, 1, 2, 3, 4, 5}; static const uint8_t serpent2[] = {
0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,
0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0,
0, 1, 2, 3, 4, 5
};
static const uint8_t remap[][2] = {{ 0, 0}, { 0, 0}, { 0, 0}, { 0, 0}, /* dummy */ static const uint8_t remap[][2] = {
{ 0, 0}, { 0, 1}, { 0, 2}, { 0, 3}, {10, 0}, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, /* dummy */
{10, 1}, {10, 2}, {10, 3}, {20, 0}, {20, 1}, { 0, 0 }, { 0, 1 }, { 0, 2 }, { 0, 3 }, { 10, 0 },
{20, 2}, {20, 3}, {30, 0}, {30, 1}, {30, 2}, { 10, 1 }, { 10, 2 }, { 10, 3 }, { 20, 0 }, { 20, 1 },
{30, 3}, {40, 0}, {40, 1}, {40, 2}, {40, 3}, { 20, 2 }, { 20, 3 }, { 30, 0 }, { 30, 1 }, { 30, 2 },
{50, 0}, {50, 1}, {50, 2}, {50, 3}, {60, 0}, { 30, 3 }, { 40, 0 }, { 40, 1 }, { 40, 2 }, { 40, 3 },
{60, 1}, {60, 2}, {60, 3}, {70, 0}, {70, 1}, { 50, 0 }, { 50, 1 }, { 50, 2 }, { 50, 3 }, { 60, 0 },
{70, 2}, {70, 3}, { 0,64}, { 0,65}, { 0,66}, { 60, 1 }, { 60, 2 }, { 60, 3 }, { 70, 0 }, { 70, 1 },
{10,64}, {10,65}, {10,66}, {20,64}, {20,65}, { 70, 2 }, { 70, 3 }, { 0, 64 }, { 0, 65 }, { 0, 66 },
{20,66}, {30,64}, {30,65}, {30,66}, {40,64}, { 10, 64 }, { 10, 65 }, { 10, 66 }, { 20, 64 }, { 20, 65 },
{40,65}, {40,66}, {50,64}, {50,65}, {50,66}, { 20, 66 }, { 30, 64 }, { 30, 65 }, { 30, 66 }, { 40, 64 },
{60,64}, {60,65}, {60,66}, {70,64}, {70,65}, { 40, 65 }, { 40, 66 }, { 50, 64 }, { 50, 65 }, { 50, 66 },
{70,66}, { 0,67}, {20,67}, {40,67}, {60,67}}; { 60, 64 }, { 60, 65 }, { 60, 66 }, { 70, 64 }, { 70, 65 },
{ 70, 66 }, { 0, 67 }, { 20, 67 }, { 40, 67 }, { 60, 67 }
};
int i, k, m; int i, k, m;
int x, y, blk; int x, y, blk;
for (m=0; m<5; m++) { for (m = 0; m < 5; m++) {
switch (d->width) { switch (d->width) {
case 1440: case 1440:
blk = (chan*11+seq)*27+slot; blk = (chan * 11 + seq) * 27 + slot;
if (chan == 0 && seq == 11) { if (chan == 0 && seq == 11) {
x = m*27+slot; x = m * 27 + slot;
if (x<90) { if (x < 90) {
y = 0; y = 0;
} else { } else {
x = (x - 90)*2; x = (x - 90) * 2;
y = 67; y = 67;
} }
} else { } else {
i = (4*chan + blk + off[m])%11; i = (4 * chan + blk + off[m]) % 11;
k = (blk/11)%27; k = (blk / 11) % 27;
x = shuf1[m] + (chan&1)*9 + k%9; x = shuf1[m] + (chan & 1) * 9 + k % 9;
y = (i*3+k/9)*2 + (chan>>1) + 1; y = (i * 3 + k / 9) * 2 + (chan >> 1) + 1;
} }
tbl[m] = (x<<1)|(y<<9); tbl[m] = (x << 1) | (y << 9);
break; break;
case 1280: case 1280:
blk = (chan*10+seq)*27+slot; blk = (chan * 10 + seq) * 27 + slot;
i = (4*chan + (seq/5) + 2*blk + off[m])%10; i = (4 * chan + (seq / 5) + 2 * blk + off[m]) % 10;
k = (blk/5)%27; k = (blk / 5) % 27;
x = shuf1[m]+(chan&1)*9 + k%9; x = shuf1[m] + (chan & 1) * 9 + k % 9;
y = (i*3+k/9)*2 + (chan>>1) + 4; y = (i * 3 + k / 9) * 2 + (chan >> 1) + 4;
if (x >= 80) { if (x >= 80) {
x = remap[y][0]+((x-80)<<(y>59)); x = remap[y][0] + ((x - 80) << (y > 59));
y = remap[y][1]; y = remap[y][1];
} }
tbl[m] = (x<<1)|(y<<9); tbl[m] = (x << 1) | (y << 9);
break; break;
case 960: case 960:
blk = (chan*10+seq)*27+slot; blk = (chan * 10 + seq) * 27 + slot;
i = (4*chan + (seq/5) + 2*blk + off[m])%10; i = (4 * chan + (seq / 5) + 2 * blk + off[m]) % 10;
k = (blk/5)%27 + (i&1)*3; k = (blk / 5) % 27 + (i & 1) * 3;
x = shuf2[m] + k%6 + 6*(chan&1); x = shuf2[m] + k % 6 + 6 * (chan & 1);
y = l_start[i] + k/6 + 45*(chan>>1); y = l_start[i] + k / 6 + 45 * (chan >> 1);
tbl[m] = (x<<1)|(y<<9); tbl[m] = (x << 1) | (y << 9);
break; break;
case 720: case 720:
switch (d->pix_fmt) { switch (d->pix_fmt) {
case AV_PIX_FMT_YUV422P: case AV_PIX_FMT_YUV422P:
x = shuf3[m] + slot/3; x = shuf3[m] + slot / 3;
y = serpent1[slot] + y = serpent1[slot] +
((((seq + off[m]) % d->difseg_size)<<1) + chan)*3; ((((seq + off[m]) % d->difseg_size) << 1) + chan) * 3;
tbl[m] = (x<<1)|(y<<8); tbl[m] = (x << 1) | (y << 8);
break; break;
case AV_PIX_FMT_YUV420P: case AV_PIX_FMT_YUV420P:
x = shuf3[m] + slot/3; x = shuf3[m] + slot / 3;
y = serpent1[slot] + y = serpent1[slot] +
((seq + off[m]) % d->difseg_size)*3; ((seq + off[m]) % d->difseg_size) * 3;
tbl[m] = (x<<1)|(y<<9); tbl[m] = (x << 1) | (y << 9);
break; break;
case AV_PIX_FMT_YUV411P: case AV_PIX_FMT_YUV411P:
i = (seq + off[m]) % d->difseg_size; i = (seq + off[m]) % d->difseg_size;
k = slot + ((m==1||m==2)?3:0); k = slot + ((m == 1 || m == 2) ? 3 : 0);
x = l_start_shuffled[m] + k/6; x = l_start_shuffled[m] + k / 6;
y = serpent2[k] + i*6; y = serpent2[k] + i * 6;
if (x>21) if (x > 21)
y = y*2 - i*6; y = y * 2 - i * 6;
tbl[m] = (x<<2)|(y<<8); tbl[m] = (x << 2) | (y << 8);
break; break;
} }
default: default:
break; break;
} }
} }
} }
@ -173,11 +180,11 @@ static const uint8_t dv100_qstep[16] = {
2, 3, 4, 5, 6, 7, 8, 16, 18, 20, 22, 24, 28, 52 2, 3, 4, 5, 6, 7, 8, 16, 18, 20, 22, 24, 28, 52
}; };
static const uint8_t dv_quant_areas[4] = { 6, 21, 43, 64 }; static const uint8_t dv_quant_areas[4] = { 6, 21, 43, 64 };
int ff_dv_init_dynamic_tables(DVVideoContext *ctx, const AVDVProfile *d) int ff_dv_init_dynamic_tables(DVVideoContext *ctx, const AVDVProfile *d)
{ {
int j,i,c,s,p; int j, i, c, s, p;
uint32_t *factor1, *factor2; uint32_t *factor1, *factor2;
const int *iweight1, *iweight2; const int *iweight1, *iweight2;
@ -189,8 +196,8 @@ int ff_dv_init_dynamic_tables(DVVideoContext *ctx, const AVDVProfile *d)
p += !(j % 3); p += !(j % 3);
if (!(DV_PROFILE_IS_1080i50(d) && c != 0 && s == 11) && if (!(DV_PROFILE_IS_1080i50(d) && c != 0 && s == 11) &&
!(DV_PROFILE_IS_720p50(d) && s > 9)) { !(DV_PROFILE_IS_720p50(d) && s > 9)) {
dv_calc_mb_coordinates(d, c, s, j, &ctx->work_chunks[i].mb_coordinates[0]); dv_calc_mb_coordinates(d, c, s, j, &ctx->work_chunks[i].mb_coordinates[0]);
ctx->work_chunks[i++].buf_offset = p; ctx->work_chunks[i++].buf_offset = p;
} }
p += 5; p += 5;
} }
@ -240,10 +247,10 @@ av_cold int ff_dvvideo_init(AVCodecContext *avctx)
if (!done) { if (!done) {
VLC dv_vlc; VLC dv_vlc;
uint16_t new_dv_vlc_bits[NB_DV_VLC*2]; uint16_t new_dv_vlc_bits[NB_DV_VLC * 2];
uint8_t new_dv_vlc_len[NB_DV_VLC*2]; uint8_t new_dv_vlc_len[NB_DV_VLC * 2];
uint8_t new_dv_vlc_run[NB_DV_VLC*2]; uint8_t new_dv_vlc_run[NB_DV_VLC * 2];
int16_t new_dv_vlc_level[NB_DV_VLC*2]; int16_t new_dv_vlc_level[NB_DV_VLC * 2];
done = 1; done = 1;
@ -267,21 +274,21 @@ av_cold int ff_dvvideo_init(AVCodecContext *avctx)
} }
/* NOTE: as a trick, we use the fact the no codes are unused /* NOTE: as a trick, we use the fact the no codes are unused
to accelerate the parsing of partial codes */ * to accelerate the parsing of partial codes */
init_vlc(&dv_vlc, TEX_VLC_BITS, j, init_vlc(&dv_vlc, TEX_VLC_BITS, j, new_dv_vlc_len,
new_dv_vlc_len, 1, 1, new_dv_vlc_bits, 2, 2, 0); 1, 1, new_dv_vlc_bits, 2, 2, 0);
assert(dv_vlc.table_size == 1184); assert(dv_vlc.table_size == 1184);
for (i = 0; i < dv_vlc.table_size; i++){ for (i = 0; i < dv_vlc.table_size; i++) {
int code = dv_vlc.table[i][0]; int code = dv_vlc.table[i][0];
int len = dv_vlc.table[i][1]; int len = dv_vlc.table[i][1];
int level, run; int level, run;
if (len < 0){ //more bits needed if (len < 0) { // more bits needed
run = 0; run = 0;
level = code; level = code;
} else { } else {
run = new_dv_vlc_run [code] + 1; run = new_dv_vlc_run[code] + 1;
level = new_dv_vlc_level[code]; level = new_dv_vlc_level[code];
} }
ff_dv_rl_vlc[i].len = len; ff_dv_rl_vlc[i].len = len;

71
libavcodec/dv.h
View File

@ -28,13 +28,13 @@
#define AVCODEC_DV_H #define AVCODEC_DV_H
#include "avcodec.h" #include "avcodec.h"
#include "me_cmp.h"
#include "get_bits.h"
#include "dv_profile.h" #include "dv_profile.h"
#include "get_bits.h"
#include "me_cmp.h"
typedef struct DVwork_chunk { typedef struct DVwork_chunk {
uint16_t buf_offset; uint16_t buf_offset;
uint16_t mb_coordinates[5]; uint16_t mb_coordinates[5];
} DVwork_chunk; } DVwork_chunk;
typedef struct DVVideoContext { typedef struct DVVideoContext {
@ -43,7 +43,7 @@ typedef struct DVVideoContext {
AVCodecContext *avctx; AVCodecContext *avctx;
uint8_t *buf; uint8_t *buf;
uint8_t dv_zigzag[2][64]; uint8_t dv_zigzag[2][64];
void (*get_pixels)(int16_t *block, const uint8_t *pixels, int line_size); void (*get_pixels)(int16_t *block, const uint8_t *pixels, int line_size);
void (*fdct[2])(int16_t *block); void (*fdct[2])(int16_t *block);
@ -54,26 +54,26 @@ typedef struct DVVideoContext {
} DVVideoContext; } DVVideoContext;
enum dv_section_type { enum dv_section_type {
dv_sect_header = 0x1f, dv_sect_header = 0x1f,
dv_sect_subcode = 0x3f, dv_sect_subcode = 0x3f,
dv_sect_vaux = 0x56, dv_sect_vaux = 0x56,
dv_sect_audio = 0x76, dv_sect_audio = 0x76,
dv_sect_video = 0x96, dv_sect_video = 0x96,
}; };
enum dv_pack_type { enum dv_pack_type {
dv_header525 = 0x3f, /* see dv_write_pack for important details on */ dv_header525 = 0x3f, /* see dv_write_pack for important details on */
dv_header625 = 0xbf, /* these two packs */ dv_header625 = 0xbf, /* these two packs */
dv_timecode = 0x13, dv_timecode = 0x13,
dv_audio_source = 0x50, dv_audio_source = 0x50,
dv_audio_control = 0x51, dv_audio_control = 0x51,
dv_audio_recdate = 0x52, dv_audio_recdate = 0x52,
dv_audio_rectime = 0x53, dv_audio_rectime = 0x53,
dv_video_source = 0x60, dv_video_source = 0x60,
dv_video_control = 0x61, dv_video_control = 0x61,
dv_video_recdate = 0x62, dv_video_recdate = 0x62,
dv_video_rectime = 0x63, dv_video_rectime = 0x63,
dv_unknown_pack = 0xff, dv_unknown_pack = 0xff,
}; };
#define DV_PROFILE_IS_HD(p) ((p)->video_stype & 0x10) #define DV_PROFILE_IS_HD(p) ((p)->video_stype & 0x10)
@ -81,8 +81,8 @@ enum dv_pack_type {
#define DV_PROFILE_IS_720p50(p) (((p)->video_stype == 0x18) && ((p)->dsf == 1)) #define DV_PROFILE_IS_720p50(p) (((p)->video_stype == 0x18) && ((p)->dsf == 1))
/* minimum number of bytes to read from a DV stream in order to /* minimum number of bytes to read from a DV stream in order to
determine the profile */ * determine the profile */
#define DV_PROFILE_BYTES (6*80) /* 6 DIF blocks */ #define DV_PROFILE_BYTES (6 * 80) /* 6 DIF blocks */
/** /**
* largest possible DV frame, in bytes (1080i50) * largest possible DV frame, in bytes (1080i50)
@ -103,23 +103,26 @@ int ff_dvvideo_init(AVCodecContext *avctx);
static inline int dv_work_pool_size(const AVDVProfile *d) static inline int dv_work_pool_size(const AVDVProfile *d)
{ {
int size = d->n_difchan*d->difseg_size*27; int size = d->n_difchan * d->difseg_size * 27;
if (DV_PROFILE_IS_1080i50(d)) if (DV_PROFILE_IS_1080i50(d))
size -= 3*27; size -= 3 * 27;
if (DV_PROFILE_IS_720p50(d)) if (DV_PROFILE_IS_720p50(d))
size -= 4*27; size -= 4 * 27;
return size; return size;
} }
static inline void dv_calculate_mb_xy(DVVideoContext *s, DVwork_chunk *work_chunk, int m, int *mb_x, int *mb_y) static inline void dv_calculate_mb_xy(DVVideoContext *s,
DVwork_chunk *work_chunk,
int m, int *mb_x, int *mb_y)
{ {
*mb_x = work_chunk->mb_coordinates[m] & 0xff; *mb_x = work_chunk->mb_coordinates[m] & 0xff;
*mb_y = work_chunk->mb_coordinates[m] >> 8; *mb_y = work_chunk->mb_coordinates[m] >> 8;
/* We work with 720p frames split in half. The odd half-frame (chan==2,3) is displaced :-( */ /* We work with 720p frames split in half.
if (s->sys->height == 720 && !(s->buf[1]&0x0C)) { * The odd half-frame (chan == 2,3) is displaced :-( */
*mb_y -= (*mb_y>17)?18:-72; /* shifting the Y coordinate down by 72/2 macro blocks */ if (s->sys->height == 720 && !(s->buf[1] & 0x0C))
} /* shifting the Y coordinate down by 72/2 macro blocks */
*mb_y -= (*mb_y > 17) ? 18 : -72;
} }
#endif /* AVCODEC_DV_H */ #endif /* AVCODEC_DV_H */

389
libavcodec/dv_profile.c
View File

@ -16,13 +16,14 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <stdint.h>
#include "config.h" #include "config.h"
#include <stdint.h>
#include "libavutil/common.h" #include "libavutil/common.h"
#include "libavutil/log.h" #include "libavutil/log.h"
#include "libavutil/pixdesc.h" #include "libavutil/pixdesc.h"
#include "avcodec.h" #include "avcodec.h"
#include "dv_profile.h" #include "dv_profile.h"
#include "dv_profile_internal.h" #include "dv_profile_internal.h"
@ -30,33 +31,33 @@
#if CONFIG_DVPROFILE #if CONFIG_DVPROFILE
static const uint8_t dv_audio_shuffle525[10][9] = { static const uint8_t dv_audio_shuffle525[10][9] = {
{ 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */ { 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
{ 6, 36, 66, 26, 56, 86, 16, 46, 76 }, { 6, 36, 66, 26, 56, 86, 16, 46, 76 },
{ 12, 42, 72, 2, 32, 62, 22, 52, 82 }, { 12, 42, 72, 2, 32, 62, 22, 52, 82 },
{ 18, 48, 78, 8, 38, 68, 28, 58, 88 }, { 18, 48, 78, 8, 38, 68, 28, 58, 88 },
{ 24, 54, 84, 14, 44, 74, 4, 34, 64 }, { 24, 54, 84, 14, 44, 74, 4, 34, 64 },
{ 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */ { 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */
{ 7, 37, 67, 27, 57, 87, 17, 47, 77 }, { 7, 37, 67, 27, 57, 87, 17, 47, 77 },
{ 13, 43, 73, 3, 33, 63, 23, 53, 83 }, { 13, 43, 73, 3, 33, 63, 23, 53, 83 },
{ 19, 49, 79, 9, 39, 69, 29, 59, 89 }, { 19, 49, 79, 9, 39, 69, 29, 59, 89 },
{ 25, 55, 85, 15, 45, 75, 5, 35, 65 }, { 25, 55, 85, 15, 45, 75, 5, 35, 65 },
}; };
static const uint8_t dv_audio_shuffle625[12][9] = { static const uint8_t dv_audio_shuffle625[12][9] = {
{ 0, 36, 72, 26, 62, 98, 16, 52, 88}, /* 1st channel */ { 0, 36, 72, 26, 62, 98, 16, 52, 88 }, /* 1st channel */
{ 6, 42, 78, 32, 68, 104, 22, 58, 94}, { 6, 42, 78, 32, 68, 104, 22, 58, 94 },
{ 12, 48, 84, 2, 38, 74, 28, 64, 100}, { 12, 48, 84, 2, 38, 74, 28, 64, 100 },
{ 18, 54, 90, 8, 44, 80, 34, 70, 106}, { 18, 54, 90, 8, 44, 80, 34, 70, 106 },
{ 24, 60, 96, 14, 50, 86, 4, 40, 76}, { 24, 60, 96, 14, 50, 86, 4, 40, 76 },
{ 30, 66, 102, 20, 56, 92, 10, 46, 82}, { 30, 66, 102, 20, 56, 92, 10, 46, 82 },
{ 1, 37, 73, 27, 63, 99, 17, 53, 89}, /* 2nd channel */ { 1, 37, 73, 27, 63, 99, 17, 53, 89 }, /* 2nd channel */
{ 7, 43, 79, 33, 69, 105, 23, 59, 95}, { 7, 43, 79, 33, 69, 105, 23, 59, 95 },
{ 13, 49, 85, 3, 39, 75, 29, 65, 101}, { 13, 49, 85, 3, 39, 75, 29, 65, 101 },
{ 19, 55, 91, 9, 45, 81, 35, 71, 107}, { 19, 55, 91, 9, 45, 81, 35, 71, 107 },
{ 25, 61, 97, 15, 51, 87, 5, 41, 77}, { 25, 61, 97, 15, 51, 87, 5, 41, 77 },
{ 31, 67, 103, 21, 57, 93, 11, 47, 83}, { 31, 67, 103, 21, 57, 93, 11, 47, 83 },
}; };
/* macroblock bit budgets */ /* macroblock bit budgets */
@ -69,186 +70,176 @@ static const uint8_t block_sizes_dv100[8] = {
}; };
static const AVDVProfile dv_profiles[] = { static const AVDVProfile dv_profiles[] = {
{ .dsf = 0, { .dsf = 0,
.video_stype = 0x0, .video_stype = 0x0,
.frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */ .frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */
.difseg_size = 10, .difseg_size = 10,
.n_difchan = 1, .n_difchan = 1,
.time_base = { 1001, 30000 }, .time_base = { 1001, 30000 },
.ltc_divisor = 30, .ltc_divisor = 30,
.height = 480, .height = 480,
.width = 720, .width = 720,
.sar = {{8, 9}, {32, 27}}, .sar = { { 8, 9 }, { 32, 27 } },
.pix_fmt = AV_PIX_FMT_YUV411P, .pix_fmt = AV_PIX_FMT_YUV411P,
.bpm = 6, .bpm = 6,
.block_sizes = block_sizes_dv2550, .block_sizes = block_sizes_dv2550,
.audio_stride = 90, .audio_stride = 90,
.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
.audio_shuffle = dv_audio_shuffle525, .audio_shuffle = dv_audio_shuffle525, },
}, { .dsf = 1,
{ .dsf = 1, .video_stype = 0x0,
.video_stype = 0x0, .frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */
.frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */ .difseg_size = 12,
.difseg_size = 12, .n_difchan = 1,
.n_difchan = 1, .time_base = { 1, 25 },
.time_base = { 1, 25 }, .ltc_divisor = 25,
.ltc_divisor = 25, .height = 576,
.height = 576, .width = 720,
.width = 720, .sar = { { 16, 15 }, { 64, 45 } },
.sar = {{16, 15}, {64, 45}}, .pix_fmt = AV_PIX_FMT_YUV420P,
.pix_fmt = AV_PIX_FMT_YUV420P, .bpm = 6,
.bpm = 6, .block_sizes = block_sizes_dv2550,
.block_sizes = block_sizes_dv2550, .audio_stride = 108,
.audio_stride = 108,
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
.audio_shuffle = dv_audio_shuffle625, .audio_shuffle = dv_audio_shuffle625, },
}, { .dsf = 1,
{ .dsf = 1, .video_stype = 0x0,
.video_stype = 0x0, .frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */
.frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */ .difseg_size = 12,
.difseg_size = 12, .n_difchan = 1,
.n_difchan = 1, .time_base = { 1, 25 },
.time_base = { 1, 25 }, .ltc_divisor = 25,
.ltc_divisor = 25, .height = 576,
.height = 576, .width = 720,
.width = 720, .sar = { { 16, 15 }, { 64, 45 } },
.sar = {{16, 15}, {64, 45}}, .pix_fmt = AV_PIX_FMT_YUV411P,
.pix_fmt = AV_PIX_FMT_YUV411P, .bpm = 6,
.bpm = 6, .block_sizes = block_sizes_dv2550,
.block_sizes = block_sizes_dv2550, .audio_stride = 108,
.audio_stride = 108,
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
.audio_shuffle = dv_audio_shuffle625, .audio_shuffle = dv_audio_shuffle625, },
}, { .dsf = 0,
{ .dsf = 0, .video_stype = 0x4,
.video_stype = 0x4, .frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */
.frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */ .difseg_size = 10, /* also known as "DVCPRO50" */
.difseg_size = 10, /* also known as "DVCPRO50" */ .n_difchan = 2,
.n_difchan = 2, .time_base = { 1001, 30000 },
.time_base = { 1001, 30000 }, .ltc_divisor = 30,
.ltc_divisor = 30, .height = 480,
.height = 480, .width = 720,
.width = 720, .sar = { { 8, 9 }, { 32, 27 } },
.sar = {{8, 9}, {32, 27}}, .pix_fmt = AV_PIX_FMT_YUV422P,
.pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 6,
.bpm = 6, .block_sizes = block_sizes_dv2550,
.block_sizes = block_sizes_dv2550, .audio_stride = 90,
.audio_stride = 90,
.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
.audio_shuffle = dv_audio_shuffle525, .audio_shuffle = dv_audio_shuffle525, },
}, { .dsf = 1,
{ .dsf = 1, .video_stype = 0x4,
.video_stype = 0x4, .frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */
.frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */ .difseg_size = 12, /* also known as "DVCPRO50" */
.difseg_size = 12, /* also known as "DVCPRO50" */ .n_difchan = 2,
.n_difchan = 2, .time_base = { 1, 25 },
.time_base = { 1, 25 }, .ltc_divisor = 25,
.ltc_divisor = 25, .height = 576,
.height = 576, .width = 720,
.width = 720, .sar = { { 16, 15 }, { 64, 45 } },
.sar = {{16, 15}, {64, 45}}, .pix_fmt = AV_PIX_FMT_YUV422P,
.pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 6,
.bpm = 6, .block_sizes = block_sizes_dv2550,
.block_sizes = block_sizes_dv2550, .audio_stride = 108,
.audio_stride = 108,
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
.audio_shuffle = dv_audio_shuffle625, .audio_shuffle = dv_audio_shuffle625, },
}, { .dsf = 0,
{ .dsf = 0, .video_stype = 0x14,
.video_stype = 0x14, .frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */
.frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */ .difseg_size = 10, /* also known as "DVCPRO HD" */
.difseg_size = 10, /* also known as "DVCPRO HD" */ .n_difchan = 4,
.n_difchan = 4, .time_base = { 1001, 30000 },
.time_base = { 1001, 30000 }, .ltc_divisor = 30,
.ltc_divisor = 30, .height = 1080,
.height = 1080, .width = 1280,
.width = 1280, .sar = { { 1, 1 }, { 3, 2 } },
.sar = {{1, 1}, {3, 2}}, .pix_fmt = AV_PIX_FMT_YUV422P,
.pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 8,
.bpm = 8, .block_sizes = block_sizes_dv100,
.block_sizes = block_sizes_dv100, .audio_stride = 90,
.audio_stride = 90,
.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
.audio_shuffle = dv_audio_shuffle525, .audio_shuffle = dv_audio_shuffle525, },
}, { .dsf = 1,
{ .dsf = 1, .video_stype = 0x14,
.video_stype = 0x14, .frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */
.frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */ .difseg_size = 12, /* also known as "DVCPRO HD" */
.difseg_size = 12, /* also known as "DVCPRO HD" */ .n_difchan = 4,
.n_difchan = 4, .time_base = { 1, 25 },
.time_base = { 1, 25 }, .ltc_divisor = 25,
.ltc_divisor = 25, .height = 1080,
.height = 1080, .width = 1440,
.width = 1440, .sar = { { 1, 1 }, { 4, 3 } },
.sar = {{1, 1}, {4, 3}}, .pix_fmt = AV_PIX_FMT_YUV422P,
.pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 8,
.bpm = 8, .block_sizes = block_sizes_dv100,
.block_sizes = block_sizes_dv100, .audio_stride = 108,
.audio_stride = 108,
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
.audio_shuffle = dv_audio_shuffle625, .audio_shuffle = dv_audio_shuffle625, },
}, { .dsf = 0,
{ .dsf = 0, .video_stype = 0x18,
.video_stype = 0x18, .frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */
.frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */ .difseg_size = 10, /* also known as "DVCPRO HD" */
.difseg_size = 10, /* also known as "DVCPRO HD" */ .n_difchan = 2,
.n_difchan = 2, .time_base = { 1001, 60000 },
.time_base = { 1001, 60000 }, .ltc_divisor = 60,
.ltc_divisor = 60, .height = 720,
.height = 720, .width = 960,
.width = 960, .sar = { { 1, 1 }, { 4, 3 } },
.sar = {{1, 1}, {4, 3}}, .pix_fmt = AV_PIX_FMT_YUV422P,
.pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 8,
.bpm = 8, .block_sizes = block_sizes_dv100,
.block_sizes = block_sizes_dv100, .audio_stride = 90,
.audio_stride = 90,
.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
.audio_shuffle = dv_audio_shuffle525, .audio_shuffle = dv_audio_shuffle525, },
}, { .dsf = 1,
{ .dsf = 1, .video_stype = 0x18,
.video_stype = 0x18, .frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */
.frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */ .difseg_size = 12, /* also known as "DVCPRO HD" */
.difseg_size = 12, /* also known as "DVCPRO HD" */ .n_difchan = 2,
.n_difchan = 2, .time_base = { 1, 50 },
.time_base = { 1, 50 }, .ltc_divisor = 50,
.ltc_divisor = 50, .height = 720,
.height = 720, .width = 960,
.width = 960, .sar = { { 1, 1 }, { 4, 3 } },
.sar = {{1, 1}, {4, 3}}, .pix_fmt = AV_PIX_FMT_YUV422P,
.pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 8,
.bpm = 8, .block_sizes = block_sizes_dv100,
.block_sizes = block_sizes_dv100, .audio_stride = 90,
.audio_stride = 90,
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
.audio_shuffle = dv_audio_shuffle625, .audio_shuffle = dv_audio_shuffle625, },
}, { .dsf = 1,
{ .dsf = 1, .video_stype = 0x1,
.video_stype = 0x1, .frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */
.frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */ .difseg_size = 12,
.difseg_size = 12, .n_difchan = 1,
.n_difchan = 1, .time_base = { 1, 25 },
.time_base = { 1, 25 }, .ltc_divisor = 25,
.ltc_divisor = 25, .height = 576,
.height = 576, .width = 720,
.width = 720, .sar = { { 16, 15 }, { 64, 45 } },
.sar = {{16, 15}, {64, 45}}, .pix_fmt = AV_PIX_FMT_YUV420P,
.pix_fmt = AV_PIX_FMT_YUV420P, .bpm = 6,
.bpm = 6, .block_sizes = block_sizes_dv2550,
.block_sizes = block_sizes_dv2550, .audio_stride = 108,
.audio_stride = 108,
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
.audio_shuffle = dv_audio_shuffle625, .audio_shuffle = dv_audio_shuffle625, }
}
}; };
void ff_dv_print_profiles(void *logctx, int loglevel) void ff_dv_print_profiles(void *logctx, int loglevel)
@ -256,8 +247,9 @@ void ff_dv_print_profiles(void *logctx, int loglevel)
int i; int i;
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) { for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
const AVDVProfile *p = &dv_profiles[i]; const AVDVProfile *p = &dv_profiles[i];
av_log(logctx, loglevel, "Frame size: %dx%d; pixel format: %s, " av_log(logctx, loglevel,
"framerate: %d/%d\n", p->width, p->height, av_get_pix_fmt_name(p->pix_fmt), "Frame size: %dx%d; pixel format: %s, framerate: %d/%d\n",
p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
p->time_base.den, p->time_base.num); p->time_base.den, p->time_base.num);
} }
} }
@ -265,7 +257,7 @@ void ff_dv_print_profiles(void *logctx, int loglevel)
#endif /* CONFIG_DVPROFILE */ #endif /* CONFIG_DVPROFILE */
const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys, const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
const uint8_t* frame, unsigned buf_size) const uint8_t *frame, unsigned buf_size)
{ {
#if CONFIG_DVPROFILE #if CONFIG_DVPROFILE
int i, dsf, stype; int i, dsf, stype;
@ -273,13 +265,12 @@ const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
if (buf_size < 80 * 5 + 48 + 4) if (buf_size < 80 * 5 + 48 + 4)
return NULL; return NULL;
dsf = (frame[3] & 0x80) >> 7; dsf = (frame[3] & 0x80) >> 7;
stype = frame[80 * 5 + 48 + 3] & 0x1f; stype = frame[80 * 5 + 48 + 3] & 0x1f;
/* 576i50 25Mbps 4:1:1 is a special case */ /* 576i50 25Mbps 4:1:1 is a special case */
if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) { if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */)
return &dv_profiles[2]; return &dv_profiles[2];
}
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype) if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
@ -299,11 +290,11 @@ const AVDVProfile *av_dv_codec_profile(int width, int height,
#if CONFIG_DVPROFILE #if CONFIG_DVPROFILE
int i; int i;
for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++) for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
if (height == dv_profiles[i].height && if (height == dv_profiles[i].height &&
pix_fmt == dv_profiles[i].pix_fmt && pix_fmt == dv_profiles[i].pix_fmt &&
width == dv_profiles[i].width) width == dv_profiles[i].width)
return &dv_profiles[i]; return &dv_profiles[i];
#endif #endif
return NULL; return NULL;

70
libavcodec/dv_tablegen.h
View File

@ -28,17 +28,17 @@
#include "dvdata.h" #include "dvdata.h"
#if CONFIG_SMALL #if CONFIG_SMALL
#define DV_VLC_MAP_RUN_SIZE 15 #define DV_VLC_MAP_RUN_SIZE 15
#define DV_VLC_MAP_LEV_SIZE 23 #define DV_VLC_MAP_LEV_SIZE 23
#else #else
#define DV_VLC_MAP_RUN_SIZE 64 #define DV_VLC_MAP_RUN_SIZE 64
#define DV_VLC_MAP_LEV_SIZE 512 //FIXME sign was removed so this should be /2 but needs check #define DV_VLC_MAP_LEV_SIZE 512 // FIXME sign was removed so this should be /2 but needs check
#endif #endif
/* VLC encoding lookup table */ /* VLC encoding lookup table */
typedef struct dv_vlc_pair { typedef struct dv_vlc_pair {
uint32_t vlc; uint32_t vlc;
uint32_t size; uint32_t size;
} dv_vlc_pair; } dv_vlc_pair;
#if CONFIG_HARDCODED_TABLES #if CONFIG_HARDCODED_TABLES
@ -51,44 +51,44 @@ static void dv_vlc_map_tableinit(void)
{ {
int i, j; int i, j;
for (i = 0; i < NB_DV_VLC - 1; i++) { for (i = 0; i < NB_DV_VLC - 1; i++) {
if (ff_dv_vlc_run[i] >= DV_VLC_MAP_RUN_SIZE) if (ff_dv_vlc_run[i] >= DV_VLC_MAP_RUN_SIZE)
continue; continue;
#if CONFIG_SMALL #if CONFIG_SMALL
if (ff_dv_vlc_level[i] >= DV_VLC_MAP_LEV_SIZE) if (ff_dv_vlc_level[i] >= DV_VLC_MAP_LEV_SIZE)
continue; continue;
#endif #endif
if (dv_vlc_map[ff_dv_vlc_run[i]][ff_dv_vlc_level[i]].size != 0) if (dv_vlc_map[ff_dv_vlc_run[i]][ff_dv_vlc_level[i]].size != 0)
continue; continue;
dv_vlc_map[ff_dv_vlc_run[i]][ff_dv_vlc_level[i]].vlc = dv_vlc_map[ff_dv_vlc_run[i]][ff_dv_vlc_level[i]].vlc =
ff_dv_vlc_bits[i] << (!!ff_dv_vlc_level[i]); ff_dv_vlc_bits[i] << (!!ff_dv_vlc_level[i]);
dv_vlc_map[ff_dv_vlc_run[i]][ff_dv_vlc_level[i]].size = dv_vlc_map[ff_dv_vlc_run[i]][ff_dv_vlc_level[i]].size =
ff_dv_vlc_len[i] + (!!ff_dv_vlc_level[i]); ff_dv_vlc_len[i] + (!!ff_dv_vlc_level[i]);
} }
for (i = 0; i < DV_VLC_MAP_RUN_SIZE; i++) { for (i = 0; i < DV_VLC_MAP_RUN_SIZE; i++) {
#if CONFIG_SMALL #if CONFIG_SMALL
for (j = 1; j < DV_VLC_MAP_LEV_SIZE; j++) { for (j = 1; j < DV_VLC_MAP_LEV_SIZE; j++) {
if (dv_vlc_map[i][j].size == 0) { if (dv_vlc_map[i][j].size == 0) {
dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc | dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc |
(dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size)); (dv_vlc_map[i - 1][0].vlc <<
dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size + dv_vlc_map[0][j].size);
dv_vlc_map[0][j].size; dv_vlc_map[i][j].size = dv_vlc_map[i - 1][0].size +
} dv_vlc_map[0][j].size;
} }
}
#else #else
for (j = 1; j < DV_VLC_MAP_LEV_SIZE/2; j++) { for (j = 1; j < DV_VLC_MAP_LEV_SIZE / 2; j++) {
if (dv_vlc_map[i][j].size == 0) { if (dv_vlc_map[i][j].size == 0) {
dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc | dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc |
(dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size)); (dv_vlc_map[i - 1][0].vlc <<
dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size + dv_vlc_map[0][j].size);
dv_vlc_map[0][j].size; dv_vlc_map[i][j].size = dv_vlc_map[i - 1][0].size +
} dv_vlc_map[0][j].size;
dv_vlc_map[i][((uint16_t)(-j))&0x1ff].vlc = }
dv_vlc_map[i][j].vlc | 1; dv_vlc_map[i][((uint16_t) (-j)) & 0x1ff].vlc = dv_vlc_map[i][j].vlc | 1;
dv_vlc_map[i][((uint16_t)(-j))&0x1ff].size = dv_vlc_map[i][((uint16_t) (-j)) & 0x1ff].size = dv_vlc_map[i][j].size;
dv_vlc_map[i][j].size; }
}
#endif #endif
} }
} }

494
libavcodec/dvdata.c
View File

@ -43,51 +43,51 @@ const uint8_t ff_dv_zigzag248_direct[64] = {
/* unquant tables (not used directly) */ /* unquant tables (not used directly) */
const uint8_t ff_dv_quant_shifts[22][4] = { const uint8_t ff_dv_quant_shifts[22][4] = {
{ 3,3,4,4 }, { 3, 3, 4, 4 },
{ 3,3,4,4 }, { 3, 3, 4, 4 },
{ 2,3,3,4 }, { 2, 3, 3, 4 },
{ 2,3,3,4 }, { 2, 3, 3, 4 },
{ 2,2,3,3 }, { 2, 2, 3, 3 },
{ 2,2,3,3 }, { 2, 2, 3, 3 },
{ 1,2,2,3 }, { 1, 2, 2, 3 },
{ 1,2,2,3 }, { 1, 2, 2, 3 },
{ 1,1,2,2 }, { 1, 1, 2, 2 },
{ 1,1,2,2 }, { 1, 1, 2, 2 },
{ 0,1,1,2 }, { 0, 1, 1, 2 },
{ 0,1,1,2 }, { 0, 1, 1, 2 },
{ 0,0,1,1 }, { 0, 0, 1, 1 },
{ 0,0,1,1 }, { 0, 0, 1, 1 },
{ 0,0,0,1 }, { 0, 0, 0, 1 },
{ 0,0,0,0 }, { 0, 0, 0, 0 },
{ 0,0,0,0 }, { 0, 0, 0, 0 },
{ 0,0,0,0 }, { 0, 0, 0, 0 },
{ 0,0,0,0 }, { 0, 0, 0, 0 },
{ 0,0,0,0 }, { 0, 0, 0, 0 },
{ 0,0,0,0 }, { 0, 0, 0, 0 },
{ 0,0,0,0 }, { 0, 0, 0, 0 },
}; };
const uint8_t ff_dv_quant_offset[4] = { 6, 3, 0, 1 }; const uint8_t ff_dv_quant_offset[4] = { 6, 3, 0, 1 };
const int ff_dv_iweight_88[64] = { const int ff_dv_iweight_88[64] = {
32768, 16710, 16710, 17735, 17015, 17735, 18197, 18079, 32768, 16710, 16710, 17735, 17015, 17735, 18197, 18079,
18079, 18197, 18725, 18559, 19196, 18559, 18725, 19284, 18079, 18197, 18725, 18559, 19196, 18559, 18725, 19284,
19108, 19692, 19692, 19108, 19284, 21400, 19645, 20262, 19108, 19692, 19692, 19108, 19284, 21400, 19645, 20262,
20214, 20262, 19645, 21400, 22733, 21845, 20867, 20815, 20214, 20262, 19645, 21400, 22733, 21845, 20867, 20815,
20815, 20867, 21845, 22733, 23173, 23173, 21400, 21400, 20815, 20867, 21845, 22733, 23173, 23173, 21400, 21400,
21400, 23173, 23173, 24600, 23764, 22017, 22017, 23764, 21400, 23173, 23173, 24600, 23764, 22017, 22017, 23764,
24600, 25267, 24457, 22672, 24457, 25267, 25971, 25191, 24600, 25267, 24457, 22672, 24457, 25267, 25971, 25191,
25191, 25971, 26715, 27962, 26715, 29642, 29642, 31536, 25191, 25971, 26715, 27962, 26715, 29642, 29642, 31536,
}; };
const int ff_dv_iweight_248[64] = { const int ff_dv_iweight_248[64] = {
32768, 17735, 16710, 18079, 18725, 21400, 17735, 19196, 32768, 17735, 16710, 18079, 18725, 21400, 17735, 19196,
19108, 21845, 16384, 17735, 18725, 21400, 16710, 18079, 19108, 21845, 16384, 17735, 18725, 21400, 16710, 18079,
20262, 23173, 18197, 19692, 18725, 20262, 20815, 23764, 20262, 23173, 18197, 19692, 18725, 20262, 20815, 23764,
17735, 19196, 19108, 21845, 20262, 23173, 18197, 19692, 17735, 19196, 19108, 21845, 20262, 23173, 18197, 19692,
21400, 24457, 19284, 20867, 21400, 23173, 22017, 25191, 21400, 24457, 19284, 20867, 21400, 23173, 22017, 25191,
18725, 20262, 20815, 23764, 21400, 24457, 19284, 20867, 18725, 20262, 20815, 23764, 21400, 24457, 19284, 20867,
24457, 27962, 22733, 24600, 25971, 29642, 21400, 23173, 24457, 27962, 22733, 24600, 25971, 29642, 21400, 23173,
22017, 25191, 24457, 27962, 22733, 24600, 25971, 29642, 22017, 25191, 24457, 27962, 22733, 24600, 25971, 29642,
}; };
/** /**
@ -140,221 +140,221 @@ const int ff_dv_iweight_720_c[64] = {
* when building misc. tables. E.g. (1, 0) can be either 0x7cf or 0x1f82. * when building misc. tables. E.g. (1, 0) can be either 0x7cf or 0x1f82.
*/ */
const uint16_t ff_dv_vlc_bits[NB_DV_VLC] = { const uint16_t ff_dv_vlc_bits[NB_DV_VLC] = {
0x0000, 0x0002, 0x0007, 0x0008, 0x0009, 0x0014, 0x0015, 0x0016, 0x0000, 0x0002, 0x0007, 0x0008, 0x0009, 0x0014, 0x0015, 0x0016,
0x0017, 0x0030, 0x0031, 0x0032, 0x0033, 0x0068, 0x0069, 0x006a, 0x0017, 0x0030, 0x0031, 0x0032, 0x0033, 0x0068, 0x0069, 0x006a,
0x006b, 0x006c, 0x006d, 0x006e, 0x006f, 0x00e0, 0x00e1, 0x00e2, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f, 0x00e0, 0x00e1, 0x00e2,
0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7, 0x00e8, 0x00e9, 0x00ea,
0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef, 0x01e0, 0x01e1, 0x01e2, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef, 0x01e0, 0x01e1, 0x01e2,
0x01e3, 0x01e4, 0x01e5, 0x01e6, 0x01e7, 0x01e8, 0x01e9, 0x01ea, 0x01e3, 0x01e4, 0x01e5, 0x01e6, 0x01e7, 0x01e8, 0x01e9, 0x01ea,
0x01eb, 0x01ec, 0x01ed, 0x01ee, 0x01ef, 0x03e0, 0x03e1, 0x03e2, 0x01eb, 0x01ec, 0x01ed, 0x01ee, 0x01ef, 0x03e0, 0x03e1, 0x03e2,
0x03e3, 0x03e4, 0x03e5, 0x03e6, 0x07ce, 0x07cf, 0x07d0, 0x07d1, 0x03e3, 0x03e4, 0x03e5, 0x03e6, 0x07ce, 0x07cf, 0x07d0, 0x07d1,
0x07d2, 0x07d3, 0x07d4, 0x07d5, 0x0fac, 0x0fad, 0x0fae, 0x0faf, 0x07d2, 0x07d3, 0x07d4, 0x07d5, 0x0fac, 0x0fad, 0x0fae, 0x0faf,
0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7, 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7,
0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf, 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf,
0x1f80, 0x1f81, 0x1f82, 0x1f83, 0x1f84, 0x1f85, 0x1f86, 0x1f87, 0x1f80, 0x1f81, 0x1f82, 0x1f83, 0x1f84, 0x1f85, 0x1f86, 0x1f87,
0x1f88, 0x1f89, 0x1f8a, 0x1f8b, 0x1f8c, 0x1f8d, 0x1f8e, 0x1f8f, 0x1f88, 0x1f89, 0x1f8a, 0x1f8b, 0x1f8c, 0x1f8d, 0x1f8e, 0x1f8f,
0x1f90, 0x1f91, 0x1f92, 0x1f93, 0x1f94, 0x1f95, 0x1f96, 0x1f97, 0x1f90, 0x1f91, 0x1f92, 0x1f93, 0x1f94, 0x1f95, 0x1f96, 0x1f97,
0x1f98, 0x1f99, 0x1f9a, 0x1f9b, 0x1f9c, 0x1f9d, 0x1f9e, 0x1f9f, 0x1f98, 0x1f99, 0x1f9a, 0x1f9b, 0x1f9c, 0x1f9d, 0x1f9e, 0x1f9f,
0x1fa0, 0x1fa1, 0x1fa2, 0x1fa3, 0x1fa4, 0x1fa5, 0x1fa6, 0x1fa7, 0x1fa0, 0x1fa1, 0x1fa2, 0x1fa3, 0x1fa4, 0x1fa5, 0x1fa6, 0x1fa7,
0x1fa8, 0x1fa9, 0x1faa, 0x1fab, 0x1fac, 0x1fad, 0x1fae, 0x1faf, 0x1fa8, 0x1fa9, 0x1faa, 0x1fab, 0x1fac, 0x1fad, 0x1fae, 0x1faf,
0x1fb0, 0x1fb1, 0x1fb2, 0x1fb3, 0x1fb4, 0x1fb5, 0x1fb6, 0x1fb7, 0x1fb0, 0x1fb1, 0x1fb2, 0x1fb3, 0x1fb4, 0x1fb5, 0x1fb6, 0x1fb7,
0x1fb8, 0x1fb9, 0x1fba, 0x1fbb, 0x1fbc, 0x1fbd, 0x1fbe, 0x1fbf, 0x1fb8, 0x1fb9, 0x1fba, 0x1fbb, 0x1fbc, 0x1fbd, 0x1fbe, 0x1fbf,
0x7f00, 0x7f01, 0x7f02, 0x7f03, 0x7f04, 0x7f05, 0x7f06, 0x7f07, 0x7f00, 0x7f01, 0x7f02, 0x7f03, 0x7f04, 0x7f05, 0x7f06, 0x7f07,
0x7f08, 0x7f09, 0x7f0a, 0x7f0b, 0x7f0c, 0x7f0d, 0x7f0e, 0x7f0f, 0x7f08, 0x7f09, 0x7f0a, 0x7f0b, 0x7f0c, 0x7f0d, 0x7f0e, 0x7f0f,
0x7f10, 0x7f11, 0x7f12, 0x7f13, 0x7f14, 0x7f15, 0x7f16, 0x7f17, 0x7f10, 0x7f11, 0x7f12, 0x7f13, 0x7f14, 0x7f15, 0x7f16, 0x7f17,
0x7f18, 0x7f19, 0x7f1a, 0x7f1b, 0x7f1c, 0x7f1d, 0x7f1e, 0x7f1f, 0x7f18, 0x7f19, 0x7f1a, 0x7f1b, 0x7f1c, 0x7f1d, 0x7f1e, 0x7f1f,
0x7f20, 0x7f21, 0x7f22, 0x7f23, 0x7f24, 0x7f25, 0x7f26, 0x7f27, 0x7f20, 0x7f21, 0x7f22, 0x7f23, 0x7f24, 0x7f25, 0x7f26, 0x7f27,
0x7f28, 0x7f29, 0x7f2a, 0x7f2b, 0x7f2c, 0x7f2d, 0x7f2e, 0x7f2f, 0x7f28, 0x7f29, 0x7f2a, 0x7f2b, 0x7f2c, 0x7f2d, 0x7f2e, 0x7f2f,
0x7f30, 0x7f31, 0x7f32, 0x7f33, 0x7f34, 0x7f35, 0x7f36, 0x7f37, 0x7f30, 0x7f31, 0x7f32, 0x7f33, 0x7f34, 0x7f35, 0x7f36, 0x7f37,
0x7f38, 0x7f39, 0x7f3a, 0x7f3b, 0x7f3c, 0x7f3d, 0x7f3e, 0x7f3f, 0x7f38, 0x7f39, 0x7f3a, 0x7f3b, 0x7f3c, 0x7f3d, 0x7f3e, 0x7f3f,
0x7f40, 0x7f41, 0x7f42, 0x7f43, 0x7f44, 0x7f45, 0x7f46, 0x7f47, 0x7f40, 0x7f41, 0x7f42, 0x7f43, 0x7f44, 0x7f45, 0x7f46, 0x7f47,
0x7f48, 0x7f49, 0x7f4a, 0x7f4b, 0x7f4c, 0x7f4d, 0x7f4e, 0x7f4f, 0x7f48, 0x7f49, 0x7f4a, 0x7f4b, 0x7f4c, 0x7f4d, 0x7f4e, 0x7f4f,
0x7f50, 0x7f51, 0x7f52, 0x7f53, 0x7f54, 0x7f55, 0x7f56, 0x7f57, 0x7f50, 0x7f51, 0x7f52, 0x7f53, 0x7f54, 0x7f55, 0x7f56, 0x7f57,
0x7f58, 0x7f59, 0x7f5a, 0x7f5b, 0x7f5c, 0x7f5d, 0x7f5e, 0x7f5f, 0x7f58, 0x7f59, 0x7f5a, 0x7f5b, 0x7f5c, 0x7f5d, 0x7f5e, 0x7f5f,
0x7f60, 0x7f61, 0x7f62, 0x7f63, 0x7f64, 0x7f65, 0x7f66, 0x7f67, 0x7f60, 0x7f61, 0x7f62, 0x7f63, 0x7f64, 0x7f65, 0x7f66, 0x7f67,
0x7f68, 0x7f69, 0x7f6a, 0x7f6b, 0x7f6c, 0x7f6d, 0x7f6e, 0x7f6f, 0x7f68, 0x7f69, 0x7f6a, 0x7f6b, 0x7f6c, 0x7f6d, 0x7f6e, 0x7f6f,
0x7f70, 0x7f71, 0x7f72, 0x7f73, 0x7f74, 0x7f75, 0x7f76, 0x7f77, 0x7f70, 0x7f71, 0x7f72, 0x7f73, 0x7f74, 0x7f75, 0x7f76, 0x7f77,
0x7f78, 0x7f79, 0x7f7a, 0x7f7b, 0x7f7c, 0x7f7d, 0x7f7e, 0x7f7f, 0x7f78, 0x7f79, 0x7f7a, 0x7f7b, 0x7f7c, 0x7f7d, 0x7f7e, 0x7f7f,
0x7f80, 0x7f81, 0x7f82, 0x7f83, 0x7f84, 0x7f85, 0x7f86, 0x7f87, 0x7f80, 0x7f81, 0x7f82, 0x7f83, 0x7f84, 0x7f85, 0x7f86, 0x7f87,
0x7f88, 0x7f89, 0x7f8a, 0x7f8b, 0x7f8c, 0x7f8d, 0x7f8e, 0x7f8f, 0x7f88, 0x7f89, 0x7f8a, 0x7f8b, 0x7f8c, 0x7f8d, 0x7f8e, 0x7f8f,
0x7f90, 0x7f91, 0x7f92, 0x7f93, 0x7f94, 0x7f95, 0x7f96, 0x7f97, 0x7f90, 0x7f91, 0x7f92, 0x7f93, 0x7f94, 0x7f95, 0x7f96, 0x7f97,
0x7f98, 0x7f99, 0x7f9a, 0x7f9b, 0x7f9c, 0x7f9d, 0x7f9e, 0x7f9f, 0x7f98, 0x7f99, 0x7f9a, 0x7f9b, 0x7f9c, 0x7f9d, 0x7f9e, 0x7f9f,
0x7fa0, 0x7fa1, 0x7fa2, 0x7fa3, 0x7fa4, 0x7fa5, 0x7fa6, 0x7fa7, 0x7fa0, 0x7fa1, 0x7fa2, 0x7fa3, 0x7fa4, 0x7fa5, 0x7fa6, 0x7fa7,
0x7fa8, 0x7fa9, 0x7faa, 0x7fab, 0x7fac, 0x7fad, 0x7fae, 0x7faf, 0x7fa8, 0x7fa9, 0x7faa, 0x7fab, 0x7fac, 0x7fad, 0x7fae, 0x7faf,
0x7fb0, 0x7fb1, 0x7fb2, 0x7fb3, 0x7fb4, 0x7fb5, 0x7fb6, 0x7fb7, 0x7fb0, 0x7fb1, 0x7fb2, 0x7fb3, 0x7fb4, 0x7fb5, 0x7fb6, 0x7fb7,
0x7fb8, 0x7fb9, 0x7fba, 0x7fbb, 0x7fbc, 0x7fbd, 0x7fbe, 0x7fbf, 0x7fb8, 0x7fb9, 0x7fba, 0x7fbb, 0x7fbc, 0x7fbd, 0x7fbe, 0x7fbf,
0x7fc0, 0x7fc1, 0x7fc2, 0x7fc3, 0x7fc4, 0x7fc5, 0x7fc6, 0x7fc7, 0x7fc0, 0x7fc1, 0x7fc2, 0x7fc3, 0x7fc4, 0x7fc5, 0x7fc6, 0x7fc7,
0x7fc8, 0x7fc9, 0x7fca, 0x7fcb, 0x7fcc, 0x7fcd, 0x7fce, 0x7fcf, 0x7fc8, 0x7fc9, 0x7fca, 0x7fcb, 0x7fcc, 0x7fcd, 0x7fce, 0x7fcf,
0x7fd0, 0x7fd1, 0x7fd2, 0x7fd3, 0x7fd4, 0x7fd5, 0x7fd6, 0x7fd7, 0x7fd0, 0x7fd1, 0x7fd2, 0x7fd3, 0x7fd4, 0x7fd5, 0x7fd6, 0x7fd7,
0x7fd8, 0x7fd9, 0x7fda, 0x7fdb, 0x7fdc, 0x7fdd, 0x7fde, 0x7fdf, 0x7fd8, 0x7fd9, 0x7fda, 0x7fdb, 0x7fdc, 0x7fdd, 0x7fde, 0x7fdf,
0x7fe0, 0x7fe1, 0x7fe2, 0x7fe3, 0x7fe4, 0x7fe5, 0x7fe6, 0x7fe7, 0x7fe0, 0x7fe1, 0x7fe2, 0x7fe3, 0x7fe4, 0x7fe5, 0x7fe6, 0x7fe7,
0x7fe8, 0x7fe9, 0x7fea, 0x7feb, 0x7fec, 0x7fed, 0x7fee, 0x7fef, 0x7fe8, 0x7fe9, 0x7fea, 0x7feb, 0x7fec, 0x7fed, 0x7fee, 0x7fef,
0x7ff0, 0x7ff1, 0x7ff2, 0x7ff3, 0x7ff4, 0x7ff5, 0x7ff6, 0x7ff7, 0x7ff0, 0x7ff1, 0x7ff2, 0x7ff3, 0x7ff4, 0x7ff5, 0x7ff6, 0x7ff7,
0x7ff8, 0x7ff9, 0x7ffa, 0x7ffb, 0x7ffc, 0x7ffd, 0x7ffe, 0x7fff, 0x7ff8, 0x7ff9, 0x7ffa, 0x7ffb, 0x7ffc, 0x7ffd, 0x7ffe, 0x7fff,
0x0006, 0x0006,
}; };
const uint8_t ff_dv_vlc_len[NB_DV_VLC] = { const uint8_t ff_dv_vlc_len[NB_DV_VLC] = {
2, 3, 4, 4, 4, 5, 5, 5, 2, 3, 4, 4, 4, 5, 5, 5,
5, 6, 6, 6, 6, 7, 7, 7, 5, 6, 6, 6, 6, 7, 7, 7,
7, 7, 7, 7, 7, 8, 8, 8, 7, 7, 7, 7, 7, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 9, 9, 9, 8, 8, 8, 8, 8, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
9, 9, 9, 9, 9, 10, 10, 10, 9, 9, 9, 9, 9, 10, 10, 10,
10, 10, 10, 10, 11, 11, 11, 11, 10, 10, 10, 10, 11, 11, 11, 11,
11, 11, 11, 11, 12, 12, 12, 12, 11, 11, 11, 11, 12, 12, 12, 12,
12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
4, 4,
}; };
const uint8_t ff_dv_vlc_run[NB_DV_VLC] = { const uint8_t ff_dv_vlc_run[NB_DV_VLC] = {
0, 0, 1, 0, 0, 2, 1, 0, 0, 0, 1, 0, 0, 2, 1, 0,
0, 3, 4, 0, 0, 5, 6, 2, 0, 3, 4, 0, 0, 5, 6, 2,
1, 1, 0, 0, 0, 7, 8, 9, 1, 1, 0, 0, 0, 7, 8, 9,
10, 3, 4, 2, 1, 1, 1, 0, 10, 3, 4, 2, 1, 1, 1, 0,
0, 0, 0, 0, 0, 11, 12, 13, 0, 0, 0, 0, 0, 11, 12, 13,
14, 5, 6, 3, 4, 2, 2, 1, 14, 5, 6, 3, 4, 2, 2, 1,
0, 0, 0, 0, 0, 5, 3, 3, 0, 0, 0, 0, 0, 5, 3, 3,
2, 1, 1, 1, 0, 1, 6, 4, 2, 1, 1, 1, 0, 1, 6, 4,
3, 1, 1, 1, 2, 3, 4, 5, 3, 1, 1, 1, 2, 3, 4, 5,
7, 8, 9, 10, 7, 8, 4, 3, 7, 8, 9, 10, 7, 8, 4, 3,
2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1,
0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47, 40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55, 48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61, 62, 63, 56, 57, 58, 59, 60, 61, 62, 63,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
127, 127,
}; };
const uint8_t ff_dv_vlc_level[NB_DV_VLC] = { const uint8_t ff_dv_vlc_level[NB_DV_VLC] = {
1, 2, 1, 3, 4, 1, 2, 5, 1, 2, 1, 3, 4, 1, 2, 5,
6, 1, 1, 7, 8, 1, 1, 2, 6, 1, 1, 7, 8, 1, 1, 2,
3, 4, 9, 10, 11, 1, 1, 1, 3, 4, 9, 10, 11, 1, 1, 1,
1, 2, 2, 3, 5, 6, 7, 12, 1, 2, 2, 3, 5, 6, 7, 12,
13, 14, 15, 16, 17, 1, 1, 1, 13, 14, 15, 16, 17, 1, 1, 1,
1, 2, 2, 3, 3, 4, 5, 8, 1, 2, 2, 3, 3, 4, 5, 8,
18, 19, 20, 21, 22, 3, 4, 5, 18, 19, 20, 21, 22, 3, 4, 5,
6, 9, 10, 11, 0, 0, 3, 4, 6, 9, 10, 11, 0, 0, 3, 4,
6, 12, 13, 14, 0, 0, 0, 0, 6, 12, 13, 14, 0, 0, 0, 0,
2, 2, 2, 2, 3, 3, 5, 7, 2, 2, 2, 2, 3, 3, 5, 7,
7, 8, 9, 10, 11, 15, 16, 17, 7, 8, 9, 10, 11, 15, 16, 17,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47, 40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55, 48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61, 62, 63, 56, 57, 58, 59, 60, 61, 62, 63,
64, 65, 66, 67, 68, 69, 70, 71, 64, 65, 66, 67, 68, 69, 70, 71,
72, 73, 74, 75, 76, 77, 78, 79, 72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84, 85, 86, 87, 80, 81, 82, 83, 84, 85, 86, 87,
88, 89, 90, 91, 92, 93, 94, 95, 88, 89, 90, 91, 92, 93, 94, 95,
96, 97, 98, 99, 100, 101, 102, 103, 96, 97, 98, 99, 100, 101, 102, 103,
104, 105, 106, 107, 108, 109, 110, 111, 104, 105, 106, 107, 108, 109, 110, 111,
112, 113, 114, 115, 116, 117, 118, 119, 112, 113, 114, 115, 116, 117, 118, 119,
120, 121, 122, 123, 124, 125, 126, 127, 120, 121, 122, 123, 124, 125, 126, 127,
128, 129, 130, 131, 132, 133, 134, 135, 128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143, 136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151, 144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159, 152, 153, 154, 155, 156, 157, 158, 159,
160, 161, 162, 163, 164, 165, 166, 167, 160, 161, 162, 163, 164, 165, 166, 167,
168, 169, 170, 171, 172, 173, 174, 175, 168, 169, 170, 171, 172, 173, 174, 175,
176, 177, 178, 179, 180, 181, 182, 183, 176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 186, 187, 188, 189, 190, 191, 184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 197, 198, 199, 192, 193, 194, 195, 196, 197, 198, 199,
200, 201, 202, 203, 204, 205, 206, 207, 200, 201, 202, 203, 204, 205, 206, 207,
208, 209, 210, 211, 212, 213, 214, 215, 208, 209, 210, 211, 212, 213, 214, 215,
216, 217, 218, 219, 220, 221, 222, 223, 216, 217, 218, 219, 220, 221, 222, 223,
224, 225, 226, 227, 228, 229, 230, 231, 224, 225, 226, 227, 228, 229, 230, 231,
232, 233, 234, 235, 236, 237, 238, 239, 232, 233, 234, 235, 236, 237, 238, 239,
240, 241, 242, 243, 244, 245, 246, 247, 240, 241, 242, 243, 244, 245, 246, 247,
248, 249, 250, 251, 252, 253, 254, 255, 248, 249, 250, 251, 252, 253, 254, 255,
0, 0,
}; };

162
libavcodec/dvdec.c
View File

@ -35,17 +35,18 @@
* DV decoder * DV decoder
*/ */
#include "libavutil/internal.h"
#include "libavutil/imgutils.h" #include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/pixdesc.h" #include "libavutil/pixdesc.h"
#include "avcodec.h" #include "avcodec.h"
#include "dv.h"
#include "dvdata.h"
#include "get_bits.h"
#include "idctdsp.h" #include "idctdsp.h"
#include "internal.h" #include "internal.h"
#include "get_bits.h"
#include "put_bits.h" #include "put_bits.h"
#include "simple_idct.h" #include "simple_idct.h"
#include "dvdata.h"
#include "dv.h"
typedef struct BlockInfo { typedef struct BlockInfo {
const uint32_t *factor_table; const uint32_t *factor_table;
@ -68,7 +69,7 @@ static av_cold int dvvideo_decode_init(AVCodecContext *avctx)
ff_idctdsp_init(&idsp, avctx); ff_idctdsp_init(&idsp, avctx);
for (i = 0; i < 64; i++) for (i = 0; i < 64; i++)
s->dv_zigzag[0][i] = idsp.idct_permutation[ff_zigzag_direct[i]]; s->dv_zigzag[0][i] = idsp.idct_permutation[ff_zigzag_direct[i]];
memcpy(s->dv_zigzag[1], ff_dv_zigzag248_direct, sizeof(s->dv_zigzag[1])); memcpy(s->dv_zigzag[1], ff_dv_zigzag248_direct, sizeof(s->dv_zigzag[1]));
@ -84,8 +85,8 @@ static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, int16_t *block)
int last_index = gb->size_in_bits; int last_index = gb->size_in_bits;
const uint8_t *scan_table = mb->scan_table; const uint8_t *scan_table = mb->scan_table;
const uint32_t *factor_table = mb->factor_table; const uint32_t *factor_table = mb->factor_table;
int pos = mb->pos; int pos = mb->pos;
int partial_bit_count = mb->partial_bit_count; int partial_bit_count = mb->partial_bit_count;
int level, run, vlc_len, index; int level, run, vlc_len, index;
OPEN_READER_NOSIZE(re, gb); OPEN_READER_NOSIZE(re, gb);
@ -93,8 +94,9 @@ static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, int16_t *block)
/* if we must parse a partial VLC, we do it here */ /* if we must parse a partial VLC, we do it here */
if (partial_bit_count > 0) { if (partial_bit_count > 0) {
re_cache = re_cache >> partial_bit_count | mb->partial_bit_buffer; re_cache = re_cache >> partial_bit_count |
re_index -= partial_bit_count; mb->partial_bit_buffer;
re_index -= partial_bit_count;
mb->partial_bit_count = 0; mb->partial_bit_count = 0;
} }
@ -106,7 +108,7 @@ static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, int16_t *block)
index = NEG_USR32(re_cache, TEX_VLC_BITS); index = NEG_USR32(re_cache, TEX_VLC_BITS);
vlc_len = ff_dv_rl_vlc[index].len; vlc_len = ff_dv_rl_vlc[index].len;
if (vlc_len < 0) { if (vlc_len < 0) {
index = NEG_USR32((unsigned)re_cache << TEX_VLC_BITS, -vlc_len) + index = NEG_USR32((unsigned) re_cache << TEX_VLC_BITS, -vlc_len) +
ff_dv_rl_vlc[index].level; ff_dv_rl_vlc[index].level;
vlc_len = TEX_VLC_BITS - vlc_len; vlc_len = TEX_VLC_BITS - vlc_len;
} }
@ -116,9 +118,9 @@ static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, int16_t *block)
/* gotta check if we're still within gb boundaries */ /* gotta check if we're still within gb boundaries */
if (re_index + vlc_len > last_index) { if (re_index + vlc_len > last_index) {
/* should be < 16 bits otherwise a codeword could have been parsed */ /* should be < 16 bits otherwise a codeword could have been parsed */
mb->partial_bit_count = last_index - re_index; mb->partial_bit_count = last_index - re_index;
mb->partial_bit_buffer = re_cache & ~(-1u >> mb->partial_bit_count); mb->partial_bit_buffer = re_cache & ~(-1u >> mb->partial_bit_count);
re_index = last_index; re_index = last_index;
break; break;
} }
re_index += vlc_len; re_index += vlc_len;
@ -128,7 +130,8 @@ static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, int16_t *block)
if (pos >= 64) if (pos >= 64)
break; break;
level = (level * factor_table[pos] + (1 << (dv_iweight_bits - 1))) >> dv_iweight_bits; level = (level * factor_table[pos] + (1 << (dv_iweight_bits - 1))) >>
dv_iweight_bits;
block[scan_table[pos]] = level; block[scan_table[pos]] = level;
UPDATE_CACHE(re, gb); UPDATE_CACHE(re, gb);
@ -144,9 +147,8 @@ static inline void bit_copy(PutBitContext *pb, GetBitContext *gb)
put_bits(pb, MIN_CACHE_BITS, get_bits(gb, MIN_CACHE_BITS)); put_bits(pb, MIN_CACHE_BITS, get_bits(gb, MIN_CACHE_BITS));
bits_left -= MIN_CACHE_BITS; bits_left -= MIN_CACHE_BITS;
} }
if (bits_left > 0) { if (bits_left > 0)
put_bits(pb, bits_left, get_bits(gb, bits_left)); put_bits(pb, bits_left, get_bits(gb, bits_left));
}
} }
/* mb_x and mb_y are in units of 8 pixels */ /* mb_x and mb_y are in units of 8 pixels */
@ -164,25 +166,25 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
PutBitContext pb, vs_pb; PutBitContext pb, vs_pb;
GetBitContext gb; GetBitContext gb;
BlockInfo mb_data[5 * DV_MAX_BPM], *mb, *mb1; BlockInfo mb_data[5 * DV_MAX_BPM], *mb, *mb1;
LOCAL_ALIGNED_16(int16_t, sblock, [5*DV_MAX_BPM], [64]); LOCAL_ALIGNED_16(int16_t, sblock, [5 * DV_MAX_BPM], [64]);
LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [ 80 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */ LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [80 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [5*80 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */ LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [80 * 5 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
const int log2_blocksize = 3; const int log2_blocksize = 3;
int is_field_mode[5]; int is_field_mode[5];
assert((((int)mb_bit_buffer) & 7) == 0); assert((((int) mb_bit_buffer) & 7) == 0);
assert((((int)vs_bit_buffer) & 7) == 0); assert((((int) vs_bit_buffer) & 7) == 0);
memset(sblock, 0, 5*DV_MAX_BPM*sizeof(*sblock)); memset(sblock, 0, 5 * DV_MAX_BPM * sizeof(*sblock));
/* pass 1: read DC and AC coefficients in blocks */ /* pass 1: read DC and AC coefficients in blocks */
buf_ptr = &s->buf[work_chunk->buf_offset*80]; buf_ptr = &s->buf[work_chunk->buf_offset * 80];
block1 = &sblock[0][0]; block1 = &sblock[0][0];
mb1 = mb_data; mb1 = mb_data;
init_put_bits(&vs_pb, vs_bit_buffer, 5 * 80); init_put_bits(&vs_pb, vs_bit_buffer, 5 * 80);
for (mb_index = 0; mb_index < 5; mb_index++, mb1 += s->sys->bpm, block1 += s->sys->bpm * 64) { for (mb_index = 0; mb_index < 5; mb_index++, mb1 += s->sys->bpm, block1 += s->sys->bpm * 64) {
/* skip header */ /* skip header */
quant = buf_ptr[3] & 0x0f; quant = buf_ptr[3] & 0x0f;
buf_ptr += 4; buf_ptr += 4;
init_put_bits(&pb, mb_bit_buffer, 80); init_put_bits(&pb, mb_bit_buffer, 80);
mb = mb1; mb = mb1;
@ -199,20 +201,24 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
if (DV_PROFILE_IS_HD(s->sys)) { if (DV_PROFILE_IS_HD(s->sys)) {
mb->idct_put = s->idct_put[0]; mb->idct_put = s->idct_put[0];
mb->scan_table = s->dv_zigzag[0]; mb->scan_table = s->dv_zigzag[0];
mb->factor_table = &s->idct_factor[(j >= 4)*4*16*64 + class1*16*64 + quant*64]; mb->factor_table = &s->idct_factor[(j >= 4) * 4 * 16 * 64 +
class1 * 16 * 64 +
quant * 64];
is_field_mode[mb_index] |= !j && dct_mode; is_field_mode[mb_index] |= !j && dct_mode;
} else { } else {
mb->idct_put = s->idct_put[dct_mode && log2_blocksize == 3]; mb->idct_put = s->idct_put[dct_mode && log2_blocksize == 3];
mb->scan_table = s->dv_zigzag[dct_mode]; mb->scan_table = s->dv_zigzag[dct_mode];
mb->factor_table = &s->idct_factor[(class1 == 3)*2*22*64 + dct_mode*22*64 + mb->factor_table =
(quant + ff_dv_quant_offset[class1])*64]; &s->idct_factor[(class1 == 3) * 2 * 22 * 64 +
dct_mode * 22 * 64 +
(quant + ff_dv_quant_offset[class1]) * 64];
} }
dc = dc << 2; dc = dc << 2;
/* convert to unsigned because 128 is not added in the /* convert to unsigned because 128 is not added in the
standard IDCT */ * standard IDCT */
dc += 1024; dc += 1024;
block[0] = dc; block[0] = dc;
buf_ptr += last_index >> 3; buf_ptr += last_index >> 3;
mb->pos = 0; mb->pos = 0;
mb->partial_bit_count = 0; mb->partial_bit_count = 0;
@ -220,7 +226,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
dv_decode_ac(&gb, mb, block); dv_decode_ac(&gb, mb, block);
/* write the remaining bits in a new buffer only if the /* write the remaining bits in a new buffer only if the
block is finished */ * block is finished */
if (mb->pos >= 64) if (mb->pos >= 64)
bit_copy(&pb, &gb); bit_copy(&pb, &gb);
@ -244,7 +250,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
} }
} }
/* all blocks are finished, so the extra bytes can be used at /* all blocks are finished, so the extra bytes can be used at
the video segment level */ * the video segment level */
if (j >= s->sys->bpm) if (j >= s->sys->bpm)
bit_copy(&vs_pb, &gb); bit_copy(&vs_pb, &gb);
} }
@ -263,7 +269,8 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
dv_decode_ac(&gb, mb, block); dv_decode_ac(&gb, mb, block);
} }
if (mb->pos >= 64 && mb->pos < 127) if (mb->pos >= 64 && mb->pos < 127)
av_log(avctx, AV_LOG_ERROR, "AC EOB marker is absent pos=%d\n", mb->pos); av_log(avctx, AV_LOG_ERROR,
"AC EOB marker is absent pos=%d\n", mb->pos);
block += 64; block += 64;
mb++; mb++;
} }
@ -276,25 +283,27 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
dv_calculate_mb_xy(s, work_chunk, mb_index, &mb_x, &mb_y); dv_calculate_mb_xy(s, work_chunk, mb_index, &mb_x, &mb_y);
/* idct_put'ting luminance */ /* idct_put'ting luminance */
if ((s->sys->pix_fmt == AV_PIX_FMT_YUV420P) || if ((s->sys->pix_fmt == AV_PIX_FMT_YUV420P) ||
(s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) || (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) ||
(s->sys->height >= 720 && mb_y != 134)) { (s->sys->height >= 720 && mb_y != 134)) {
y_stride = (s->frame->linesize[0] << ((!is_field_mode[mb_index]) * log2_blocksize)); y_stride = (s->frame->linesize[0] <<
((!is_field_mode[mb_index]) * log2_blocksize));
} else { } else {
y_stride = (2 << log2_blocksize); y_stride = (2 << log2_blocksize);
} }
y_ptr = s->frame->data[0] + ((mb_y * s->frame->linesize[0] + mb_x) << log2_blocksize); y_ptr = s->frame->data[0] +
((mb_y * s->frame->linesize[0] + mb_x) << log2_blocksize);
linesize = s->frame->linesize[0] << is_field_mode[mb_index]; linesize = s->frame->linesize[0] << is_field_mode[mb_index];
mb[0] .idct_put(y_ptr , linesize, block + 0*64); mb[0].idct_put(y_ptr, linesize, block + 0 * 64);
if (s->sys->video_stype == 4) { /* SD 422 */ if (s->sys->video_stype == 4) { /* SD 422 */
mb[2].idct_put(y_ptr + (1 << log2_blocksize) , linesize, block + 2*64); mb[2].idct_put(y_ptr + (1 << log2_blocksize), linesize, block + 2 * 64);
} else { } else {
mb[1].idct_put(y_ptr + (1 << log2_blocksize) , linesize, block + 1*64); mb[1].idct_put(y_ptr + (1 << log2_blocksize), linesize, block + 1 * 64);
mb[2].idct_put(y_ptr + y_stride, linesize, block + 2*64); mb[2].idct_put(y_ptr + y_stride, linesize, block + 2 * 64);
mb[3].idct_put(y_ptr + (1 << log2_blocksize) + y_stride, linesize, block + 3*64); mb[3].idct_put(y_ptr + (1 << log2_blocksize) + y_stride, linesize, block + 3 * 64);
} }
mb += 4; mb += 4;
block += 4*64; block += 4 * 64;
/* idct_put'ting chrominance */ /* idct_put'ting chrominance */
c_offset = (((mb_y >> (s->sys->pix_fmt == AV_PIX_FMT_YUV420P)) * s->frame->linesize[1] + c_offset = (((mb_y >> (s->sys->pix_fmt == AV_PIX_FMT_YUV420P)) * s->frame->linesize[1] +
@ -302,28 +311,31 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
for (j = 2; j; j--) { for (j = 2; j; j--) {
uint8_t *c_ptr = s->frame->data[j] + c_offset; uint8_t *c_ptr = s->frame->data[j] + c_offset;
if (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) { if (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) {
uint64_t aligned_pixels[64/8]; uint64_t aligned_pixels[64 / 8];
uint8_t *pixels = (uint8_t*)aligned_pixels; uint8_t *pixels = (uint8_t *) aligned_pixels;
uint8_t *c_ptr1, *ptr1; uint8_t *c_ptr1, *ptr1;
int x, y; int x, y;
mb->idct_put(pixels, 8, block); mb->idct_put(pixels, 8, block);
for (y = 0; y < (1 << log2_blocksize); y++, c_ptr += s->frame->linesize[j], pixels += 8) { for (y = 0; y < (1 << log2_blocksize); y++, c_ptr += s->frame->linesize[j], pixels += 8) {
ptr1 = pixels + (1 << (log2_blocksize - 1)); ptr1 = pixels + (1 << (log2_blocksize - 1));
c_ptr1 = c_ptr + (s->frame->linesize[j] << log2_blocksize); c_ptr1 = c_ptr + (s->frame->linesize[j] << log2_blocksize);
for (x = 0; x < (1 << (log2_blocksize - 1)); x++) { for (x = 0; x < (1 << (log2_blocksize - 1)); x++) {
c_ptr[x] = pixels[x]; c_ptr[x] = pixels[x];
c_ptr1[x] = ptr1[x]; c_ptr1[x] = ptr1[x];
} }
} }
block += 64; mb++; block += 64;
mb++;
} else { } else {
y_stride = (mb_y == 134) ? (1 << log2_blocksize) : y_stride = (mb_y == 134) ? (1 << log2_blocksize) :
s->frame->linesize[j] << ((!is_field_mode[mb_index]) * log2_blocksize); s->frame->linesize[j] << ((!is_field_mode[mb_index]) * log2_blocksize);
linesize = s->frame->linesize[j] << is_field_mode[mb_index]; linesize = s->frame->linesize[j] << is_field_mode[mb_index];
(mb++)-> idct_put(c_ptr , linesize, block); block += 64; (mb++)->idct_put(c_ptr, linesize, block);
if (s->sys->bpm == 8) { block += 64;
(mb++)->idct_put(c_ptr + y_stride, linesize, block); block += 64; if (s->sys->bpm == 8) {
} (mb++)->idct_put(c_ptr + y_stride, linesize, block);
block += 64;
}
} }
} }
} }
@ -331,15 +343,14 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
} }
/* NOTE: exactly one frame must be given (120000 bytes for NTSC, /* NOTE: exactly one frame must be given (120000 bytes for NTSC,
144000 bytes for PAL - or twice those for 50Mbps) */ * 144000 bytes for PAL - or twice those for 50Mbps) */
static int dvvideo_decode_frame(AVCodecContext *avctx, static int dvvideo_decode_frame(AVCodecContext *avctx, void *data,
void *data, int *got_frame, int *got_frame, AVPacket *avpkt)
AVPacket *avpkt)
{ {
uint8_t *buf = avpkt->data; uint8_t *buf = avpkt->data;
int buf_size = avpkt->size; int buf_size = avpkt->size;
DVVideoContext *s = avctx->priv_data; DVVideoContext *s = avctx->priv_data;
const uint8_t* vsc_pack; const uint8_t *vsc_pack;
int apt, is16_9, ret; int apt, is16_9, ret;
const AVDVProfile *sys; const AVDVProfile *sys;
@ -361,18 +372,19 @@ static int dvvideo_decode_frame(AVCodecContext *avctx,
s->frame = data; s->frame = data;
s->frame->key_frame = 1; s->frame->key_frame = 1;
s->frame->pict_type = AV_PICTURE_TYPE_I; s->frame->pict_type = AV_PICTURE_TYPE_I;
avctx->pix_fmt = s->sys->pix_fmt; avctx->pix_fmt = s->sys->pix_fmt;
avctx->time_base = s->sys->time_base; avctx->time_base = s->sys->time_base;
ret = ff_set_dimensions(avctx, s->sys->width, s->sys->height); ret = ff_set_dimensions(avctx, s->sys->width, s->sys->height);
if (ret < 0) if (ret < 0)
return ret; return ret;
/* Determine the codec's sample_aspect ratio from the packet */ /* Determine the codec's sample_aspect ratio from the packet */
vsc_pack = buf + 80*5 + 48 + 5; vsc_pack = buf + 80 * 5 + 48 + 5;
if ( *vsc_pack == dv_video_control ) { if (*vsc_pack == dv_video_control) {
apt = buf[4] & 0x07; apt = buf[4] & 0x07;
is16_9 = (vsc_pack && ((vsc_pack[2] & 0x07) == 0x02 || (!apt && (vsc_pack[2] & 0x07) == 0x07))); is16_9 = (vsc_pack && ((vsc_pack[2] & 0x07) == 0x02 ||
(!apt && (vsc_pack[2] & 0x07) == 0x07)));
ff_set_sar(avctx, s->sys->sar[is16_9]); ff_set_sar(avctx, s->sys->sar[is16_9]);
} }

589
libavcodec/dvenc.c
View File

@ -24,18 +24,20 @@
* DV encoder * DV encoder
*/ */
#include "config.h"
#include "libavutil/attributes.h" #include "libavutil/attributes.h"
#include "libavutil/pixdesc.h" #include "libavutil/pixdesc.h"
#include "config.h"
#include "avcodec.h" #include "avcodec.h"
#include "dv.h"
#include "dv_profile_internal.h"
#include "dv_tablegen.h"
#include "fdctdsp.h" #include "fdctdsp.h"
#include "internal.h" #include "internal.h"
#include "me_cmp.h" #include "me_cmp.h"
#include "pixblockdsp.h" #include "pixblockdsp.h"
#include "put_bits.h" #include "put_bits.h"
#include "dv.h"
#include "dv_tablegen.h"
#include "dv_profile_internal.h"
static av_cold int dvvideo_encode_init(AVCodecContext *avctx) static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
{ {
@ -48,7 +50,7 @@ static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
s->sys = av_dv_codec_profile(avctx->width, avctx->height, avctx->pix_fmt); s->sys = av_dv_codec_profile(avctx->width, avctx->height, avctx->pix_fmt);
if (!s->sys) { if (!s->sys) {
av_log(avctx, AV_LOG_ERROR, "Found no DV profile for %ix%i %s video. " av_log(avctx, AV_LOG_ERROR, "Found no DV profile for %ix%i %s video. "
"Valid DV profiles are:\n", "Valid DV profiles are:\n",
avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt)); avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
ff_dv_print_profiles(avctx, AV_LOG_ERROR); ff_dv_print_profiles(avctx, AV_LOG_ERROR);
return AVERROR(EINVAL); return AVERROR(EINVAL);
@ -80,19 +82,19 @@ static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
} }
/* bit budget for AC only in 5 MBs */ /* bit budget for AC only in 5 MBs */
static const int vs_total_ac_bits = (100 * 4 + 68*2) * 5; static const int vs_total_ac_bits = (100 * 4 + 68 * 2) * 5;
static const int mb_area_start[5] = { 1, 6, 21, 43, 64 }; static const int mb_area_start[5] = { 1, 6, 21, 43, 64 };
#if CONFIG_SMALL #if CONFIG_SMALL
/* Converts run and level (where level != 0) pair into VLC, returning bit size */ /* Convert run and level (where level != 0) pair into VLC, returning bit size */
static av_always_inline int dv_rl2vlc(int run, int level, int sign, uint32_t* vlc) static av_always_inline int dv_rl2vlc(int run, int level, int sign,
uint32_t *vlc)
{ {
int size; int size;
if (run < DV_VLC_MAP_RUN_SIZE && level < DV_VLC_MAP_LEV_SIZE) { if (run < DV_VLC_MAP_RUN_SIZE && level < DV_VLC_MAP_LEV_SIZE) {
*vlc = dv_vlc_map[run][level].vlc | sign; *vlc = dv_vlc_map[run][level].vlc | sign;
size = dv_vlc_map[run][level].size; size = dv_vlc_map[run][level].size;
} } else {
else {
if (level < DV_VLC_MAP_LEV_SIZE) { if (level < DV_VLC_MAP_LEV_SIZE) {
*vlc = dv_vlc_map[0][level].vlc | sign; *vlc = dv_vlc_map[0][level].vlc | sign;
size = dv_vlc_map[0][level].size; size = dv_vlc_map[0][level].size;
@ -101,9 +103,9 @@ static av_always_inline int dv_rl2vlc(int run, int level, int sign, uint32_t* vl
size = 16; size = 16;
} }
if (run) { if (run) {
*vlc |= ((run < 16) ? dv_vlc_map[run-1][0].vlc : *vlc |= ((run < 16) ? dv_vlc_map[run - 1][0].vlc :
(0x1f80 | (run - 1))) << size; (0x1f80 | (run - 1))) << size;
size += (run < 16) ? dv_vlc_map[run-1][0].size : 13; size += (run < 16) ? dv_vlc_map[run - 1][0].size : 13;
} }
} }
@ -116,17 +118,15 @@ static av_always_inline int dv_rl2vlc_size(int run, int level)
if (run < DV_VLC_MAP_RUN_SIZE && level < DV_VLC_MAP_LEV_SIZE) { if (run < DV_VLC_MAP_RUN_SIZE && level < DV_VLC_MAP_LEV_SIZE) {
size = dv_vlc_map[run][level].size; size = dv_vlc_map[run][level].size;
} } else {
else {
size = (level < DV_VLC_MAP_LEV_SIZE) ? dv_vlc_map[0][level].size : 16; size = (level < DV_VLC_MAP_LEV_SIZE) ? dv_vlc_map[0][level].size : 16;
if (run) { if (run)
size += (run < 16) ? dv_vlc_map[run-1][0].size : 13; size += (run < 16) ? dv_vlc_map[run - 1][0].size : 13;
}
} }
return size; return size;
} }
#else #else
static av_always_inline int dv_rl2vlc(int run, int l, int sign, uint32_t* vlc) static av_always_inline int dv_rl2vlc(int run, int l, int sign, uint32_t *vlc)
{ {
*vlc = dv_vlc_map[run][l].vlc | sign; *vlc = dv_vlc_map[run][l].vlc | sign;
return dv_vlc_map[run][l].size; return dv_vlc_map[run][l].size;
@ -152,55 +152,60 @@ typedef struct EncBlockInfo {
uint32_t partial_bit_buffer; /* we can't use uint16_t here */ uint32_t partial_bit_buffer; /* we can't use uint16_t here */
} EncBlockInfo; } EncBlockInfo;
static av_always_inline PutBitContext* dv_encode_ac(EncBlockInfo* bi, static av_always_inline PutBitContext *dv_encode_ac(EncBlockInfo *bi,
PutBitContext* pb_pool, PutBitContext *pb_pool,
PutBitContext* pb_end) PutBitContext *pb_end)
{ {
int prev, bits_left; int prev, bits_left;
PutBitContext* pb = pb_pool; PutBitContext *pb = pb_pool;
int size = bi->partial_bit_count; int size = bi->partial_bit_count;
uint32_t vlc = bi->partial_bit_buffer; uint32_t vlc = bi->partial_bit_buffer;
bi->partial_bit_count = bi->partial_bit_buffer = 0; bi->partial_bit_count =
for (;;){ bi->partial_bit_buffer = 0;
/* Find suitable storage space */ for (;;) {
for (; size > (bits_left = put_bits_left(pb)); pb++) { /* Find suitable storage space */
if (bits_left) { for (; size > (bits_left = put_bits_left(pb)); pb++) {
size -= bits_left; if (bits_left) {
put_bits(pb, bits_left, vlc >> size); size -= bits_left;
vlc = vlc & ((1 << size) - 1); put_bits(pb, bits_left, vlc >> size);
} vlc = vlc & ((1 << size) - 1);
if (pb + 1 >= pb_end) { }
bi->partial_bit_count = size; if (pb + 1 >= pb_end) {
bi->partial_bit_buffer = vlc; bi->partial_bit_count = size;
return pb; bi->partial_bit_buffer = vlc;
} return pb;
} }
}
/* Store VLC */ /* Store VLC */
put_bits(pb, size, vlc); put_bits(pb, size, vlc);
if (bi->cur_ac >= 64) if (bi->cur_ac >= 64)
break; break;
/* Construct the next VLC */ /* Construct the next VLC */
prev = bi->cur_ac; prev = bi->cur_ac;
bi->cur_ac = bi->next[prev]; bi->cur_ac = bi->next[prev];
if (bi->cur_ac < 64){ if (bi->cur_ac < 64) {
size = dv_rl2vlc(bi->cur_ac - prev - 1, bi->mb[bi->cur_ac], bi->sign[bi->cur_ac], &vlc); size = dv_rl2vlc(bi->cur_ac - prev - 1, bi->mb[bi->cur_ac],
} else { bi->sign[bi->cur_ac], &vlc);
size = 4; vlc = 6; /* End Of Block stamp */ } else {
} size = 4;
vlc = 6; /* End Of Block stamp */
}
} }
return pb; return pb;
} }
static av_always_inline int dv_guess_dct_mode(DVVideoContext *s, uint8_t *data, int linesize) { static av_always_inline int dv_guess_dct_mode(DVVideoContext *s, uint8_t *data,
int linesize)
{
if (s->avctx->flags & CODEC_FLAG_INTERLACED_DCT) { if (s->avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
int ps = s->ildct_cmp(NULL, data, NULL, linesize, 8) - 400; int ps = s->ildct_cmp(NULL, data, NULL, linesize, 8) - 400;
if (ps > 0) { if (ps > 0) {
int is = s->ildct_cmp(NULL, data , NULL, linesize<<1, 4) + int is = s->ildct_cmp(NULL, data, NULL, linesize << 1, 4) +
s->ildct_cmp(NULL, data + linesize, NULL, linesize<<1, 4); s->ildct_cmp(NULL, data + linesize, NULL, linesize << 1, 4);
return ps > is; return ps > is;
} }
} }
@ -210,94 +215,102 @@ static av_always_inline int dv_guess_dct_mode(DVVideoContext *s, uint8_t *data,
static const int dv_weight_bits = 18; static const int dv_weight_bits = 18;
static const int dv_weight_88[64] = { static const int dv_weight_88[64] = {
131072, 257107, 257107, 242189, 252167, 242189, 235923, 237536, 131072, 257107, 257107, 242189, 252167, 242189, 235923, 237536,
237536, 235923, 229376, 231390, 223754, 231390, 229376, 222935, 237536, 235923, 229376, 231390, 223754, 231390, 229376, 222935,
224969, 217965, 217965, 224969, 222935, 200636, 218652, 211916, 224969, 217965, 217965, 224969, 222935, 200636, 218652, 211916,
212325, 211916, 218652, 200636, 188995, 196781, 205965, 206433, 212325, 211916, 218652, 200636, 188995, 196781, 205965, 206433,
206433, 205965, 196781, 188995, 185364, 185364, 200636, 200704, 206433, 205965, 196781, 188995, 185364, 185364, 200636, 200704,
200636, 185364, 185364, 174609, 180568, 195068, 195068, 180568, 200636, 185364, 185364, 174609, 180568, 195068, 195068, 180568,
174609, 170091, 175557, 189591, 175557, 170091, 165371, 170627, 174609, 170091, 175557, 189591, 175557, 170091, 165371, 170627,
170627, 165371, 160727, 153560, 160727, 144651, 144651, 136258, 170627, 165371, 160727, 153560, 160727, 144651, 144651, 136258,
}; };
static const int dv_weight_248[64] = { static const int dv_weight_248[64] = {
131072, 242189, 257107, 237536, 229376, 200636, 242189, 223754, 131072, 242189, 257107, 237536, 229376, 200636, 242189, 223754,
224969, 196781, 262144, 242189, 229376, 200636, 257107, 237536, 224969, 196781, 262144, 242189, 229376, 200636, 257107, 237536,
211916, 185364, 235923, 217965, 229376, 211916, 206433, 180568, 211916, 185364, 235923, 217965, 229376, 211916, 206433, 180568,
242189, 223754, 224969, 196781, 211916, 185364, 235923, 217965, 242189, 223754, 224969, 196781, 211916, 185364, 235923, 217965,
200704, 175557, 222935, 205965, 200636, 185364, 195068, 170627, 200704, 175557, 222935, 205965, 200636, 185364, 195068, 170627,
229376, 211916, 206433, 180568, 200704, 175557, 222935, 205965, 229376, 211916, 206433, 180568, 200704, 175557, 222935, 205965,
175557, 153560, 188995, 174609, 165371, 144651, 200636, 185364, 175557, 153560, 188995, 174609, 165371, 144651, 200636, 185364,
195068, 170627, 175557, 153560, 188995, 174609, 165371, 144651, 195068, 170627, 175557, 153560, 188995, 174609, 165371, 144651,
}; };
static av_always_inline int dv_init_enc_block(EncBlockInfo* bi, uint8_t *data, int linesize, DVVideoContext *s, int bias) static av_always_inline int dv_init_enc_block(EncBlockInfo *bi, uint8_t *data,
int linesize, DVVideoContext *s,
int bias)
{ {
const int *weight; const int *weight;
const uint8_t* zigzag_scan; const uint8_t *zigzag_scan;
LOCAL_ALIGNED_16(int16_t, blk, [64]); LOCAL_ALIGNED_16(int16_t, blk, [64]);
int i, area; int i, area;
/* We offer two different methods for class number assignment: the /* We offer two different methods for class number assignment: the
method suggested in SMPTE 314M Table 22, and an improved * method suggested in SMPTE 314M Table 22, and an improved
method. The SMPTE method is very conservative; it assigns class * method. The SMPTE method is very conservative; it assigns class
3 (i.e. severe quantization) to any block where the largest AC * 3 (i.e. severe quantization) to any block where the largest AC
component is greater than 36. Libav's DV encoder tracks AC bit * component is greater than 36. Libav's DV encoder tracks AC bit
consumption precisely, so there is no need to bias most blocks * consumption precisely, so there is no need to bias most blocks
towards strongly lossy compression. Instead, we assign class 2 * towards strongly lossy compression. Instead, we assign class 2
to most blocks, and use class 3 only when strictly necessary * to most blocks, and use class 3 only when strictly necessary
(for blocks whose largest AC component exceeds 255). */ * (for blocks whose largest AC component exceeds 255). */
#if 0 /* SMPTE spec method */ #if 0 /* SMPTE spec method */
static const int classes[] = {12, 24, 36, 0xffff}; static const int classes[] = { 12, 24, 36, 0xffff };
#else /* improved Libav method */ #else /* improved Libav method */
static const int classes[] = {-1, -1, 255, 0xffff}; static const int classes[] = { -1, -1, 255, 0xffff };
#endif #endif
int max = classes[0]; int max = classes[0];
int prev = 0; int prev = 0;
assert((((int)blk) & 15) == 0); assert((((int) blk) & 15) == 0);
bi->area_q[0] = bi->area_q[1] = bi->area_q[2] = bi->area_q[3] = 0; bi->area_q[0] =
bi->partial_bit_count = 0; bi->area_q[1] =
bi->area_q[2] =
bi->area_q[3] = 0;
bi->partial_bit_count = 0;
bi->partial_bit_buffer = 0; bi->partial_bit_buffer = 0;
bi->cur_ac = 0; bi->cur_ac = 0;
if (data) { if (data) {
bi->dct_mode = dv_guess_dct_mode(s, data, linesize); bi->dct_mode = dv_guess_dct_mode(s, data, linesize);
s->get_pixels(blk, data, linesize); s->get_pixels(blk, data, linesize);
s->fdct[bi->dct_mode](blk); s->fdct[bi->dct_mode](blk);
} else { } else {
/* We rely on the fact that encoding all zeros leads to an immediate EOB, /* We rely on the fact that encoding all zeros leads to an immediate
which is precisely what the spec calls for in the "dummy" blocks. */ * EOB, which is precisely what the spec calls for in the "dummy"
memset(blk, 0, 64*sizeof(*blk)); * blocks. */
memset(blk, 0, 64 * sizeof(*blk));
bi->dct_mode = 0; bi->dct_mode = 0;
} }
bi->mb[0] = blk[0]; bi->mb[0] = blk[0];
zigzag_scan = bi->dct_mode ? ff_dv_zigzag248_direct : ff_zigzag_direct; zigzag_scan = bi->dct_mode ? ff_dv_zigzag248_direct : ff_zigzag_direct;
weight = bi->dct_mode ? dv_weight_248 : dv_weight_88; weight = bi->dct_mode ? dv_weight_248 : dv_weight_88;
for (area = 0; area < 4; area++) { for (area = 0; area < 4; area++) {
bi->prev[area] = prev; bi->prev[area] = prev;
bi->bit_size[area] = 1; // 4 areas 4 bits for EOB :) bi->bit_size[area] = 1; // 4 areas 4 bits for EOB :)
for (i = mb_area_start[area]; i < mb_area_start[area+1]; i++) { for (i = mb_area_start[area]; i < mb_area_start[area + 1]; i++) {
int level = blk[zigzag_scan[i]]; int level = blk[zigzag_scan[i]];
if (level + 15 > 30U) { if (level + 15 > 30U) {
bi->sign[i] = (level >> 31) & 1; bi->sign[i] = (level >> 31) & 1;
/* weight it and and shift down into range, adding for rounding */ /* Weight it and and shift down into range, adding for rounding.
/* the extra division by a factor of 2^4 reverses the 8x expansion of the DCT * The extra division by a factor of 2^4 reverses the 8x
AND the 2x doubling of the weights */ * expansion of the DCT AND the 2x doubling of the weights. */
level = (FFABS(level) * weight[i] + (1 << (dv_weight_bits+3))) >> (dv_weight_bits+4); level = (FFABS(level) * weight[i] + (1 << (dv_weight_bits + 3))) >>
bi->mb[i] = level; (dv_weight_bits + 4);
if (level > max) bi->mb[i] = level;
max = level; if (level > max)
bi->bit_size[area] += dv_rl2vlc_size(i - prev - 1, level); max = level;
bi->next[prev]= i; bi->bit_size[area] += dv_rl2vlc_size(i - prev - 1, level);
prev = i; bi->next[prev] = i;
} prev = i;
} }
}
} }
bi->next[prev]= i; bi->next[prev] = i;
for (bi->cno = 0; max > classes[bi->cno]; bi->cno++); for (bi->cno = 0; max > classes[bi->cno]; bi->cno++)
;
bi->cno += bias; bi->cno += bias;
@ -308,85 +321,89 @@ static av_always_inline int dv_init_enc_block(EncBlockInfo* bi, uint8_t *data, i
for (area = 0; area < 4; area++) { for (area = 0; area < 4; area++) {
bi->prev[area] = prev; bi->prev[area] = prev;
bi->bit_size[area] = 1; // 4 areas 4 bits for EOB :) bi->bit_size[area] = 1; // 4 areas 4 bits for EOB :)
for (; i < mb_area_start[area+1]; i = bi->next[i]) { for (; i < mb_area_start[area + 1]; i = bi->next[i]) {
bi->mb[i] >>= 1; bi->mb[i] >>= 1;
if (bi->mb[i]) { if (bi->mb[i]) {
bi->bit_size[area] += dv_rl2vlc_size(i - prev - 1, bi->mb[i]); bi->bit_size[area] += dv_rl2vlc_size(i - prev - 1, bi->mb[i]);
bi->next[prev]= i; bi->next[prev] = i;
prev = i; prev = i;
} }
} }
} }
bi->next[prev]= i; bi->next[prev] = i;
} }
return bi->bit_size[0] + bi->bit_size[1] + bi->bit_size[2] + bi->bit_size[3]; return bi->bit_size[0] + bi->bit_size[1] +
bi->bit_size[2] + bi->bit_size[3];
} }
static inline void dv_guess_qnos(EncBlockInfo* blks, int* qnos) static inline void dv_guess_qnos(EncBlockInfo *blks, int *qnos)
{ {
int size[5]; int size[5];
int i, j, k, a, prev, a2; int i, j, k, a, prev, a2;
EncBlockInfo* b; EncBlockInfo *b;
size[0] = size[1] = size[2] = size[3] = size[4] = 1 << 24; size[0] =
size[1] =
size[2] =
size[3] =
size[4] = 1 << 24;
do { do {
b = blks;
for (i = 0; i < 5; i++) {
if (!qnos[i])
continue;
qnos[i]--;
size[i] = 0;
for (j = 0; j < 6; j++, b++) {
for (a = 0; a < 4; a++) {
if (b->area_q[a] != ff_dv_quant_shifts[qnos[i] + ff_dv_quant_offset[b->cno]][a]) {
b->bit_size[a] = 1; // 4 areas 4 bits for EOB :)
b->area_q[a]++;
prev = b->prev[a];
assert(b->next[prev] >= mb_area_start[a+1] || b->mb[prev]);
for (k = b->next[prev] ; k < mb_area_start[a+1]; k = b->next[k]) {
b->mb[k] >>= 1;
if (b->mb[k]) {
b->bit_size[a] += dv_rl2vlc_size(k - prev - 1, b->mb[k]);
prev = k;
} else {
if (b->next[k] >= mb_area_start[a+1] && b->next[k]<64){
for (a2 = a + 1; b->next[k] >= mb_area_start[a2+1]; a2++)
b->prev[a2] = prev;
assert(a2 < 4);
assert(b->mb[b->next[k]]);
b->bit_size[a2] += dv_rl2vlc_size(b->next[k] - prev - 1, b->mb[b->next[k]])
-dv_rl2vlc_size(b->next[k] - k - 1, b->mb[b->next[k]]);
assert(b->prev[a2] == k && (a2 + 1 >= 4 || b->prev[a2+1] != k));
b->prev[a2] = prev;
}
b->next[prev] = b->next[k];
}
}
b->prev[a+1]= prev;
}
size[i] += b->bit_size[a];
}
}
if (vs_total_ac_bits >= size[0] + size[1] + size[2] + size[3] + size[4])
return;
}
} while (qnos[0]|qnos[1]|qnos[2]|qnos[3]|qnos[4]);
for (a = 2; a == 2 || vs_total_ac_bits < size[0]; a += a){
b = blks; b = blks;
size[0] = 5 * 6 * 4; //EOB for (i = 0; i < 5; i++) {
for (j = 0; j < 6 *5; j++, b++) { if (!qnos[i])
continue;
qnos[i]--;
size[i] = 0;
for (j = 0; j < 6; j++, b++) {
for (a = 0; a < 4; a++) {
if (b->area_q[a] != ff_dv_quant_shifts[qnos[i] + ff_dv_quant_offset[b->cno]][a]) {
b->bit_size[a] = 1; // 4 areas 4 bits for EOB :)
b->area_q[a]++;
prev = b->prev[a];
assert(b->next[prev] >= mb_area_start[a + 1] || b->mb[prev]);
for (k = b->next[prev]; k < mb_area_start[a + 1]; k = b->next[k]) {
b->mb[k] >>= 1;
if (b->mb[k]) {
b->bit_size[a] += dv_rl2vlc_size(k - prev - 1, b->mb[k]);
prev = k;
} else {
if (b->next[k] >= mb_area_start[a + 1] && b->next[k] < 64) {
for (a2 = a + 1; b->next[k] >= mb_area_start[a2 + 1]; a2++)
b->prev[a2] = prev;
assert(a2 < 4);
assert(b->mb[b->next[k]]);
b->bit_size[a2] += dv_rl2vlc_size(b->next[k] - prev - 1, b->mb[b->next[k]]) -
dv_rl2vlc_size(b->next[k] - k - 1, b->mb[b->next[k]]);
assert(b->prev[a2] == k && (a2 + 1 >= 4 || b->prev[a2 + 1] != k));
b->prev[a2] = prev;
}
b->next[prev] = b->next[k];
}
}
b->prev[a + 1] = prev;
}
size[i] += b->bit_size[a];
}
}
if (vs_total_ac_bits >= size[0] + size[1] + size[2] + size[3] + size[4])
return;
}
} while (qnos[0] | qnos[1] | qnos[2] | qnos[3] | qnos[4]);
for (a = 2; a == 2 || vs_total_ac_bits < size[0]; a += a) {
b = blks;
size[0] = 5 * 6 * 4; // EOB
for (j = 0; j < 6 * 5; j++, b++) {
prev = b->prev[0]; prev = b->prev[0];
for (k = b->next[prev]; k < 64; k = b->next[k]) { for (k = b->next[prev]; k < 64; k = b->next[k]) {
if (b->mb[k] < a && b->mb[k] > -a){ if (b->mb[k] < a && b->mb[k] > -a) {
b->next[prev] = b->next[k]; b->next[prev] = b->next[k];
}else{ } else {
size[0] += dv_rl2vlc_size(k - prev - 1, b->mb[k]); size[0] += dv_rl2vlc_size(k - prev - 1, b->mb[k]);
prev = k; prev = k;
} }
} }
} }
@ -399,45 +416,46 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg)
DVwork_chunk *work_chunk = arg; DVwork_chunk *work_chunk = arg;
int mb_index, i, j; int mb_index, i, j;
int mb_x, mb_y, c_offset, linesize, y_stride; int mb_x, mb_y, c_offset, linesize, y_stride;
uint8_t* y_ptr; uint8_t *y_ptr;
uint8_t* dif; uint8_t *dif;
LOCAL_ALIGNED_8(uint8_t, scratch, [128]); LOCAL_ALIGNED_8(uint8_t, scratch, [128]);
EncBlockInfo enc_blks[5*DV_MAX_BPM]; EncBlockInfo enc_blks[5 * DV_MAX_BPM];
PutBitContext pbs[5*DV_MAX_BPM]; PutBitContext pbs[5 * DV_MAX_BPM];
PutBitContext* pb; PutBitContext *pb;
EncBlockInfo* enc_blk; EncBlockInfo *enc_blk;
int vs_bit_size = 0; int vs_bit_size = 0;
int qnos[5] = {15, 15, 15, 15, 15}; /* No quantization */ int qnos[5] = { 15, 15, 15, 15, 15 }; /* No quantization */
int* qnosp = &qnos[0]; int *qnosp = &qnos[0];
dif = &s->buf[work_chunk->buf_offset*80]; dif = &s->buf[work_chunk->buf_offset * 80];
enc_blk = &enc_blks[0]; enc_blk = &enc_blks[0];
for (mb_index = 0; mb_index < 5; mb_index++) { for (mb_index = 0; mb_index < 5; mb_index++) {
dv_calculate_mb_xy(s, work_chunk, mb_index, &mb_x, &mb_y); dv_calculate_mb_xy(s, work_chunk, mb_index, &mb_x, &mb_y);
/* initializing luminance blocks */ /* initializing luminance blocks */
if ((s->sys->pix_fmt == AV_PIX_FMT_YUV420P) || if ((s->sys->pix_fmt == AV_PIX_FMT_YUV420P) ||
(s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) || (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) ||
(s->sys->height >= 720 && mb_y != 134)) { (s->sys->height >= 720 && mb_y != 134)) {
y_stride = s->frame->linesize[0] << 3; y_stride = s->frame->linesize[0] << 3;
} else { } else {
y_stride = 16; y_stride = 16;
} }
y_ptr = s->frame->data[0] + ((mb_y * s->frame->linesize[0] + mb_x) << 3); y_ptr = s->frame->data[0] +
((mb_y * s->frame->linesize[0] + mb_x) << 3);
linesize = s->frame->linesize[0]; linesize = s->frame->linesize[0];
if (s->sys->video_stype == 4) { /* SD 422 */ if (s->sys->video_stype == 4) { /* SD 422 */
vs_bit_size += vs_bit_size +=
dv_init_enc_block(enc_blk+0, y_ptr , linesize, s, 0) + dv_init_enc_block(enc_blk + 0, y_ptr, linesize, s, 0) +
dv_init_enc_block(enc_blk+1, NULL , linesize, s, 0) + dv_init_enc_block(enc_blk + 1, NULL, linesize, s, 0) +
dv_init_enc_block(enc_blk+2, y_ptr + 8 , linesize, s, 0) + dv_init_enc_block(enc_blk + 2, y_ptr + 8, linesize, s, 0) +
dv_init_enc_block(enc_blk+3, NULL , linesize, s, 0); dv_init_enc_block(enc_blk + 3, NULL, linesize, s, 0);
} else { } else {
vs_bit_size += vs_bit_size +=
dv_init_enc_block(enc_blk+0, y_ptr , linesize, s, 0) + dv_init_enc_block(enc_blk + 0, y_ptr, linesize, s, 0) +
dv_init_enc_block(enc_blk+1, y_ptr + 8 , linesize, s, 0) + dv_init_enc_block(enc_blk + 1, y_ptr + 8, linesize, s, 0) +
dv_init_enc_block(enc_blk+2, y_ptr + y_stride, linesize, s, 0) + dv_init_enc_block(enc_blk + 2, y_ptr + y_stride, linesize, s, 0) +
dv_init_enc_block(enc_blk+3, y_ptr + 8 + y_stride, linesize, s, 0); dv_init_enc_block(enc_blk + 3, y_ptr + 8 + y_stride, linesize, s, 0);
} }
enc_blk += 4; enc_blk += 4;
@ -449,23 +467,29 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg)
linesize = s->frame->linesize[j]; linesize = s->frame->linesize[j];
y_stride = (mb_y == 134) ? 8 : (s->frame->linesize[j] << 3); y_stride = (mb_y == 134) ? 8 : (s->frame->linesize[j] << 3);
if (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) { if (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) {
uint8_t* d; uint8_t *d;
uint8_t* b = scratch; uint8_t *b = scratch;
for (i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
d = c_ptr + (linesize << 3); d = c_ptr + (linesize << 3);
b[0] = c_ptr[0]; b[1] = c_ptr[1]; b[2] = c_ptr[2]; b[3] = c_ptr[3]; b[0] = c_ptr[0];
b[4] = d[0]; b[5] = d[1]; b[6] = d[2]; b[7] = d[3]; b[1] = c_ptr[1];
b[2] = c_ptr[2];
b[3] = c_ptr[3];
b[4] = d[0];
b[5] = d[1];
b[6] = d[2];
b[7] = d[3];
c_ptr += linesize; c_ptr += linesize;
b += 16; b += 16;
} }
c_ptr = scratch; c_ptr = scratch;
linesize = 16; linesize = 16;
} }
vs_bit_size += dv_init_enc_block( enc_blk++, c_ptr , linesize, s, 1); vs_bit_size += dv_init_enc_block(enc_blk++, c_ptr, linesize, s, 1);
if (s->sys->bpm == 8) { if (s->sys->bpm == 8)
vs_bit_size += dv_init_enc_block(enc_blk++, c_ptr + y_stride, linesize, s, 1); vs_bit_size += dv_init_enc_block(enc_blk++, c_ptr + y_stride,
} linesize, s, 1);
} }
} }
@ -473,59 +497,60 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg)
dv_guess_qnos(&enc_blks[0], qnosp); dv_guess_qnos(&enc_blks[0], qnosp);
/* DIF encoding process */ /* DIF encoding process */
for (j=0; j<5*s->sys->bpm;) { for (j = 0; j < 5 * s->sys->bpm;) {
int start_mb = j; int start_mb = j;
dif[3] = *qnosp++; dif[3] = *qnosp++;
dif += 4; dif += 4;
/* First pass over individual cells only */ /* First pass over individual cells only */
for (i=0; i<s->sys->bpm; i++, j++) { for (i = 0; i < s->sys->bpm; i++, j++) {
int sz = s->sys->block_sizes[i]>>3; int sz = s->sys->block_sizes[i] >> 3;
init_put_bits(&pbs[j], dif, sz); init_put_bits(&pbs[j], dif, sz);
put_sbits(&pbs[j], 9, ((enc_blks[j].mb[0] >> 3) - 1024 + 2) >> 2); put_sbits(&pbs[j], 9, ((enc_blks[j].mb[0] >> 3) - 1024 + 2) >> 2);
put_bits(&pbs[j], 1, enc_blks[j].dct_mode); put_bits(&pbs[j], 1, enc_blks[j].dct_mode);
put_bits(&pbs[j], 2, enc_blks[j].cno); put_bits(&pbs[j], 2, enc_blks[j].cno);
dv_encode_ac(&enc_blks[j], &pbs[j], &pbs[j+1]); dv_encode_ac(&enc_blks[j], &pbs[j], &pbs[j + 1]);
dif += sz; dif += sz;
} }
/* Second pass over each MB space */ /* Second pass over each MB space */
pb = &pbs[start_mb]; pb = &pbs[start_mb];
for (i=0; i<s->sys->bpm; i++) { for (i = 0; i < s->sys->bpm; i++)
if (enc_blks[start_mb+i].partial_bit_count) if (enc_blks[start_mb + i].partial_bit_count)
pb = dv_encode_ac(&enc_blks[start_mb+i], pb, &pbs[start_mb+s->sys->bpm]); pb = dv_encode_ac(&enc_blks[start_mb + i], pb,
} &pbs[start_mb + s->sys->bpm]);
} }
/* Third and final pass over the whole video segment space */ /* Third and final pass over the whole video segment space */
pb = &pbs[0]; pb = &pbs[0];
for (j=0; j<5*s->sys->bpm; j++) { for (j = 0; j < 5 * s->sys->bpm; j++) {
if (enc_blks[j].partial_bit_count) if (enc_blks[j].partial_bit_count)
pb = dv_encode_ac(&enc_blks[j], pb, &pbs[s->sys->bpm*5]); pb = dv_encode_ac(&enc_blks[j], pb, &pbs[s->sys->bpm * 5]);
if (enc_blks[j].partial_bit_count) if (enc_blks[j].partial_bit_count)
av_log(avctx, AV_LOG_ERROR, "ac bitstream overflow\n"); av_log(avctx, AV_LOG_ERROR, "ac bitstream overflow\n");
} }
for (j=0; j<5*s->sys->bpm; j++) { for (j = 0; j < 5 * s->sys->bpm; j++) {
int pos; int pos;
int size = pbs[j].size_in_bits >> 3; int size = pbs[j].size_in_bits >> 3;
flush_put_bits(&pbs[j]); flush_put_bits(&pbs[j]);
pos = put_bits_count(&pbs[j]) >> 3; pos = put_bits_count(&pbs[j]) >> 3;
if (pos > size) { if (pos > size) {
av_log(avctx, AV_LOG_ERROR, "bitstream written beyond buffer size\n"); av_log(avctx, AV_LOG_ERROR,
return -1; "bitstream written beyond buffer size\n");
} return -1;
memset(pbs[j].buf + pos, 0xff, size - pos); }
memset(pbs[j].buf + pos, 0xff, size - pos);
} }
return 0; return 0;
} }
static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c, static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c,
uint8_t* buf) uint8_t *buf)
{ {
/* /*
* Here's what SMPTE314M says about these two: * Here's what SMPTE314M says about these two:
@ -545,62 +570,66 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c,
* 2. It is not at all clear what STYPE is used for 4:2:0 PAL * 2. It is not at all clear what STYPE is used for 4:2:0 PAL
* compression scheme (if any). * compression scheme (if any).
*/ */
int apt = (c->sys->pix_fmt == AV_PIX_FMT_YUV420P ? 0 : 1); int apt = (c->sys->pix_fmt == AV_PIX_FMT_YUV420P ? 0 : 1);
uint8_t aspect = 0; uint8_t aspect = 0;
if ((int)(av_q2d(c->avctx->sample_aspect_ratio) * c->avctx->width / c->avctx->height * 10) >= 17) /* 16:9 */ if ((int) (av_q2d(c->avctx->sample_aspect_ratio) *
c->avctx->width / c->avctx->height * 10) >= 17) /* 16:9 */
aspect = 0x02; aspect = 0x02;
buf[0] = (uint8_t)pack_id; buf[0] = (uint8_t) pack_id;
switch (pack_id) { switch (pack_id) {
case dv_header525: /* I can't imagine why these two weren't defined as real */ case dv_header525: /* I can't imagine why these two weren't defined as real */
case dv_header625: /* packs in SMPTE314M -- they definitely look like ones */ case dv_header625: /* packs in SMPTE314M -- they definitely look like ones */
buf[1] = 0xf8 | /* reserved -- always 1 */ buf[1] = 0xf8 | /* reserved -- always 1 */
(apt & 0x07); /* APT: Track application ID */ (apt & 0x07); /* APT: Track application ID */
buf[2] = (0 << 7) | /* TF1: audio data is 0 - valid; 1 - invalid */ buf[2] = (0 << 7) | /* TF1: audio data is 0 - valid; 1 - invalid */
(0x0f << 3) | /* reserved -- always 1 */ (0x0f << 3) | /* reserved -- always 1 */
(apt & 0x07); /* AP1: Audio application ID */ (apt & 0x07); /* AP1: Audio application ID */
buf[3] = (0 << 7) | /* TF2: video data is 0 - valid; 1 - invalid */ buf[3] = (0 << 7) | /* TF2: video data is 0 - valid; 1 - invalid */
(0x0f << 3) | /* reserved -- always 1 */ (0x0f << 3) | /* reserved -- always 1 */
(apt & 0x07); /* AP2: Video application ID */ (apt & 0x07); /* AP2: Video application ID */
buf[4] = (0 << 7) | /* TF3: subcode(SSYB) is 0 - valid; 1 - invalid */ buf[4] = (0 << 7) | /* TF3: subcode(SSYB) is 0 - valid; 1 - invalid */
(0x0f << 3) | /* reserved -- always 1 */ (0x0f << 3) | /* reserved -- always 1 */
(apt & 0x07); /* AP3: Subcode application ID */ (apt & 0x07); /* AP3: Subcode application ID */
break; break;
case dv_video_source: case dv_video_source:
buf[1] = 0xff; /* reserved -- always 1 */ buf[1] = 0xff; /* reserved -- always 1 */
buf[2] = (1 << 7) | /* B/W: 0 - b/w, 1 - color */ buf[2] = (1 << 7) | /* B/W: 0 - b/w, 1 - color */
(1 << 6) | /* following CLF is valid - 0, invalid - 1 */ (1 << 6) | /* following CLF is valid - 0, invalid - 1 */
(3 << 4) | /* CLF: color frames ID (see ITU-R BT.470-4) */ (3 << 4) | /* CLF: color frames ID (see ITU-R BT.470-4) */
0xf; /* reserved -- always 1 */ 0xf; /* reserved -- always 1 */
buf[3] = (3 << 6) | /* reserved -- always 1 */ buf[3] = (3 << 6) | /* reserved -- always 1 */
(c->sys->dsf << 5) | /* system: 60fields/50fields */ (c->sys->dsf << 5) | /* system: 60fields/50fields */
c->sys->video_stype; /* signal type video compression */ c->sys->video_stype; /* signal type video compression */
buf[4] = 0xff; /* VISC: 0xff -- no information */ buf[4] = 0xff; /* VISC: 0xff -- no information */
break; break;
case dv_video_control: case dv_video_control:
buf[1] = (0 << 6) | /* Copy generation management (CGMS) 0 -- free */ buf[1] = (0 << 6) | /* Copy generation management (CGMS) 0 -- free */
0x3f; /* reserved -- always 1 */ 0x3f; /* reserved -- always 1 */
buf[2] = 0xc8 | /* reserved -- always b11001xxx */ buf[2] = 0xc8 | /* reserved -- always b11001xxx */
aspect; aspect;
buf[3] = (1 << 7) | /* frame/field flag 1 -- frame, 0 -- field */ buf[3] = (1 << 7) | /* frame/field flag 1 -- frame, 0 -- field */
(1 << 6) | /* first/second field flag 0 -- field 2, 1 -- field 1 */ (1 << 6) | /* first/second field flag 0 -- field 2, 1 -- field 1 */
(1 << 5) | /* frame change flag 0 -- same picture as before, 1 -- different */ (1 << 5) | /* frame change flag 0 -- same picture as before, 1 -- different */
(1 << 4) | /* 1 - interlaced, 0 - noninterlaced */ (1 << 4) | /* 1 - interlaced, 0 - noninterlaced */
0xc; /* reserved -- always b1100 */ 0xc; /* reserved -- always b1100 */
buf[4] = 0xff; /* reserved -- always 1 */ buf[4] = 0xff; /* reserved -- always 1 */
break; break;
default: default:
buf[1] = buf[2] = buf[3] = buf[4] = 0xff; buf[1] =
buf[2] =
buf[3] =
buf[4] = 0xff;
} }
return 5; return 5;
} }
static inline int dv_write_dif_id(enum dv_section_type t, uint8_t chan_num, static inline int dv_write_dif_id(enum dv_section_type t, uint8_t chan_num,
uint8_t seq_num, uint8_t dif_num, uint8_t seq_num, uint8_t dif_num,
uint8_t* buf) uint8_t *buf)
{ {
buf[0] = (uint8_t)t; /* Section type */ buf[0] = (uint8_t) t; /* Section type */
buf[1] = (seq_num << 4) | /* DIF seq number 0-9 for 525/60; 0-11 for 625/50 */ buf[1] = (seq_num << 4) | /* DIF seq number 0-9 for 525/60; 0-11 for 625/50 */
(chan_num << 3) | /* FSC: for 50Mb/s 0 - first channel; 1 - second */ (chan_num << 3) | /* FSC: for 50Mb/s 0 - first channel; 1 - second */
7; /* reserved -- always 1 */ 7; /* reserved -- always 1 */
@ -608,19 +637,16 @@ static inline int dv_write_dif_id(enum dv_section_type t, uint8_t chan_num,
return 3; return 3;
} }
static inline int dv_write_ssyb_id(uint8_t syb_num, uint8_t fr, uint8_t *buf)
static inline int dv_write_ssyb_id(uint8_t syb_num, uint8_t fr, uint8_t* buf)
{ {
if (syb_num == 0 || syb_num == 6) { if (syb_num == 0 || syb_num == 6) {
buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */ buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */
(0 << 4) | /* AP3 (Subcode application ID) */ (0 << 4) | /* AP3 (Subcode application ID) */
0x0f; /* reserved -- always 1 */ 0x0f; /* reserved -- always 1 */
} } else if (syb_num == 11) {
else if (syb_num == 11) {
buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */ buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */
0x7f; /* reserved -- always 1 */ 0x7f; /* reserved -- always 1 */
} } else {
else {
buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */ buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */
(0 << 4) | /* APT (Track application ID) */ (0 << 4) | /* APT (Track application ID) */
0x0f; /* reserved -- always 1 */ 0x0f; /* reserved -- always 1 */
@ -631,7 +657,7 @@ static inline int dv_write_ssyb_id(uint8_t syb_num, uint8_t fr, uint8_t* buf)
return 3; return 3;
} }
static void dv_format_frame(DVVideoContext* c, uint8_t* buf) static void dv_format_frame(DVVideoContext *c, uint8_t *buf)
{ {
int chan, i, j, k; int chan, i, j, k;
@ -641,14 +667,15 @@ static void dv_format_frame(DVVideoContext* c, uint8_t* buf)
/* DV header: 1DIF */ /* DV header: 1DIF */
buf += dv_write_dif_id(dv_sect_header, chan, i, 0, buf); buf += dv_write_dif_id(dv_sect_header, chan, i, 0, buf);
buf += dv_write_pack((c->sys->dsf ? dv_header625 : dv_header525), c, buf); buf += dv_write_pack((c->sys->dsf ? dv_header625 : dv_header525),
c, buf);
buf += 72; /* unused bytes */ buf += 72; /* unused bytes */
/* DV subcode: 2DIFs */ /* DV subcode: 2DIFs */
for (j = 0; j < 2; j++) { for (j = 0; j < 2; j++) {
buf += dv_write_dif_id(dv_sect_subcode, chan, i, j, buf); buf += dv_write_dif_id(dv_sect_subcode, chan, i, j, buf);
for (k = 0; k < 6; k++) for (k = 0; k < 6; k++)
buf += dv_write_ssyb_id(k, (i < c->sys->difseg_size/2), buf) + 5; buf += dv_write_ssyb_id(k, (i < c->sys->difseg_size / 2), buf) + 5;
buf += 29; /* unused bytes */ buf += 29; /* unused bytes */
} }
@ -657,30 +684,29 @@ static void dv_format_frame(DVVideoContext* c, uint8_t* buf)
buf += dv_write_dif_id(dv_sect_vaux, chan, i, j, buf); buf += dv_write_dif_id(dv_sect_vaux, chan, i, j, buf);
buf += dv_write_pack(dv_video_source, c, buf); buf += dv_write_pack(dv_video_source, c, buf);
buf += dv_write_pack(dv_video_control, c, buf); buf += dv_write_pack(dv_video_control, c, buf);
buf += 7*5; buf += 7 * 5;
buf += dv_write_pack(dv_video_source, c, buf); buf += dv_write_pack(dv_video_source, c, buf);
buf += dv_write_pack(dv_video_control, c, buf); buf += dv_write_pack(dv_video_control, c, buf);
buf += 4*5 + 2; /* unused bytes */ buf += 4 * 5 + 2; /* unused bytes */
} }
/* DV Audio/Video: 135 Video DIFs + 9 Audio DIFs */ /* DV Audio/Video: 135 Video DIFs + 9 Audio DIFs */
for (j = 0; j < 135; j++) { for (j = 0; j < 135; j++) {
if (j%15 == 0) { if (j % 15 == 0) {
memset(buf, 0xff, 80); memset(buf, 0xff, 80);
buf += dv_write_dif_id(dv_sect_audio, chan, i, j/15, buf); buf += dv_write_dif_id(dv_sect_audio, chan, i, j / 15, buf);
buf += 77; /* audio control & shuffled PCM audio */ buf += 77; /* audio control & shuffled PCM audio */
} }
buf += dv_write_dif_id(dv_sect_video, chan, i, j, buf); buf += dv_write_dif_id(dv_sect_video, chan, i, j, buf);
buf += 77; /* 1 video macroblock: 1 bytes control buf += 77; /* 1 video macroblock: 1 bytes control
4 * 14 bytes Y 8x8 data * 4 * 14 bytes Y 8x8 data
10 bytes Cr 8x8 data * 10 bytes Cr 8x8 data
10 bytes Cb 8x8 data */ * 10 bytes Cb 8x8 data */
} }
} }
} }
} }
static int dvvideo_encode_frame(AVCodecContext *c, AVPacket *pkt, static int dvvideo_encode_frame(AVCodecContext *c, AVPacket *pkt,
const AVFrame *frame, int *got_packet) const AVFrame *frame, int *got_packet)
{ {
@ -728,6 +754,7 @@ AVCodec ff_dvvideo_encoder = {
.close = dvvideo_encode_close, .close = dvvideo_encode_close,
.capabilities = CODEC_CAP_SLICE_THREADS, .capabilities = CODEC_CAP_SLICE_THREADS,
.pix_fmts = (const enum AVPixelFormat[]) { .pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE
}, },
}; };