mirror of https://git.ffmpeg.org/ffmpeg.git
rv10: K&R formatting cosmetics
Also sort #includes into canonical order. Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
parent
b4d372e091
commit
8c09532672
|
@ -26,18 +26,19 @@
|
|||
*/
|
||||
|
||||
#include "libavutil/imgutils.h"
|
||||
|
||||
#include "avcodec.h"
|
||||
#include "error_resilience.h"
|
||||
#include "h263.h"
|
||||
#include "internal.h"
|
||||
#include "mpegvideo.h"
|
||||
#include "mpeg4video.h"
|
||||
#include "h263.h"
|
||||
|
||||
#define RV_GET_MAJOR_VER(x) ((x) >> 28)
|
||||
#define RV_GET_MINOR_VER(x) (((x) >> 20) & 0xFF)
|
||||
#define RV_GET_MICRO_VER(x) (((x) >> 12) & 0xFF)
|
||||
|
||||
#define DC_VLC_BITS 14 //FIXME find a better solution
|
||||
#define DC_VLC_BITS 14 // FIXME find a better solution
|
||||
|
||||
typedef struct RVDecContext {
|
||||
MpegEncContext m;
|
||||
|
@ -194,18 +195,18 @@ int ff_rv_decode_dc(MpegEncContext *s, int n)
|
|||
code = get_vlc2(&s->gb, rv_dc_lum.table, DC_VLC_BITS, 2);
|
||||
if (code < 0) {
|
||||
/* XXX: I don't understand why they use LONGER codes than
|
||||
necessary. The following code would be completely useless
|
||||
if they had thought about it !!! */
|
||||
* necessary. The following code would be completely useless
|
||||
* if they had thought about it !!! */
|
||||
code = get_bits(&s->gb, 7);
|
||||
if (code == 0x7c) {
|
||||
code = (int8_t)(get_bits(&s->gb, 7) + 1);
|
||||
code = (int8_t) (get_bits(&s->gb, 7) + 1);
|
||||
} else if (code == 0x7d) {
|
||||
code = -128 + get_bits(&s->gb, 7);
|
||||
} else if (code == 0x7e) {
|
||||
if (get_bits1(&s->gb) == 0)
|
||||
code = (int8_t)(get_bits(&s->gb, 8) + 1);
|
||||
code = (int8_t) (get_bits(&s->gb, 8) + 1);
|
||||
else
|
||||
code = (int8_t)(get_bits(&s->gb, 8));
|
||||
code = (int8_t) (get_bits(&s->gb, 8));
|
||||
} else if (code == 0x7f) {
|
||||
skip_bits(&s->gb, 11);
|
||||
code = 1;
|
||||
|
@ -219,7 +220,7 @@ int ff_rv_decode_dc(MpegEncContext *s, int n)
|
|||
if (code < 0) {
|
||||
code = get_bits(&s->gb, 9);
|
||||
if (code == 0x1fc) {
|
||||
code = (int8_t)(get_bits(&s->gb, 7) + 1);
|
||||
code = (int8_t) (get_bits(&s->gb, 7) + 1);
|
||||
} else if (code == 0x1fd) {
|
||||
code = -128 + get_bits(&s->gb, 7);
|
||||
} else if (code == 0x1fe) {
|
||||
|
@ -277,7 +278,7 @@ static int rv10_decode_picture_header(MpegEncContext *s)
|
|||
}
|
||||
}
|
||||
/* if multiple packets per frame are sent, the position at which
|
||||
to display the macroblocks is coded here */
|
||||
* to display the macroblocks is coded here */
|
||||
|
||||
mb_xy = s->mb_x + s->mb_y * s->mb_width;
|
||||
if (show_bits(&s->gb, 12) == 0 || (mb_xy && mb_xy < s->mb_num)) {
|
||||
|
@ -290,7 +291,7 @@ static int rv10_decode_picture_header(MpegEncContext *s)
|
|||
mb_count = s->mb_width * s->mb_height;
|
||||
}
|
||||
skip_bits(&s->gb, 3); /* ignored */
|
||||
s->f_code = 1;
|
||||
s->f_code = 1;
|
||||
s->unrestricted_mv = 1;
|
||||
|
||||
return mb_count;
|
||||
|
@ -304,10 +305,18 @@ static int rv20_decode_picture_header(RVDecContext *rv)
|
|||
|
||||
i = get_bits(&s->gb, 2);
|
||||
switch (i) {
|
||||
case 0: s->pict_type = AV_PICTURE_TYPE_I; break;
|
||||
case 1: s->pict_type = AV_PICTURE_TYPE_I; break; //hmm ...
|
||||
case 2: s->pict_type = AV_PICTURE_TYPE_P; break;
|
||||
case 3: s->pict_type = AV_PICTURE_TYPE_B; break;
|
||||
case 0:
|
||||
s->pict_type = AV_PICTURE_TYPE_I;
|
||||
break;
|
||||
case 1:
|
||||
s->pict_type = AV_PICTURE_TYPE_I;
|
||||
break; // hmm ...
|
||||
case 2:
|
||||
s->pict_type = AV_PICTURE_TYPE_P;
|
||||
break;
|
||||
case 3:
|
||||
s->pict_type = AV_PICTURE_TYPE_B;
|
||||
break;
|
||||
default:
|
||||
av_log(s->avctx, AV_LOG_ERROR, "unknown frame type\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
|
@ -350,10 +359,10 @@ static int rv20_decode_picture_header(RVDecContext *rv)
|
|||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
new_w = 4 * ((uint8_t*)s->avctx->extradata)[6 + 2 * f];
|
||||
new_h = 4 * ((uint8_t*)s->avctx->extradata)[7 + 2 * f];
|
||||
new_w = 4 * ((uint8_t *) s->avctx->extradata)[6 + 2 * f];
|
||||
new_h = 4 * ((uint8_t *) s->avctx->extradata)[7 + 2 * f];
|
||||
} else {
|
||||
new_w = s->orig_width ;
|
||||
new_w = s->orig_width;
|
||||
new_h = s->orig_height;
|
||||
}
|
||||
if (new_w != s->width || new_h != s->height) {
|
||||
|
@ -406,7 +415,8 @@ static int rv20_decode_picture_header(RVDecContext *rv)
|
|||
s->no_rounding = get_bits1(&s->gb);
|
||||
|
||||
if (RV_GET_MINOR_VER(rv->sub_id) <= 1 && s->pict_type == AV_PICTURE_TYPE_B)
|
||||
skip_bits(&s->gb, 5); // binary decoder reads 3+2 bits here but they don't seem to be used
|
||||
// binary decoder reads 3+2 bits here but they don't seem to be used
|
||||
skip_bits(&s->gb, 5);
|
||||
|
||||
s->f_code = 1;
|
||||
s->unrestricted_mv = 1;
|
||||
|
@ -415,18 +425,20 @@ static int rv20_decode_picture_header(RVDecContext *rv)
|
|||
s->loop_filter = 1;
|
||||
|
||||
if (s->avctx->debug & FF_DEBUG_PICT_INFO) {
|
||||
av_log(s->avctx, AV_LOG_INFO, "num:%5d x:%2d y:%2d type:%d qscale:%2d rnd:%d\n",
|
||||
seq, s->mb_x, s->mb_y, s->pict_type, s->qscale, s->no_rounding);
|
||||
av_log(s->avctx, AV_LOG_INFO,
|
||||
"num:%5d x:%2d y:%2d type:%d qscale:%2d rnd:%d\n",
|
||||
seq, s->mb_x, s->mb_y, s->pict_type, s->qscale,
|
||||
s->no_rounding);
|
||||
}
|
||||
|
||||
assert(s->pict_type != AV_PICTURE_TYPE_B || !s->low_delay);
|
||||
|
||||
return s->mb_width*s->mb_height - mb_pos;
|
||||
return s->mb_width * s->mb_height - mb_pos;
|
||||
}
|
||||
|
||||
static av_cold int rv10_decode_init(AVCodecContext *avctx)
|
||||
{
|
||||
RVDecContext *rv = avctx->priv_data;
|
||||
RVDecContext *rv = avctx->priv_data;
|
||||
MpegEncContext *s = &rv->m;
|
||||
static int done = 0;
|
||||
int major_ver, minor_ver, micro_ver, ret;
|
||||
|
@ -441,15 +453,17 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx)
|
|||
|
||||
ff_MPV_decode_defaults(s);
|
||||
|
||||
s->avctx = avctx;
|
||||
s->out_format = FMT_H263;
|
||||
s->codec_id = avctx->codec_id;
|
||||
s->avctx = avctx;
|
||||
s->out_format = FMT_H263;
|
||||
s->codec_id = avctx->codec_id;
|
||||
|
||||
s->orig_width = s->width = avctx->coded_width;
|
||||
s->orig_height = s->height = avctx->coded_height;
|
||||
s->orig_width =
|
||||
s->width = avctx->coded_width;
|
||||
s->orig_height =
|
||||
s->height = avctx->coded_height;
|
||||
|
||||
s->h263_long_vectors = ((uint8_t*)avctx->extradata)[3] & 1;
|
||||
rv->sub_id = AV_RB32((uint8_t*)avctx->extradata + 4);
|
||||
s->h263_long_vectors = ((uint8_t *) avctx->extradata)[3] & 1;
|
||||
rv->sub_id = AV_RB32((uint8_t *) avctx->extradata + 4);
|
||||
|
||||
major_ver = RV_GET_MAJOR_VER(rv->sub_id);
|
||||
minor_ver = RV_GET_MINOR_VER(rv->sub_id);
|
||||
|
@ -475,7 +489,8 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx)
|
|||
|
||||
if (avctx->debug & FF_DEBUG_PICT_INFO) {
|
||||
av_log(avctx, AV_LOG_DEBUG, "ver:%X ver0:%X\n", rv->sub_id,
|
||||
avctx->extradata_size >= 4 ? ((uint32_t*)avctx->extradata)[0] : -1);
|
||||
avctx->extradata_size >= 4 ? ((uint32_t *) avctx->extradata)[0]
|
||||
: -1);
|
||||
}
|
||||
|
||||
avctx->pix_fmt = AV_PIX_FMT_YUV420P;
|
||||
|
@ -508,10 +523,10 @@ static av_cold int rv10_decode_end(AVCodecContext *avctx)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int rv10_decode_packet(AVCodecContext *avctx,
|
||||
const uint8_t *buf, int buf_size, int buf_size2)
|
||||
static int rv10_decode_packet(AVCodecContext *avctx, const uint8_t *buf,
|
||||
int buf_size, int buf_size2)
|
||||
{
|
||||
RVDecContext *rv = avctx->priv_data;
|
||||
RVDecContext *rv = avctx->priv_data;
|
||||
MpegEncContext *s = &rv->m;
|
||||
int mb_count, mb_pos, left, start_mb_x, active_bits_size, ret;
|
||||
|
||||
|
@ -532,14 +547,15 @@ static int rv10_decode_packet(AVCodecContext *avctx,
|
|||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
mb_pos = s->mb_y * s->mb_width + s->mb_x;
|
||||
left = s->mb_width * s->mb_height - mb_pos;
|
||||
left = s->mb_width * s->mb_height - mb_pos;
|
||||
if (mb_count > left) {
|
||||
av_log(s->avctx, AV_LOG_ERROR, "COUNT ERROR\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr == NULL) {
|
||||
if (s->current_picture_ptr) { // FIXME write parser so we always have complete frames?
|
||||
// FIXME write parser so we always have complete frames?
|
||||
if (s->current_picture_ptr) {
|
||||
ff_er_frame_end(&s->er);
|
||||
ff_MPV_frame_end(s);
|
||||
s->mb_x = s->mb_y = s->resync_mb_x = s->resync_mb_y = 0;
|
||||
|
@ -567,9 +583,11 @@ static int rv10_decode_packet(AVCodecContext *avctx,
|
|||
start_mb_x = s->mb_x;
|
||||
s->resync_mb_y = s->mb_y;
|
||||
if (s->h263_aic) {
|
||||
s->y_dc_scale_table = s->c_dc_scale_table = ff_aic_dc_scale_table;
|
||||
s->y_dc_scale_table =
|
||||
s->c_dc_scale_table = ff_aic_dc_scale_table;
|
||||
} else {
|
||||
s->y_dc_scale_table = s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
|
||||
s->y_dc_scale_table =
|
||||
s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
|
||||
}
|
||||
|
||||
if (s->modified_quant)
|
||||
|
@ -618,7 +636,8 @@ static int rv10_decode_packet(AVCodecContext *avctx,
|
|||
}
|
||||
|
||||
if (ret == SLICE_ERROR || active_bits_size < get_bits_count(&s->gb)) {
|
||||
av_log(s->avctx, AV_LOG_ERROR, "ERROR at MB %d %d\n", s->mb_x, s->mb_y);
|
||||
av_log(s->avctx, AV_LOG_ERROR, "ERROR at MB %d %d\n", s->mb_x,
|
||||
s->mb_y);
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
if (s->pict_type != AV_PICTURE_TYPE_B)
|
||||
|
@ -638,7 +657,7 @@ static int rv10_decode_packet(AVCodecContext *avctx,
|
|||
break;
|
||||
}
|
||||
|
||||
ff_er_add_slice(&s->er, start_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y,
|
||||
ff_er_add_slice(&s->er, start_mb_x, s->resync_mb_y, s->mb_x - 1, s->mb_y,
|
||||
ER_MB_END);
|
||||
|
||||
return active_bits_size;
|
||||
|
@ -652,14 +671,13 @@ static int get_slice_offset(AVCodecContext *avctx, const uint8_t *buf, int n)
|
|||
return AV_RL32(buf + n * 8);
|
||||
}
|
||||
|
||||
static int rv10_decode_frame(AVCodecContext *avctx,
|
||||
void *data, int *got_frame,
|
||||
static int rv10_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
|
||||
AVPacket *avpkt)
|
||||
{
|
||||
const uint8_t *buf = avpkt->data;
|
||||
int buf_size = avpkt->size;
|
||||
MpegEncContext *s = avctx->priv_data;
|
||||
AVFrame *pict = data;
|
||||
MpegEncContext *s = avctx->priv_data;
|
||||
AVFrame *pict = data;
|
||||
int i, ret;
|
||||
int slice_count;
|
||||
const uint8_t *slices_hdr = NULL;
|
||||
|
@ -676,7 +694,8 @@ static int rv10_decode_frame(AVCodecContext *avctx,
|
|||
buf_size--;
|
||||
|
||||
if (!slice_count || buf_size <= 8 * slice_count) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid slice count: %d.\n", slice_count);
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid slice count: %d.\n",
|
||||
slice_count);
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue