RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

svq3: eliminate remaining H264Context usage.

This commit is contained in:
Anton Khirnov 2016-03-23 13:23:55 +01:00
parent 7bbdae81e8
commit a4d126dc59
1 changed files with 33 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

89
libavcodec/svq3.c
View File

@ -47,8 +47,6 @@
#include "avcodec.h"
#include "mpegutils.h"
#include "h264.h"
#include "h264_mvpred.h"
#include "h264data.h"
#include "golomb.h"
#include "hpeldsp.h"
#include "mathops.h"
@ -67,7 +65,7 @@
*/
typedef struct SVQ3Context {
H264Context h;
AVCodecContext *avctx;
H264DSPContext h264dsp;
H264PredContext hpc;
@ -100,6 +98,7 @@ typedef struct SVQ3Context {
int prev_frame_num;
enum AVPictureType pict_type;
int low_delay;
int mb_x, mb_y;
int mb_xy;
@ -410,7 +409,6 @@ static inline void svq3_mc_dir_part(SVQ3Context *s,
int mx, int my, int dxy,
int thirdpel, int dir, int avg)
{
H264Context *h = &s->h;
const H264Picture *pic = (dir == 0) ? s->last_pic : s->next_pic;
uint8_t *src, *dest;
int i, emu = 0;
@ -448,7 +446,7 @@ static inline void svq3_mc_dir_part(SVQ3Context *s,
: s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src, linesize,
height);
if (!(h->flags & AV_CODEC_FLAG_GRAY)) {
if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
mx = mx + (mx < (int) x) >> 1;
my = my + (my < (int) y) >> 1;
width = width >> 1;
@ -485,7 +483,6 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,
int dir, int avg)
{
int i, j, k, mx, my, dx, dy, x, y;
H264Context *h = &s->h;
const int part_width = ((size & 5) == 4) ? 4 : 16 >> (size & 1);
const int part_height = 16 >> ((unsigned)(size + 1) / 3);
const int extra_width = (mode == PREDICT_MODE) ? -16 * 6 : 0;
@ -533,7 +530,7 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,
dx = svq3_get_se_golomb(&s->gb_slice);
if (dx == INVALID_VLC || dy == INVALID_VLC) {
av_log(h->avctx, AV_LOG_ERROR, "invalid MV vlc\n");
av_log(s->avctx, AV_LOG_ERROR, "invalid MV vlc\n");
return -1;
}
}
@ -616,7 +613,6 @@ static av_always_inline int dctcoef_get(int16_t *mb, int index)
}
static av_always_inline void hl_decode_mb_predict_luma(SVQ3Context *s,
const H264Context *h,
int mb_type,
const int *block_offset,
int linesize,
@ -655,7 +651,7 @@ static av_always_inline void hl_decode_mb_predict_luma(SVQ3Context *s,
}
}
static void hl_decode_mb(SVQ3Context *s, const H264Context *h)
static void hl_decode_mb(SVQ3Context *s)
{
const int mb_x = s->mb_x;
const int mb_y = s->mb_y;
@ -665,7 +661,7 @@ static void hl_decode_mb(SVQ3Context *s, const H264Context *h)
int linesize, uvlinesize;
int i, j;
const int *block_offset = &s->block_offset[0];
const int block_h = 16 >> h->chroma_y_shift;
const int block_h = 16 >> 1;
linesize = s->cur_pic->f->linesize[0];
uvlinesize = s->cur_pic->f->linesize[1];
@ -681,7 +677,7 @@ static void hl_decode_mb(SVQ3Context *s, const H264Context *h)
s->hpc.pred8x8[s->chroma_pred_mode](dest_cb, uvlinesize);
s->hpc.pred8x8[s->chroma_pred_mode](dest_cr, uvlinesize);
hl_decode_mb_predict_luma(s, h, mb_type, block_offset, linesize, dest_y);
hl_decode_mb_predict_luma(s, mb_type, block_offset, linesize, dest_y);
}
hl_decode_mb_idct_luma(s, mb_type, block_offset, linesize, dest_y);
@ -705,7 +701,6 @@ static void hl_decode_mb(SVQ3Context *s, const H264Context *h)
static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
{
H264Context *h = &s->h;
int i, j, k, m, dir, mode;
int cbp = 0;
uint32_t vlc;
@ -846,7 +841,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
vlc = svq3_get_ue_golomb(&s->gb_slice);
if (vlc >= 25) {
av_log(h->avctx, AV_LOG_ERROR,
av_log(s->avctx, AV_LOG_ERROR,
"luma prediction:%"PRIu32"\n", vlc);
return -1;
}
@ -858,7 +853,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
left[2] = svq3_pred_1[top[1] + 1][left[1] + 1][svq3_pred_0[vlc][1]];
if (left[1] == -1 || left[2] == -1) {
av_log(h->avctx, AV_LOG_ERROR, "weird prediction\n");
av_log(s->avctx, AV_LOG_ERROR, "weird prediction\n");
return -1;
}
}
@ -874,7 +869,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
if (mb_type == 8) {
ff_h264_check_intra4x4_pred_mode(s->intra4x4_pred_mode_cache,
h->avctx, s->top_samples_available,
s->avctx, s->top_samples_available,
s->left_samples_available);
s->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
@ -892,9 +887,9 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
dir = ff_h264_i_mb_type_info[mb_type - 8].pred_mode;
dir = (dir >> 1) ^ 3 * (dir & 1) ^ 1;
if ((s->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, s->top_samples_available,
if ((s->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(s->avctx, s->top_samples_available,
s->left_samples_available, dir, 0)) < 0) {
av_log(h->avctx, AV_LOG_ERROR, "ff_h264_check_intra_pred_mode < 0\n");
av_log(s->avctx, AV_LOG_ERROR, "ff_h264_check_intra_pred_mode < 0\n");
return s->intra16x16_pred_mode;
}
@ -922,7 +917,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
if (!IS_INTRA16x16(mb_type) &&
(!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {
if ((vlc = svq3_get_ue_golomb(&s->gb_slice)) >= 48) {
av_log(h->avctx, AV_LOG_ERROR, "cbp_vlc=%"PRIu32"\n", vlc);
av_log(s->avctx, AV_LOG_ERROR, "cbp_vlc=%"PRIu32"\n", vlc);
return -1;
}
@ -934,7 +929,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
s->qscale += svq3_get_se_golomb(&s->gb_slice);
if (s->qscale > 31u) {
av_log(h->avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale);
av_log(s->avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale);
return -1;
}
}
@ -942,7 +937,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
AV_ZERO128(s->mb_luma_dc[0] + 0);
AV_ZERO128(s->mb_luma_dc[0] + 8);
if (svq3_decode_block(&s->gb_slice, s->mb_luma_dc[0], 0, 1)) {
av_log(h->avctx, AV_LOG_ERROR,
av_log(s->avctx, AV_LOG_ERROR,
"error while decoding intra luma dc\n");
return -1;
}
@ -961,7 +956,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
s->non_zero_count_cache[scan8[k]] = 1;
if (svq3_decode_block(&s->gb_slice, &s->mb[16 * k], index, type)) {
av_log(h->avctx, AV_LOG_ERROR,
av_log(s->avctx, AV_LOG_ERROR,
"error while decoding block\n");
return -1;
}
@ -971,7 +966,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
if ((cbp & 0x30)) {
for (i = 1; i < 3; ++i)
if (svq3_decode_block(&s->gb_slice, &s->mb[16 * 16 * i], 0, 3)) {
av_log(h->avctx, AV_LOG_ERROR,
av_log(s->avctx, AV_LOG_ERROR,
"error while decoding chroma dc block\n");
return -1;
}
@ -983,7 +978,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
s->non_zero_count_cache[scan8[k]] = 1;
if (svq3_decode_block(&s->gb_slice, &s->mb[16 * k], 1, 1)) {
av_log(h->avctx, AV_LOG_ERROR,
av_log(s->avctx, AV_LOG_ERROR,
"error while decoding chroma ac block\n");
return -1;
}
@ -997,7 +992,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
s->cur_pic->mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type))
s->chroma_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, s->top_samples_available,
s->chroma_pred_mode = ff_h264_check_intra_pred_mode(s->avctx, s->top_samples_available,
s->left_samples_available, DC_PRED8x8, 1);
return 0;
@ -1006,7 +1001,6 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
static int svq3_decode_slice_header(AVCodecContext *avctx)
{
SVQ3Context *s = avctx->priv_data;
H264Context *h = &s->h;
const int mb_xy = s->mb_xy;
int i, header;
unsigned slice_id;
@ -1051,7 +1045,7 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
}
if ((slice_id = svq3_get_ue_golomb(&s->gb_slice)) >= 3) {
av_log(h->avctx, AV_LOG_ERROR, "illegal slice type %u \n", slice_id);
av_log(s->avctx, AV_LOG_ERROR, "illegal slice type %u \n", slice_id);
return -1;
}
@ -1115,7 +1109,6 @@ static void init_dequant4_coeff_table(SVQ3Context *s)
static av_cold int svq3_decode_init(AVCodecContext *avctx)
{
SVQ3Context *s = avctx->priv_data;
H264Context *h = &s->h;
int m, x, y;
unsigned char *extradata;
unsigned char *extradata_end;
@ -1138,29 +1131,17 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
if (!s->cur_pic->f || !s->last_pic->f || !s->next_pic->f)
return AVERROR(ENOMEM);
if (ff_h264_decode_init(avctx) < 0)
return -1;
// we will overwrite it later during decoding
av_frame_free(&h->cur_pic.f);
ff_h264dsp_init(&s->h264dsp, 8, 1);
ff_h264_pred_init(&s->hpc, AV_CODEC_ID_SVQ3, 8, 1);
ff_videodsp_init(&s->vdsp, 8);
h->sps.bit_depth_luma = 8;
h->chroma_format_idc = 1;
ff_hpeldsp_init(&s->hdsp, avctx->flags);
ff_tpeldsp_init(&s->tdsp);
h->flags = avctx->flags;
h->picture_structure = PICT_FRAME;
avctx->pix_fmt = AV_PIX_FMT_YUVJ420P;
avctx->color_range = AVCOL_RANGE_JPEG;
h->chroma_x_shift = h->chroma_y_shift = 1;
s->avctx = avctx;
s->halfpel_flag = 1;
s->thirdpel_flag = 1;
s->unknown_flag = 0;
@ -1234,7 +1215,7 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
skip_bits1(&gb);
skip_bits1(&gb);
h->low_delay = get_bits1(&gb);
s->low_delay = get_bits1(&gb);
/* unknown field */
skip_bits1(&gb);
@ -1243,7 +1224,7 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
skip_bits(&gb, 8);
s->unknown_flag = get_bits1(&gb);
avctx->has_b_frames = !h->low_delay;
avctx->has_b_frames = !s->low_delay;
if (s->unknown_flag) {
#if CONFIG_ZLIB
unsigned watermark_width = svq3_get_ue_golomb(&gb);
@ -1381,13 +1362,12 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
{
const uint8_t *buf = avpkt->data;
SVQ3Context *s = avctx->priv_data;
H264Context *h = &s->h;
int buf_size = avpkt->size;
int ret, m, i;
/* special case for last picture */
if (buf_size == 0) {
if (s->next_pic->f->data[0] && !h->low_delay && !s->last_frame_output) {
if (s->next_pic->f->data[0] && !s->low_delay && !s->last_frame_output) {
ret = av_frame_ref(data, s->next_pic->f);
if (ret < 0)
return ret;
@ -1457,7 +1437,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
}
if (avctx->debug & FF_DEBUG_PICT_INFO)
av_log(h->avctx, AV_LOG_DEBUG,
av_log(s->avctx, AV_LOG_DEBUG,
"%c hpel:%d, tpel:%d aqp:%d qp:%d, slice_num:%02X\n",
av_get_picture_type_char(s->pict_type),
s->halfpel_flag, s->thirdpel_flag,
@ -1482,7 +1462,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
s->frame_num_offset += 256;
if (s->frame_num_offset == 0 ||
s->frame_num_offset >= s->prev_frame_num_offset) {
av_log(h->avctx, AV_LOG_ERROR, "error in B-frame picture id\n");
av_log(s->avctx, AV_LOG_ERROR, "error in B-frame picture id\n");
return -1;
}
} else {
@ -1527,26 +1507,26 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
else if (s->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4)
mb_type += 4;
if (mb_type > 33 || svq3_decode_mb(s, mb_type)) {
av_log(h->avctx, AV_LOG_ERROR,
av_log(s->avctx, AV_LOG_ERROR,
"error while decoding MB %d %d\n", s->mb_x, s->mb_y);
return -1;
}
if (mb_type != 0)
hl_decode_mb(s, h);
hl_decode_mb(s);
if (s->pict_type != AV_PICTURE_TYPE_B && !h->low_delay)
if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay)
s->cur_pic->mb_type[s->mb_x + s->mb_y * s->mb_stride] =
(s->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;
}
ff_draw_horiz_band(avctx, s->cur_pic->f,
s->last_pic->f->data[0] ? s->last_pic->f : NULL,
16 * s->mb_y, 16, h->picture_structure, 0,
h->low_delay);
16 * s->mb_y, 16, PICT_FRAME, 0,
s->low_delay);
}
if (s->pict_type == AV_PICTURE_TYPE_B || h->low_delay)
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay)
ret = av_frame_ref(data, s->cur_pic->f);
else if (s->last_pic->f->data[0])
ret = av_frame_ref(data, s->last_pic->f);
@ -1554,7 +1534,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
return ret;
/* Do not output the last pic after seeking. */
if (s->last_pic->f->data[0] || h->low_delay)
if (s->last_pic->f->data[0] || s->low_delay)
*got_frame = 1;
if (s->pict_type != AV_PICTURE_TYPE_B) {
@ -1569,7 +1549,6 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
static av_cold int svq3_decode_end(AVCodecContext *avctx)
{
SVQ3Context *s = avctx->priv_data;
H264Context *h = &s->h;
free_picture(avctx, s->cur_pic);
free_picture(avctx, s->next_pic);
@ -1585,8 +1564,6 @@ static av_cold int svq3_decode_end(AVCodecContext *avctx)
av_freep(&s->edge_emu_buffer);
av_freep(&s->mb2br_xy);
ff_h264_free_context(h);
return 0;
}