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-rw-r--r--libavcodec/h264.c952
1 files changed, 442 insertions, 510 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 5fb303c82f..3068db8d85 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -2,20 +2,20 @@
* H.26L/H.264/AVC/JVT/14496-10/... decoder
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -36,6 +36,7 @@
#include "golomb.h"
#include "mathops.h"
#include "rectangle.h"
+#include "thread.h"
#include "vdpau_internal.h"
#include "libavutil/avassert.h"
@@ -311,317 +312,6 @@ static void chroma_dc_dct_c(DCTELEM *block){
}
#endif
-static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
- uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- int src_x_offset, int src_y_offset,
- qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op,
- int pixel_shift){
- MpegEncContext * const s = &h->s;
- const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
- int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
- const int luma_xy= (mx&3) + ((my&3)<<2);
- uint8_t * src_y = pic->data[0] + ((mx>>2) << pixel_shift) + (my>>2)*h->mb_linesize;
- uint8_t * src_cb, * src_cr;
- int extra_width= h->emu_edge_width;
- int extra_height= h->emu_edge_height;
- int emu=0;
- const int full_mx= mx>>2;
- const int full_my= my>>2;
- const int pic_width = 16*s->mb_width;
- const int pic_height = 16*s->mb_height >> MB_FIELD;
-
- if(mx&7) extra_width -= 3;
- if(my&7) extra_height -= 3;
-
- if( full_mx < 0-extra_width
- || full_my < 0-extra_height
- || full_mx + 16/*FIXME*/ > pic_width + extra_width
- || full_my + 16/*FIXME*/ > pic_height + extra_height){
- s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_y - (2 << pixel_shift) - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
- src_y= s->edge_emu_buffer + (2 << pixel_shift) + 2*h->mb_linesize;
- emu=1;
- }
-
- qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
- if(!square){
- qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
- }
-
- if(CONFIG_GRAY && s->flags&CODEC_FLAG_GRAY) return;
-
- if(MB_FIELD){
- // chroma offset when predicting from a field of opposite parity
- my += 2 * ((s->mb_y & 1) - (pic->reference - 1));
- emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
- }
- src_cb= pic->data[1] + ((mx>>3) << pixel_shift) + (my>>3)*h->mb_uvlinesize;
- src_cr= pic->data[2] + ((mx>>3) << pixel_shift) + (my>>3)*h->mb_uvlinesize;
-
- if(emu){
- s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
- src_cb= s->edge_emu_buffer;
- }
- chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-
- if(emu){
- s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
- src_cr= s->edge_emu_buffer;
- }
- chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-}
-
-static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
- uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- int x_offset, int y_offset,
- qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
- qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
- int list0, int list1, int pixel_shift){
- MpegEncContext * const s = &h->s;
- qpel_mc_func *qpix_op= qpix_put;
- h264_chroma_mc_func chroma_op= chroma_put;
-
- dest_y += (2*x_offset << pixel_shift) + 2*y_offset*h-> mb_linesize;
- dest_cb += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
- dest_cr += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
- x_offset += 8*s->mb_x;
- y_offset += 8*(s->mb_y >> MB_FIELD);
-
- if(list0){
- Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
- mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
- dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_op, chroma_op, pixel_shift);
-
- qpix_op= qpix_avg;
- chroma_op= chroma_avg;
- }
-
- if(list1){
- Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
- mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
- dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_op, chroma_op, pixel_shift);
- }
-}
-
-static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
- uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- int x_offset, int y_offset,
- qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
- h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
- h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
- int list0, int list1, int pixel_shift){
- MpegEncContext * const s = &h->s;
-
- dest_y += (2*x_offset << pixel_shift) + 2*y_offset*h-> mb_linesize;
- dest_cb += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
- dest_cr += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
- x_offset += 8*s->mb_x;
- y_offset += 8*(s->mb_y >> MB_FIELD);
-
- if(list0 && list1){
- /* don't optimize for luma-only case, since B-frames usually
- * use implicit weights => chroma too. */
- uint8_t *tmp_cb = s->obmc_scratchpad;
- uint8_t *tmp_cr = s->obmc_scratchpad + (8 << pixel_shift);
- uint8_t *tmp_y = s->obmc_scratchpad + 8*h->mb_uvlinesize;
- int refn0 = h->ref_cache[0][ scan8[n] ];
- int refn1 = h->ref_cache[1][ scan8[n] ];
-
- mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
- dest_y, dest_cb, dest_cr,
- x_offset, y_offset, qpix_put, chroma_put, pixel_shift);
- mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
- tmp_y, tmp_cb, tmp_cr,
- x_offset, y_offset, qpix_put, chroma_put, pixel_shift);
-
- if(h->use_weight == 2){
- int weight0 = h->implicit_weight[refn0][refn1][s->mb_y&1];
- int weight1 = 64 - weight0;
- luma_weight_avg( dest_y, tmp_y, h-> mb_linesize, 5, weight0, weight1, 0);
- chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
- chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
- }else{
- luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
- h->luma_weight[refn0][0][0] , h->luma_weight[refn1][1][0],
- h->luma_weight[refn0][0][1] + h->luma_weight[refn1][1][1]);
- chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[refn0][0][0][0] , h->chroma_weight[refn1][1][0][0],
- h->chroma_weight[refn0][0][0][1] + h->chroma_weight[refn1][1][0][1]);
- chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[refn0][0][1][0] , h->chroma_weight[refn1][1][1][0],
- h->chroma_weight[refn0][0][1][1] + h->chroma_weight[refn1][1][1][1]);
- }
- }else{
- int list = list1 ? 1 : 0;
- int refn = h->ref_cache[list][ scan8[n] ];
- Picture *ref= &h->ref_list[list][refn];
- mc_dir_part(h, ref, n, square, chroma_height, delta, list,
- dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_put, chroma_put, pixel_shift);
-
- luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
- h->luma_weight[refn][list][0], h->luma_weight[refn][list][1]);
- if(h->use_weight_chroma){
- chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[refn][list][0][0], h->chroma_weight[refn][list][0][1]);
- chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[refn][list][1][0], h->chroma_weight[refn][list][1][1]);
- }
- }
-}
-
-static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
- uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- int x_offset, int y_offset,
- qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
- qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
- h264_weight_func *weight_op, h264_biweight_func *weight_avg,
- int list0, int list1, int pixel_shift){
- if((h->use_weight==2 && list0 && list1
- && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ][h->s.mb_y&1] != 32))
- || h->use_weight==1)
- mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
- x_offset, y_offset, qpix_put, chroma_put,
- weight_op[0], weight_op[3], weight_avg[0],
- weight_avg[3], list0, list1, pixel_shift);
- else
- mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
- x_offset, y_offset, qpix_put, chroma_put, qpix_avg,
- chroma_avg, list0, list1, pixel_shift);
-}
-
-static inline void prefetch_motion(H264Context *h, int list, int pixel_shift){
- /* fetch pixels for estimated mv 4 macroblocks ahead
- * optimized for 64byte cache lines */
- MpegEncContext * const s = &h->s;
- const int refn = h->ref_cache[list][scan8[0]];
- if(refn >= 0){
- const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
- const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
- uint8_t **src= h->ref_list[list][refn].data;
- int off= (mx << pixel_shift) + (my + (s->mb_x&3)*4)*h->mb_linesize + (64 << pixel_shift);
- s->dsp.prefetch(src[0]+off, s->linesize, 4);
- off= ((mx>>1) << pixel_shift) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + (64 << pixel_shift);
- s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
- }
-}
-
-static av_always_inline void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
- qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
- h264_weight_func *weight_op, h264_biweight_func *weight_avg,
- int pixel_shift){
- MpegEncContext * const s = &h->s;
- const int mb_xy= h->mb_xy;
- const int mb_type= s->current_picture.mb_type[mb_xy];
-
- assert(IS_INTER(mb_type));
-
- prefetch_motion(h, 0, pixel_shift);
-
- if(IS_16X16(mb_type)){
- mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
- qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
- weight_op, weight_avg,
- IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
- pixel_shift);
- }else if(IS_16X8(mb_type)){
- mc_part(h, 0, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 0,
- qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
- &weight_op[1], &weight_avg[1],
- IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
- pixel_shift);
- mc_part(h, 8, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 4,
- qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
- &weight_op[1], &weight_avg[1],
- IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),
- pixel_shift);
- }else if(IS_8X16(mb_type)){
- mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
- qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
- &weight_op[2], &weight_avg[2],
- IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
- pixel_shift);
- mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
- qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
- &weight_op[2], &weight_avg[2],
- IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),
- pixel_shift);
- }else{
- int i;
-
- assert(IS_8X8(mb_type));
-
- for(i=0; i<4; i++){
- const int sub_mb_type= h->sub_mb_type[i];
- const int n= 4*i;
- int x_offset= (i&1)<<2;
- int y_offset= (i&2)<<1;
-
- if(IS_SUB_8X8(sub_mb_type)){
- mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
- &weight_op[3], &weight_avg[3],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
- pixel_shift);
- }else if(IS_SUB_8X4(sub_mb_type)){
- mc_part(h, n , 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
- &weight_op[4], &weight_avg[4],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
- pixel_shift);
- mc_part(h, n+2, 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
- qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
- &weight_op[4], &weight_avg[4],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
- pixel_shift);
- }else if(IS_SUB_4X8(sub_mb_type)){
- mc_part(h, n , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
- &weight_op[5], &weight_avg[5],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
- pixel_shift);
- mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
- qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
- &weight_op[5], &weight_avg[5],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
- pixel_shift);
- }else{
- int j;
- assert(IS_SUB_4X4(sub_mb_type));
- for(j=0; j<4; j++){
- int sub_x_offset= x_offset + 2*(j&1);
- int sub_y_offset= y_offset + (j&2);
- mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
- qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
- &weight_op[6], &weight_avg[6],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
- pixel_shift);
- }
- }
- }
- }
-
- prefetch_motion(h, 1, pixel_shift);
-}
-
-#define hl_motion_fn(sh, bits) \
-static av_always_inline void hl_motion_ ## bits(H264Context *h, \
- uint8_t *dest_y, \
- uint8_t *dest_cb, uint8_t *dest_cr, \
- qpel_mc_func (*qpix_put)[16], \
- h264_chroma_mc_func (*chroma_put), \
- qpel_mc_func (*qpix_avg)[16], \
- h264_chroma_mc_func (*chroma_avg), \
- h264_weight_func *weight_op, \
- h264_biweight_func *weight_avg) \
-{ \
- hl_motion(h, dest_y, dest_cb, dest_cr, qpix_put, chroma_put, \
- qpix_avg, chroma_avg, weight_op, weight_avg, sh); \
-}
-hl_motion_fn(0, 8);
-hl_motion_fn(1, 16);
static void free_tables(H264Context *h, int free_rbsp){
int i;
@@ -856,7 +546,7 @@ int ff_h264_decode_extradata(H264Context *h)
cnt = *(p++); // Number of pps
for (i = 0; i < cnt; i++) {
nalsize = AV_RB16(p) + 2;
- if(decode_nal_units(h, p, nalsize) != nalsize) {
+ if(decode_nal_units(h, p, nalsize) < 0) {
av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
return -1;
}
@@ -894,11 +584,12 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx){
ff_h264_decode_init_vlc();
+ h->sps.bit_depth_luma = avctx->bits_per_raw_sample = 8;
h->pixel_shift = 0;
h->sps.bit_depth_luma = avctx->bits_per_raw_sample = 8;
h->thread_context[0] = h;
- h->outputed_poc = INT_MIN;
+ h->outputed_poc = h->next_outputed_poc = INT_MIN;
h->prev_poc_msb= 1<<16;
h->x264_build = -1;
ff_h264_reset_sei(h);
@@ -921,6 +612,125 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx){
return 0;
}
+static void copy_picture_range(Picture **to, Picture **from, int count, MpegEncContext *new_base, MpegEncContext *old_base)
+{
+ int i;
+
+ for (i=0; i<count; i++){
+ to[i] = REBASE_PICTURE(from[i], new_base, old_base);
+ }
+}
+
+static void copy_parameter_set(void **to, void **from, int count, int size)
+{
+ int i;
+
+ for (i=0; i<count; i++){
+ if (to[i] && !from[i]) av_freep(&to[i]);
+ else if (from[i] && !to[i]) to[i] = av_malloc(size);
+
+ if (from[i]) memcpy(to[i], from[i], size);
+ }
+}
+
+static int decode_init_thread_copy(AVCodecContext *avctx){
+ H264Context *h= avctx->priv_data;
+
+ if (!avctx->is_copy) return 0;
+ memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
+ memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
+
+ return 0;
+}
+
+#define copy_fields(to, from, start_field, end_field) memcpy(&to->start_field, &from->start_field, (char*)&to->end_field - (char*)&to->start_field)
+static int decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src){
+ H264Context *h= dst->priv_data, *h1= src->priv_data;
+ MpegEncContext * const s = &h->s, * const s1 = &h1->s;
+ int inited = s->context_initialized, err;
+ int i;
+
+ if(dst == src || !s1->context_initialized) return 0;
+
+ err = ff_mpeg_update_thread_context(dst, src);
+ if(err) return err;
+
+ //FIXME handle width/height changing
+ if(!inited){
+ for(i = 0; i < MAX_SPS_COUNT; i++)
+ av_freep(h->sps_buffers + i);
+
+ for(i = 0; i < MAX_PPS_COUNT; i++)
+ av_freep(h->pps_buffers + i);
+
+ memcpy(&h->s + 1, &h1->s + 1, sizeof(H264Context) - sizeof(MpegEncContext)); //copy all fields after MpegEnc
+ memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
+ memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
+ ff_h264_alloc_tables(h);
+ context_init(h);
+
+ for(i=0; i<2; i++){
+ h->rbsp_buffer[i] = NULL;
+ h->rbsp_buffer_size[i] = 0;
+ }
+
+ h->thread_context[0] = h;
+
+ // frame_start may not be called for the next thread (if it's decoding a bottom field)
+ // so this has to be allocated here
+ h->s.obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize);
+
+ s->dsp.clear_blocks(h->mb);
+ }
+
+ //extradata/NAL handling
+ h->is_avc = h1->is_avc;
+
+ //SPS/PPS
+ copy_parameter_set((void**)h->sps_buffers, (void**)h1->sps_buffers, MAX_SPS_COUNT, sizeof(SPS));
+ h->sps = h1->sps;
+ copy_parameter_set((void**)h->pps_buffers, (void**)h1->pps_buffers, MAX_PPS_COUNT, sizeof(PPS));
+ h->pps = h1->pps;
+
+ //Dequantization matrices
+ //FIXME these are big - can they be only copied when PPS changes?
+ copy_fields(h, h1, dequant4_buffer, dequant4_coeff);
+
+ for(i=0; i<6; i++)
+ h->dequant4_coeff[i] = h->dequant4_buffer[0] + (h1->dequant4_coeff[i] - h1->dequant4_buffer[0]);
+
+ for(i=0; i<2; i++)
+ h->dequant8_coeff[i] = h->dequant8_buffer[0] + (h1->dequant8_coeff[i] - h1->dequant8_buffer[0]);
+
+ h->dequant_coeff_pps = h1->dequant_coeff_pps;
+
+ //POC timing
+ copy_fields(h, h1, poc_lsb, redundant_pic_count);
+
+ //reference lists
+ copy_fields(h, h1, ref_count, intra_gb);
+ copy_fields(h, h1, short_ref, cabac_init_idc);
+
+ copy_picture_range(h->short_ref, h1->short_ref, 32, s, s1);
+ copy_picture_range(h->long_ref, h1->long_ref, 32, s, s1);
+ copy_picture_range(h->delayed_pic, h1->delayed_pic, MAX_DELAYED_PIC_COUNT+2, s, s1);
+
+ h->last_slice_type = h1->last_slice_type;
+
+ if(!s->current_picture_ptr) return 0;
+
+ if(!s->dropable) {
+ ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
+ h->prev_poc_msb = h->poc_msb;
+ h->prev_poc_lsb = h->poc_lsb;
+ }
+ h->prev_frame_num_offset= h->frame_num_offset;
+ h->prev_frame_num = h->frame_num;
+ h->outputed_poc = h->next_outputed_poc;
+
+ return 0;
+}
+
int ff_h264_frame_start(H264Context *h){
MpegEncContext * const s = &h->s;
int i;
@@ -973,11 +783,169 @@ int ff_h264_frame_start(H264Context *h){
s->current_picture_ptr->field_poc[0]=
s->current_picture_ptr->field_poc[1]= INT_MAX;
+
+ h->next_output_pic = NULL;
+
assert(s->current_picture_ptr->long_ref==0);
return 0;
}
+/**
+ * Run setup operations that must be run after slice header decoding.
+ * This includes finding the next displayed frame.
+ *
+ * @param h h264 master context
+ */
+static void decode_postinit(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ Picture *out = s->current_picture_ptr;
+ Picture *cur = s->current_picture_ptr;
+ int i, pics, out_of_order, out_idx;
+
+ s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
+ s->current_picture_ptr->pict_type= s->pict_type;
+
+ if (h->next_output_pic) return;
+
+ if (cur->field_poc[0]==INT_MAX || cur->field_poc[1]==INT_MAX) {
+ //FIXME this allows the next thread to start once we encounter the first field of a PAFF packet
+ //This works if the next packet contains the second field. It does not work if both fields are
+ //in the same packet.
+ //ff_thread_finish_setup(s->avctx);
+ return;
+ }
+
+ cur->interlaced_frame = 0;
+ cur->repeat_pict = 0;
+
+ /* Signal interlacing information externally. */
+ /* Prioritize picture timing SEI information over used decoding process if it exists. */
+
+ if(h->sps.pic_struct_present_flag){
+ switch (h->sei_pic_struct)
+ {
+ case SEI_PIC_STRUCT_FRAME:
+ break;
+ case SEI_PIC_STRUCT_TOP_FIELD:
+ case SEI_PIC_STRUCT_BOTTOM_FIELD:
+ cur->interlaced_frame = 1;
+ break;
+ case SEI_PIC_STRUCT_TOP_BOTTOM:
+ case SEI_PIC_STRUCT_BOTTOM_TOP:
+ if (FIELD_OR_MBAFF_PICTURE)
+ cur->interlaced_frame = 1;
+ else
+ // try to flag soft telecine progressive
+ cur->interlaced_frame = h->prev_interlaced_frame;
+ break;
+ case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
+ case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
+ // Signal the possibility of telecined film externally (pic_struct 5,6)
+ // From these hints, let the applications decide if they apply deinterlacing.
+ cur->repeat_pict = 1;
+ break;
+ case SEI_PIC_STRUCT_FRAME_DOUBLING:
+ // Force progressive here, as doubling interlaced frame is a bad idea.
+ cur->repeat_pict = 2;
+ break;
+ case SEI_PIC_STRUCT_FRAME_TRIPLING:
+ cur->repeat_pict = 4;
+ break;
+ }
+
+ if ((h->sei_ct_type & 3) && h->sei_pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP)
+ cur->interlaced_frame = (h->sei_ct_type & (1<<1)) != 0;
+ }else{
+ /* Derive interlacing flag from used decoding process. */
+ cur->interlaced_frame = FIELD_OR_MBAFF_PICTURE;
+ }
+ h->prev_interlaced_frame = cur->interlaced_frame;
+
+ if (cur->field_poc[0] != cur->field_poc[1]){
+ /* Derive top_field_first from field pocs. */
+ cur->top_field_first = cur->field_poc[0] < cur->field_poc[1];
+ }else{
+ if(cur->interlaced_frame || h->sps.pic_struct_present_flag){
+ /* Use picture timing SEI information. Even if it is a information of a past frame, better than nothing. */
+ if(h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM
+ || h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
+ cur->top_field_first = 1;
+ else
+ cur->top_field_first = 0;
+ }else{
+ /* Most likely progressive */
+ cur->top_field_first = 0;
+ }
+ }
+
+ //FIXME do something with unavailable reference frames
+
+ /* Sort B-frames into display order */
+
+ if(h->sps.bitstream_restriction_flag
+ && s->avctx->has_b_frames < h->sps.num_reorder_frames){
+ s->avctx->has_b_frames = h->sps.num_reorder_frames;
+ s->low_delay = 0;
+ }
+
+ if( s->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT
+ && !h->sps.bitstream_restriction_flag){
+ s->avctx->has_b_frames= MAX_DELAYED_PIC_COUNT;
+ s->low_delay= 0;
+ }
+
+ pics = 0;
+ while(h->delayed_pic[pics]) pics++;
+
+ assert(pics <= MAX_DELAYED_PIC_COUNT);
+
+ h->delayed_pic[pics++] = cur;
+ if(cur->reference == 0)
+ cur->reference = DELAYED_PIC_REF;
+
+ out = h->delayed_pic[0];
+ out_idx = 0;
+ for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && !h->delayed_pic[i]->mmco_reset; i++)
+ if(h->delayed_pic[i]->poc < out->poc){
+ out = h->delayed_pic[i];
+ out_idx = i;
+ }
+ if(s->avctx->has_b_frames == 0 && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset))
+ h->next_outputed_poc= INT_MIN;
+ out_of_order = out->poc < h->next_outputed_poc;
+
+ if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
+ { }
+ else if((out_of_order && pics-1 == s->avctx->has_b_frames && s->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT)
+ || (s->low_delay &&
+ ((h->next_outputed_poc != INT_MIN && out->poc > h->next_outputed_poc + 2)
+ || cur->pict_type == AV_PICTURE_TYPE_B)))
+ {
+ s->low_delay = 0;
+ s->avctx->has_b_frames++;
+ }
+
+ if(out_of_order || pics > s->avctx->has_b_frames){
+ out->reference &= ~DELAYED_PIC_REF;
+ out->owner2 = s; // for frame threading, the owner must be the second field's thread
+ // or else the first thread can release the picture and reuse it unsafely
+ for(i=out_idx; h->delayed_pic[i]; i++)
+ h->delayed_pic[i] = h->delayed_pic[i+1];
+ }
+ if(!out_of_order && pics > s->avctx->has_b_frames){
+ h->next_output_pic = out;
+ if(out_idx==0 && h->delayed_pic[0] && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset)) {
+ h->next_outputed_poc = INT_MIN;
+ } else
+ h->next_outputed_poc = out->poc;
+ }else{
+ av_log(s->avctx, AV_LOG_DEBUG, "no picture\n");
+ }
+
+ ff_thread_finish_setup(s->avctx);
+}
+
static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int simple){
MpegEncContext * const s = &h->s;
uint8_t *top_border;
@@ -1278,9 +1246,12 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, i
if(nnz == 1 && dctcoef_get(h->mb, pixel_shift, i*16))
idct_dc_add(ptr, h->mb + (i*16 << pixel_shift), linesize);
else
- idct_add (ptr, h->mb + (i*16 << pixel_shift), linesize);
- }else
+ idct_add (ptr, h->mb + (i*16<<pixel_shift), linesize);
+ }
+#if CONFIG_SVQ3_DECODER
+ else
ff_svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
+#endif
}
}
}
@@ -1299,24 +1270,19 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, i
dctcoef_set(h->mb, pixel_shift, dc_mapping[i], dctcoef_get(h->mb_luma_dc, pixel_shift, i));
}
}
- }else
+ }
+#if CONFIG_SVQ3_DECODER
+ else
ff_svq3_luma_dc_dequant_idct_c(h->mb, h->mb_luma_dc, s->qscale);
+#endif
}
if(h->deblocking_filter)
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple, pixel_shift);
}else if(is_h264){
- if (pixel_shift) {
- hl_motion_16(h, dest_y, dest_cb, dest_cr,
- s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
- s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
- h->h264dsp.weight_h264_pixels_tab,
- h->h264dsp.biweight_h264_pixels_tab);
- } else
- hl_motion_8(h, dest_y, dest_cb, dest_cr,
- s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
- s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
- h->h264dsp.weight_h264_pixels_tab,
- h->h264dsp.biweight_h264_pixels_tab);
+ ff_hl_motion(h, dest_y, dest_cb, dest_cr,
+ s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
+ s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
+ h->h264dsp.weight_h264_pixels_tab, h->h264dsp.biweight_h264_pixels_tab);
}
@@ -1352,7 +1318,9 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, i
}
}
}
- }else{
+ }
+#if CONFIG_SVQ3_DECODER
+ else{
for(i=0; i<16; i++){
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
uint8_t * const ptr= dest_y + block_offset[i];
@@ -1360,6 +1328,7 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, i
}
}
}
+#endif
}
if((simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) && (h->cbp&0x30)){
@@ -1384,7 +1353,9 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, i
h->h264dsp.h264_idct_add8(dest, block_offset,
h->mb, uvlinesize,
h->non_zero_count_cache);
- }else{
+ }
+#if CONFIG_SVQ3_DECODER
+ else{
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
for(i=16; i<16+8; i++){
@@ -1394,6 +1365,7 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, i
}
}
}
+#endif
}
}
}
@@ -1573,7 +1545,7 @@ static void flush_dpb(AVCodecContext *avctx){
h->delayed_pic[i]->reference= 0;
h->delayed_pic[i]= NULL;
}
- h->outputed_poc= INT_MIN;
+ h->outputed_poc=h->next_outputed_poc= INT_MIN;
h->prev_interlaced_frame = 1;
idr(h);
if(h->s.current_picture_ptr)
@@ -1697,24 +1669,28 @@ static void init_scan_tables(H264Context *h){
}
}
-static void field_end(H264Context *h){
+static void field_end(H264Context *h, int in_setup){
MpegEncContext * const s = &h->s;
AVCodecContext * const avctx= s->avctx;
s->mb_y= 0;
- s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
- s->current_picture_ptr->pict_type= s->pict_type;
+ if (!in_setup && !s->dropable)
+ ff_thread_report_progress((AVFrame*)s->current_picture_ptr, (16*s->mb_height >> FIELD_PICTURE) - 1,
+ s->picture_structure==PICT_BOTTOM_FIELD);
if (CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
ff_vdpau_h264_set_reference_frames(s);
- if(!s->dropable) {
- ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
- h->prev_poc_msb= h->poc_msb;
- h->prev_poc_lsb= h->poc_lsb;
+ if(in_setup || !(avctx->active_thread_type&FF_THREAD_FRAME)){
+ if(!s->dropable) {
+ ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
+ h->prev_poc_msb= h->poc_msb;
+ h->prev_poc_lsb= h->poc_lsb;
+ }
+ h->prev_frame_num_offset= h->frame_num_offset;
+ h->prev_frame_num= h->frame_num;
+ h->outputed_poc = h->next_outputed_poc;
}
- h->prev_frame_num_offset= h->frame_num_offset;
- h->prev_frame_num= h->frame_num;
if (avctx->hwaccel) {
if (avctx->hwaccel->end_frame(avctx) < 0)
@@ -1831,7 +1807,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
if(first_mb_in_slice == 0){ //FIXME better field boundary detection
if(h0->current_slice && FIELD_PICTURE){
- field_end(h);
+ field_end(h, 1);
}
h0->current_slice = 0;
@@ -1900,15 +1876,19 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
if (s->context_initialized
&& ( s->width != s->avctx->width || s->height != s->avctx->height
|| av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {
- if(h != h0)
+ if(h != h0) {
+ av_log_missing_feature(s->avctx, "Width/height changing with threads is", 0);
return -1; // width / height changed during parallelized decoding
+ }
free_tables(h, 0);
flush_dpb(s->avctx);
MPV_common_end(s);
}
if (!s->context_initialized) {
- if(h != h0)
- return -1; // we cant (re-)initialize context during parallel decoding
+ if(h != h0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "we cant (re-)initialize context during parallel decoding\n");
+ return -1;
+ }
avcodec_set_dimensions(s->avctx, s->width, s->height);
s->avctx->sample_aspect_ratio= h->sps.sar;
@@ -1949,30 +1929,41 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt);
- if (MPV_common_init(s) < 0)
+ if (MPV_common_init(s) < 0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "MPV_common_init() failed\n");
return -1;
+ }
s->first_field = 0;
h->prev_interlaced_frame = 1;
init_scan_tables(h);
ff_h264_alloc_tables(h);
- for(i = 1; i < s->avctx->thread_count; i++) {
- H264Context *c;
- c = h->thread_context[i] = av_malloc(sizeof(H264Context));
- memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
- memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
- c->h264dsp = h->h264dsp;
- c->sps = h->sps;
- c->pps = h->pps;
- c->pixel_shift = h->pixel_shift;
- init_scan_tables(c);
- clone_tables(c, h, i);
- }
-
- for(i = 0; i < s->avctx->thread_count; i++)
- if(context_init(h->thread_context[i]) < 0)
+ if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_SLICE)) {
+ if (context_init(h) < 0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed\n");
return -1;
+ }
+ } else {
+ for(i = 1; i < s->avctx->thread_count; i++) {
+ H264Context *c;
+ c = h->thread_context[i] = av_malloc(sizeof(H264Context));
+ memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
+ memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
+ c->h264dsp = h->h264dsp;
+ c->sps = h->sps;
+ c->pps = h->pps;
+ c->pixel_shift = h->pixel_shift;
+ init_scan_tables(c);
+ clone_tables(c, h, i);
+ }
+
+ for(i = 0; i < s->avctx->thread_count; i++)
+ if(context_init(h->thread_context[i]) < 0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed\n");
+ return -1;
+ }
+ }
}
h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
@@ -1993,6 +1984,10 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
h->mb_field_decoding_flag= s->picture_structure != PICT_FRAME;
if(h0->current_slice == 0){
+ if(h->frame_num != h->prev_frame_num &&
+ (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num) < (h->frame_num - h->sps.ref_frame_count))
+ h->prev_frame_num = h->frame_num - h->sps.ref_frame_count - 1;
+
while(h->frame_num != h->prev_frame_num &&
h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){
Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
@@ -2002,6 +1997,8 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
h->prev_frame_num++;
h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;
s->current_picture_ptr->frame_num= h->prev_frame_num;
+ ff_thread_report_progress((AVFrame*)s->current_picture_ptr, INT_MAX, 0);
+ ff_thread_report_progress((AVFrame*)s->current_picture_ptr, INT_MAX, 1);
ff_generate_sliding_window_mmcos(h);
ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
/* Error concealment: if a ref is missing, copy the previous ref in its place.
@@ -2061,9 +2058,13 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
s0->first_field = FIELD_PICTURE;
}
- if((!FIELD_PICTURE || s0->first_field) && ff_h264_frame_start(h) < 0) {
- s0->first_field = 0;
- return -1;
+ if(!FIELD_PICTURE || s0->first_field) {
+ if (ff_h264_frame_start(h) < 0) {
+ s0->first_field = 0;
+ return -1;
+ }
+ } else {
+ ff_release_unused_pictures(s, 0);
}
}
if(h != h0)
@@ -2256,8 +2257,10 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
av_log(s->avctx, AV_LOG_INFO, "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n");
h0->single_decode_warning = 1;
}
- if(h != h0)
- return 1; // deblocking switched inside frame
+ if(h != h0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "deblocking switched inside frame\n");
+ return 1;
+ }
}
}
h->qp_thresh= 15 + 52 - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1]);
@@ -2306,7 +2309,8 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
+(h->ref_list[j][i].reference&3);
}
- h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
+ //FIXME: fix draw_edges+PAFF+frame threads
+ h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE || (!h->sps.frame_mbs_only_flag && s->avctx->active_thread_type&FF_THREAD_FRAME)) ? 0 : 16;
h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
@@ -2628,6 +2632,40 @@ static void predict_field_decoding_flag(H264Context *h){
h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
}
+/**
+ * Draw edges and report progress for the last MB row.
+ */
+static void decode_finish_row(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int top = 16*(s->mb_y >> FIELD_PICTURE);
+ int height = 16 << FRAME_MBAFF;
+ int deblock_border = (16 + 4) << FRAME_MBAFF;
+ int pic_height = 16*s->mb_height >> FIELD_PICTURE;
+
+ if (h->deblocking_filter) {
+ if((top + height) >= pic_height)
+ height += deblock_border;
+
+ top -= deblock_border;
+ }
+
+ if (top >= pic_height || (top + height) < h->emu_edge_height)
+ return;
+
+ height = FFMIN(height, pic_height - top);
+ if (top < h->emu_edge_height) {
+ height = top+height;
+ top = 0;
+ }
+
+ ff_draw_horiz_band(s, top, height);
+
+ if (s->dropable) return;
+
+ ff_thread_report_progress((AVFrame*)s->current_picture_ptr, top + height - 1,
+ s->picture_structure==PICT_BOTTOM_FIELD);
+}
+
static int decode_slice(struct AVCodecContext *avctx, void *arg){
H264Context *h = *(void**)arg;
MpegEncContext * const s = &h->s;
@@ -2683,7 +2721,7 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){
if( ++s->mb_x >= s->mb_width ) {
loop_filter(h, lf_x_start, s->mb_x);
s->mb_x = lf_x_start = 0;
- ff_draw_horiz_band(s, 16*s->mb_y, 16);
+ decode_finish_row(h);
++s->mb_y;
if(FIELD_OR_MBAFF_PICTURE) {
++s->mb_y;
@@ -2723,7 +2761,7 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){
if(++s->mb_x >= s->mb_width){
loop_filter(h, lf_x_start, s->mb_x);
s->mb_x = lf_x_start = 0;
- ff_draw_horiz_band(s, 16*s->mb_y, 16);
+ decode_finish_row(h);
++s->mb_y;
if(FIELD_OR_MBAFF_PICTURE) {
++s->mb_y;
@@ -2733,7 +2771,8 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){
if(s->mb_y >= s->mb_height){
tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
- if(get_bits_count(&s->gb) == s->gb.size_in_bits ) {
+ if( get_bits_count(&s->gb) == s->gb.size_in_bits
+ || get_bits_count(&s->gb) < s->gb.size_in_bits && s->avctx->error_recognition < FF_ER_AGGRESSIVE) {
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
return 0;
@@ -2832,6 +2871,7 @@ static void execute_decode_slices(H264Context *h, int context_count){
hx = h->thread_context[i];
hx->s.error_recognition = avctx->error_recognition;
hx->s.error_count = 0;
+ hx->x264_build= h->x264_build;
}
avctx->execute(avctx, (void *)decode_slice,
@@ -2857,7 +2897,13 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
int context_count = 0;
int next_avc= h->is_avc ? 0 : buf_size;
- h->max_contexts = avctx->thread_count;
+ h->max_contexts = (HAVE_THREADS && (s->avctx->active_thread_type&FF_THREAD_SLICE)) ? avctx->thread_count : 1;
+#if 0
+ int i;
+ for(i=0; i<50; i++){
+ av_log(NULL, AV_LOG_ERROR,"%02X ", buf[i]);
+ }
+#endif
if(!(s->flags2 & CODEC_FLAG2_CHUNKS)){
h->current_slice = 0;
if (!s->first_field)
@@ -2915,7 +2961,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
bit_length= !dst_length ? 0 : (8*dst_length - ff_h264_decode_rbsp_trailing(h, ptr + dst_length - 1));
if(s->avctx->debug&FF_DEBUG_STARTCODE){
- av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", hx->nal_unit_type, buf_index, buf_size, dst_length);
+ av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d/%d at %d/%d length %d\n", hx->nal_unit_type, hx->nal_ref_idc, buf_index, buf_size, dst_length);
}
if (h->is_avc && (nalsize != consumed) && nalsize){
@@ -2946,16 +2992,21 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
if((err = decode_slice_header(hx, h)))
break;
+ s->current_picture_ptr->key_frame |=
+ (hx->nal_unit_type == NAL_IDR_SLICE) ||
+ (h->sei_recovery_frame_cnt >= 0);
+
if (h->current_slice == 1) {
+ if(!(s->flags2 & CODEC_FLAG2_CHUNKS)) {
+ decode_postinit(h);
+ }
+
if (s->avctx->hwaccel && s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0)
return -1;
if(CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
ff_vdpau_h264_picture_start(s);
}
- s->current_picture_ptr->key_frame |=
- (hx->nal_unit_type == NAL_IDR_SLICE) ||
- (h->sei_recovery_frame_cnt >= 0);
if(hx->redundant_pic_count==0
&& (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc)
&& (avctx->skip_frame < AVDISCARD_BIDIR || hx->slice_type_nos!=AV_PICTURE_TYPE_B)
@@ -3008,7 +3059,8 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
init_get_bits(&s->gb, ptr, bit_length);
ff_h264_decode_seq_parameter_set(h);
- if(s->flags& CODEC_FLAG_LOW_DELAY)
+ if(s->flags& CODEC_FLAG_LOW_DELAY ||
+ (h->sps.bitstream_restriction_flag && !h->sps.num_reorder_frames))
s->low_delay=1;
if(avctx->has_b_frames < 2)
@@ -3098,6 +3150,8 @@ static int decode_frame(AVCodecContext *avctx,
Picture *out;
int i, out_idx;
+ s->current_picture_ptr = NULL;
+
//FIXME factorize this with the output code below
out = h->delayed_pic[0];
out_idx = 0;
@@ -3135,143 +3189,18 @@ static int decode_frame(AVCodecContext *avctx,
}
if(!(s->flags2 & CODEC_FLAG2_CHUNKS) || (s->mb_y >= s->mb_height && s->mb_height)){
- Picture *out = s->current_picture_ptr;
- Picture *cur = s->current_picture_ptr;
- int i, pics, out_of_order, out_idx;
- field_end(h);
+ if(s->flags2 & CODEC_FLAG2_CHUNKS) decode_postinit(h);
+
+ field_end(h, 0);
- if (cur->field_poc[0]==INT_MAX || cur->field_poc[1]==INT_MAX) {
+ if (!h->next_output_pic) {
/* Wait for second field. */
*data_size = 0;
} else {
- cur->interlaced_frame = 0;
- cur->repeat_pict = 0;
-
- /* Signal interlacing information externally. */
- /* Prioritize picture timing SEI information over used decoding process if it exists. */
-
- if(h->sps.pic_struct_present_flag){
- switch (h->sei_pic_struct)
- {
- case SEI_PIC_STRUCT_FRAME:
- break;
- case SEI_PIC_STRUCT_TOP_FIELD:
- case SEI_PIC_STRUCT_BOTTOM_FIELD:
- cur->interlaced_frame = 1;
- break;
- case SEI_PIC_STRUCT_TOP_BOTTOM:
- case SEI_PIC_STRUCT_BOTTOM_TOP:
- if (FIELD_OR_MBAFF_PICTURE)
- cur->interlaced_frame = 1;
- else
- // try to flag soft telecine progressive
- cur->interlaced_frame = h->prev_interlaced_frame;
- break;
- case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
- case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
- // Signal the possibility of telecined film externally (pic_struct 5,6)
- // From these hints, let the applications decide if they apply deinterlacing.
- cur->repeat_pict = 1;
- break;
- case SEI_PIC_STRUCT_FRAME_DOUBLING:
- // Force progressive here, as doubling interlaced frame is a bad idea.
- cur->repeat_pict = 2;
- break;
- case SEI_PIC_STRUCT_FRAME_TRIPLING:
- cur->repeat_pict = 4;
- break;
- }
-
- if ((h->sei_ct_type & 3) && h->sei_pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP)
- cur->interlaced_frame = (h->sei_ct_type & (1<<1)) != 0;
- }else{
- /* Derive interlacing flag from used decoding process. */
- cur->interlaced_frame = FIELD_OR_MBAFF_PICTURE;
- }
- h->prev_interlaced_frame = cur->interlaced_frame;
-
- if (cur->field_poc[0] != cur->field_poc[1]){
- /* Derive top_field_first from field pocs. */
- cur->top_field_first = cur->field_poc[0] < cur->field_poc[1];
- }else{
- if(cur->interlaced_frame || h->sps.pic_struct_present_flag){
- /* Use picture timing SEI information. Even if it is a information of a past frame, better than nothing. */
- if(h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM
- || h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
- cur->top_field_first = 1;
- else
- cur->top_field_first = 0;
- }else{
- /* Most likely progressive */
- cur->top_field_first = 0;
- }
- }
-
- //FIXME do something with unavailable reference frames
-
- /* Sort B-frames into display order */
-
- if(h->sps.bitstream_restriction_flag
- && s->avctx->has_b_frames < h->sps.num_reorder_frames){
- s->avctx->has_b_frames = h->sps.num_reorder_frames;
- s->low_delay = 0;
- }
-
- if( s->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT
- && !h->sps.bitstream_restriction_flag){
- s->avctx->has_b_frames= MAX_DELAYED_PIC_COUNT;
- s->low_delay= 0;
- }
-
- pics = 0;
- while(h->delayed_pic[pics]) pics++;
-
- assert(pics <= MAX_DELAYED_PIC_COUNT);
-
- h->delayed_pic[pics++] = cur;
- if(cur->reference == 0)
- cur->reference = DELAYED_PIC_REF;
-
- out = h->delayed_pic[0];
- out_idx = 0;
- for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && !h->delayed_pic[i]->mmco_reset; i++)
- if(h->delayed_pic[i]->poc < out->poc){
- out = h->delayed_pic[i];
- out_idx = i;
- }
- if(s->avctx->has_b_frames == 0 && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset))
- h->outputed_poc= INT_MIN;
- out_of_order = out->poc < h->outputed_poc;
-
- if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
- { }
- else if((out_of_order && pics-1 == s->avctx->has_b_frames && s->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT)
- || (s->low_delay &&
- ((h->outputed_poc != INT_MIN && out->poc > h->outputed_poc + 2)
- || cur->pict_type == AV_PICTURE_TYPE_B)))
- {
- s->low_delay = 0;
- s->avctx->has_b_frames++;
- }
-
- if(out_of_order || pics > s->avctx->has_b_frames){
- out->reference &= ~DELAYED_PIC_REF;
- for(i=out_idx; h->delayed_pic[i]; i++)
- h->delayed_pic[i] = h->delayed_pic[i+1];
- }
- if(!out_of_order && pics > s->avctx->has_b_frames){
- *data_size = sizeof(AVFrame);
-
- if(out_idx==0 && h->delayed_pic[0] && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset)) {
- h->outputed_poc = INT_MIN;
- } else
- h->outputed_poc = out->poc;
- *pict= *(AVFrame*)out;
- }else{
- av_log(avctx, AV_LOG_DEBUG, "no picture\n");
- }
+ *data_size = sizeof(AVFrame);
+ *pict = *(AVFrame*)h->next_output_pic;
}
}
@@ -3531,9 +3460,12 @@ AVCodec ff_h264_decoder = {
ff_h264_decode_end,
decode_frame,
/*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_DELAY |
+ CODEC_CAP_FRAME_THREADS |
CODEC_CAP_SLICE_THREADS,
.flush= flush_dpb,
.long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
+ .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy),
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(decode_update_thread_context),
.profiles = NULL_IF_CONFIG_SMALL(profiles),
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-12 11:52:36 +0000