Merge remote-tracking branch 'newdev/master'
[ffmpeg.git] / libavcodec / mpegvideo.c
index 1c5ff27..dd003b4 100644 (file)
@@ -5,20 +5,20 @@
  *
  * 4MV & hq & B-frame encoding stuff by 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
  */
 
@@ -38,6 +38,7 @@
 #include "msmpeg4.h"
 #include "faandct.h"
 #include "xvmc_internal.h"
+#include "thread.h"
 #include <limits.h>
 
 //#undef NDEBUG
@@ -205,7 +206,7 @@ void ff_copy_picture(Picture *dst, Picture *src){
  */
 static void free_frame_buffer(MpegEncContext *s, Picture *pic)
 {
-    s->avctx->release_buffer(s->avctx, (AVFrame*)pic);
+    ff_thread_release_buffer(s->avctx, (AVFrame*)pic);
     av_freep(&pic->hwaccel_picture_private);
 }
 
@@ -227,7 +228,7 @@ static int alloc_frame_buffer(MpegEncContext *s, Picture *pic)
         }
     }
 
-    r = s->avctx->get_buffer(s->avctx, (AVFrame*)pic);
+    r = ff_thread_get_buffer(s->avctx, (AVFrame*)pic);
 
     if (r<0 || !pic->age || !pic->type || !pic->data[0]) {
         av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %d %d %p)\n", r, pic->age, pic->type, pic->data[0]);
@@ -458,6 +459,81 @@ void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src){
 //STOP_TIMER("update_duplicate_context") //about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads
 }
 
+int ff_mpeg_update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
+{
+    MpegEncContext *s = dst->priv_data, *s1 = src->priv_data;
+
+    if(dst == src || !s1->context_initialized) return 0;
+
+    //FIXME can parameters change on I-frames? in that case dst may need a reinit
+    if(!s->context_initialized){
+        memcpy(s, s1, sizeof(MpegEncContext));
+
+        s->avctx                 = dst;
+        s->picture_range_start  += MAX_PICTURE_COUNT;
+        s->picture_range_end    += MAX_PICTURE_COUNT;
+        s->bitstream_buffer      = NULL;
+        s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0;
+
+        MPV_common_init(s);
+    }
+
+    s->avctx->coded_height  = s1->avctx->coded_height;
+    s->avctx->coded_width   = s1->avctx->coded_width;
+    s->avctx->width         = s1->avctx->width;
+    s->avctx->height        = s1->avctx->height;
+
+    s->coded_picture_number = s1->coded_picture_number;
+    s->picture_number       = s1->picture_number;
+    s->input_picture_number = s1->input_picture_number;
+
+    memcpy(s->picture, s1->picture, s1->picture_count * sizeof(Picture));
+    memcpy(&s->last_picture, &s1->last_picture, (char*)&s1->last_picture_ptr - (char*)&s1->last_picture);
+
+    s->last_picture_ptr     = REBASE_PICTURE(s1->last_picture_ptr,    s, s1);
+    s->current_picture_ptr  = REBASE_PICTURE(s1->current_picture_ptr, s, s1);
+    s->next_picture_ptr     = REBASE_PICTURE(s1->next_picture_ptr,    s, s1);
+
+    memcpy(s->prev_pict_types, s1->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE);
+
+    //Error/bug resilience
+    s->next_p_frame_damaged = s1->next_p_frame_damaged;
+    s->workaround_bugs      = s1->workaround_bugs;
+
+    //MPEG4 timing info
+    memcpy(&s->time_increment_bits, &s1->time_increment_bits, (char*)&s1->shape - (char*)&s1->time_increment_bits);
+
+    //B-frame info
+    s->max_b_frames         = s1->max_b_frames;
+    s->low_delay            = s1->low_delay;
+    s->dropable             = s1->dropable;
+
+    //DivX handling (doesn't work)
+    s->divx_packed          = s1->divx_packed;
+
+    if(s1->bitstream_buffer){
+        if (s1->bitstream_buffer_size + FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size)
+            av_fast_malloc(&s->bitstream_buffer, &s->allocated_bitstream_buffer_size, s1->allocated_bitstream_buffer_size);
+        s->bitstream_buffer_size  = s1->bitstream_buffer_size;
+        memcpy(s->bitstream_buffer, s1->bitstream_buffer, s1->bitstream_buffer_size);
+        memset(s->bitstream_buffer+s->bitstream_buffer_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    }
+
+    //MPEG2/interlacing info
+    memcpy(&s->progressive_sequence, &s1->progressive_sequence, (char*)&s1->rtp_mode - (char*)&s1->progressive_sequence);
+
+    if(!s1->first_field){
+        s->last_pict_type= s1->pict_type;
+        if (s1->current_picture_ptr) s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->quality;
+
+        if(s1->pict_type!=FF_B_TYPE){
+            s->last_non_b_pict_type= s1->pict_type;
+        }
+    }
+
+    return 0;
+}
+
 /**
  * sets the given MpegEncContext to common defaults (same for encoding and decoding).
  * the changed fields will not depend upon the prior state of the MpegEncContext.
@@ -478,6 +554,9 @@ void MPV_common_defaults(MpegEncContext *s){
 
     s->f_code = 1;
     s->b_code = 1;
+
+    s->picture_range_start = 0;
+    s->picture_range_end = MAX_PICTURE_COUNT;
 }
 
 /**
@@ -506,7 +585,8 @@ av_cold int MPV_common_init(MpegEncContext *s)
         return -1;
     }
 
-    if(s->avctx->thread_count > MAX_THREADS || (s->avctx->thread_count > s->mb_height && s->mb_height)){
+    if(s->avctx->active_thread_type&FF_THREAD_SLICE &&
+       (s->avctx->thread_count > MAX_THREADS || (s->avctx->thread_count > s->mb_height && s->mb_height))){
         av_log(s->avctx, AV_LOG_ERROR, "too many threads\n");
         return -1;
     }
@@ -599,8 +679,9 @@ av_cold int MPV_common_init(MpegEncContext *s)
             FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail)
         }
     }
-    FF_ALLOCZ_OR_GOTO(s->avctx, s->picture, MAX_PICTURE_COUNT * sizeof(Picture), fail)
-    for(i = 0; i < MAX_PICTURE_COUNT; i++) {
+    s->picture_count = MAX_PICTURE_COUNT * FFMAX(1, s->avctx->thread_count);
+    FF_ALLOCZ_OR_GOTO(s->avctx, s->picture, s->picture_count * sizeof(Picture), fail)
+    for(i = 0; i < s->picture_count; i++) {
         avcodec_get_frame_defaults((AVFrame *)&s->picture[i]);
     }
 
@@ -660,20 +741,26 @@ av_cold int MPV_common_init(MpegEncContext *s)
     }
 
     s->context_initialized = 1;
-
     s->thread_context[0]= s;
-    threads = s->avctx->thread_count;
 
-    for(i=1; i<threads; i++){
-        s->thread_context[i]= av_malloc(sizeof(MpegEncContext));
-        memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
-    }
+    if (HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_SLICE) {
+        threads = s->avctx->thread_count;
 
-    for(i=0; i<threads; i++){
-        if(init_duplicate_context(s->thread_context[i], s) < 0)
-           goto fail;
-        s->thread_context[i]->start_mb_y= (s->mb_height*(i  ) + s->avctx->thread_count/2) / s->avctx->thread_count;
-        s->thread_context[i]->end_mb_y  = (s->mb_height*(i+1) + s->avctx->thread_count/2) / s->avctx->thread_count;
+        for(i=1; i<threads; i++){
+            s->thread_context[i]= av_malloc(sizeof(MpegEncContext));
+            memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
+        }
+
+        for(i=0; i<threads; i++){
+            if(init_duplicate_context(s->thread_context[i], s) < 0)
+               goto fail;
+            s->thread_context[i]->start_mb_y= (s->mb_height*(i  ) + s->avctx->thread_count/2) / s->avctx->thread_count;
+            s->thread_context[i]->end_mb_y  = (s->mb_height*(i+1) + s->avctx->thread_count/2) / s->avctx->thread_count;
+        }
+    } else {
+        if(init_duplicate_context(s, s) < 0) goto fail;
+        s->start_mb_y = 0;
+        s->end_mb_y   = s->mb_height;
     }
 
     return 0;
@@ -687,12 +774,14 @@ void MPV_common_end(MpegEncContext *s)
 {
     int i, j, k;
 
-    for(i=0; i<s->avctx->thread_count; i++){
-        free_duplicate_context(s->thread_context[i]);
-    }
-    for(i=1; i<s->avctx->thread_count; i++){
-        av_freep(&s->thread_context[i]);
-    }
+    if (HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_SLICE) {
+        for(i=0; i<s->avctx->thread_count; i++){
+            free_duplicate_context(s->thread_context[i]);
+        }
+        for(i=1; i<s->avctx->thread_count; i++){
+            av_freep(&s->thread_context[i]);
+        }
+    } else free_duplicate_context(s);
 
     av_freep(&s->parse_context.buffer);
     s->parse_context.buffer_size=0;
@@ -747,8 +836,8 @@ void MPV_common_end(MpegEncContext *s)
     av_freep(&s->reordered_input_picture);
     av_freep(&s->dct_offset);
 
-    if(s->picture){
-        for(i=0; i<MAX_PICTURE_COUNT; i++){
+    if(s->picture && !s->avctx->is_copy){
+        for(i=0; i<s->picture_count; i++){
             free_picture(s, &s->picture[i]);
         }
     }
@@ -762,7 +851,8 @@ void MPV_common_end(MpegEncContext *s)
     for(i=0; i<3; i++)
         av_freep(&s->visualization_buffer[i]);
 
-    avcodec_default_free_buffers(s->avctx);
+    if(!(s->avctx->active_thread_type&FF_THREAD_FRAME))
+        avcodec_default_free_buffers(s->avctx);
 }
 
 void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3])
@@ -860,14 +950,14 @@ int ff_find_unused_picture(MpegEncContext *s, int shared){
     int i;
 
     if(shared){
-        for(i=0; i<MAX_PICTURE_COUNT; i++){
+        for(i=s->picture_range_start; i<s->picture_range_end; i++){
             if(s->picture[i].data[0]==NULL && s->picture[i].type==0) return i;
         }
     }else{
-        for(i=0; i<MAX_PICTURE_COUNT; i++){
+        for(i=s->picture_range_start; i<s->picture_range_end; i++){
             if(s->picture[i].data[0]==NULL && s->picture[i].type!=0) return i; //FIXME
         }
-        for(i=0; i<MAX_PICTURE_COUNT; i++){
+        for(i=s->picture_range_start; i<s->picture_range_end; i++){
             if(s->picture[i].data[0]==NULL) return i;
         }
     }
@@ -924,7 +1014,7 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
         /* release forgotten pictures */
         /* if(mpeg124/h263) */
         if(!s->encoding){
-            for(i=0; i<MAX_PICTURE_COUNT; i++){
+            for(i=0; i<s->picture_count; i++){
                 if(s->picture[i].data[0] && &s->picture[i] != s->next_picture_ptr && s->picture[i].reference){
                     av_log(avctx, AV_LOG_ERROR, "releasing zombie picture\n");
                     free_frame_buffer(s, &s->picture[i]);
@@ -936,7 +1026,7 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
 
     if(!s->encoding){
         /* release non reference frames */
-        for(i=0; i<MAX_PICTURE_COUNT; i++){
+        for(i=0; i<s->picture_count; i++){
             if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
                 free_frame_buffer(s, &s->picture[i]);
             }
@@ -970,6 +1060,7 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
                 s->current_picture_ptr->top_field_first= (s->picture_structure == PICT_TOP_FIELD) == s->first_field;
         }
         s->current_picture_ptr->interlaced_frame= !s->progressive_frame && !s->progressive_sequence;
+        s->current_picture_ptr->field_picture= s->picture_structure != PICT_FRAME;
     }
 
     s->current_picture_ptr->pict_type= s->pict_type;
@@ -998,6 +1089,8 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
             s->last_picture_ptr= &s->picture[i];
             if(ff_alloc_picture(s, s->last_picture_ptr, 0) < 0)
                 return -1;
+            ff_thread_report_progress((AVFrame*)s->last_picture_ptr, INT_MAX, 0);
+            ff_thread_report_progress((AVFrame*)s->last_picture_ptr, INT_MAX, 1);
         }
         if((s->next_picture_ptr==NULL || s->next_picture_ptr->data[0]==NULL) && s->pict_type==FF_B_TYPE){
             /* Allocate a dummy frame */
@@ -1005,6 +1098,8 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
             s->next_picture_ptr= &s->picture[i];
             if(ff_alloc_picture(s, s->next_picture_ptr, 0) < 0)
                 return -1;
+            ff_thread_report_progress((AVFrame*)s->next_picture_ptr, INT_MAX, 0);
+            ff_thread_report_progress((AVFrame*)s->next_picture_ptr, INT_MAX, 1);
         }
     }
 
@@ -1057,26 +1152,25 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
 void MPV_frame_end(MpegEncContext *s)
 {
     int i;
-    /* draw edge for correct motion prediction if outside */
+    /* redraw edges for the frame if decoding didn't complete */
     //just to make sure that all data is rendered.
     if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){
         ff_xvmc_field_end(s);
-    }else if(!s->avctx->hwaccel
+   }else if((s->error_count || s->encoding)
+       && !s->avctx->hwaccel
        && !(s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
        && s->unrestricted_mv
        && s->current_picture.reference
        && !s->intra_only
        && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
-            s->dsp.draw_edges(s->current_picture.data[0], s->linesize  ,
-                              s->h_edge_pos   , s->v_edge_pos   ,
-                              EDGE_WIDTH  , EDGE_TOP | EDGE_BOTTOM);
-            s->dsp.draw_edges(s->current_picture.data[1], s->uvlinesize,
-                              s->h_edge_pos>>1, s->v_edge_pos>>1,
-                              EDGE_WIDTH/2, EDGE_TOP | EDGE_BOTTOM);
-            s->dsp.draw_edges(s->current_picture.data[2], s->uvlinesize,
-                              s->h_edge_pos>>1, s->v_edge_pos>>1,
-                              EDGE_WIDTH/2, EDGE_TOP | EDGE_BOTTOM);
+        int edges = EDGE_BOTTOM | EDGE_TOP, h = s->v_edge_pos;
+
+            s->dsp.draw_edges(s->current_picture.data[0], s->linesize  , s->h_edge_pos   , h   , EDGE_WIDTH  , edges);
+            s->dsp.draw_edges(s->current_picture.data[1], s->uvlinesize, s->h_edge_pos>>1, h>>1, EDGE_WIDTH/2, edges);
+            s->dsp.draw_edges(s->current_picture.data[2], s->uvlinesize, s->h_edge_pos>>1, h>>1, EDGE_WIDTH/2, edges);
+
     }
+
     emms_c();
 
     s->last_pict_type    = s->pict_type;
@@ -1097,7 +1191,7 @@ void MPV_frame_end(MpegEncContext *s)
 
     if(s->encoding){
         /* release non-reference frames */
-        for(i=0; i<MAX_PICTURE_COUNT; i++){
+        for(i=0; i<s->picture_count; i++){
             if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
                 free_frame_buffer(s, &s->picture[i]);
             }
@@ -1110,6 +1204,10 @@ void MPV_frame_end(MpegEncContext *s)
     memset(&s->current_picture, 0, sizeof(Picture));
 #endif
     s->avctx->coded_frame= (AVFrame*)s->current_picture_ptr;
+
+    if (s->codec_id != CODEC_ID_H264 && s->current_picture.reference) {
+        ff_thread_report_progress((AVFrame*)s->current_picture_ptr, s->mb_height-1, 0);
+    }
 }
 
 /**
@@ -1774,6 +1872,43 @@ static inline void MPV_motion_lowres(MpegEncContext *s,
     }
 }
 
+/**
+ * find the lowest MB row referenced in the MVs
+ */
+int MPV_lowest_referenced_row(MpegEncContext *s, int dir)
+{
+    int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample;
+    int my, off, i, mvs;
+
+    if (s->picture_structure != PICT_FRAME) goto unhandled;
+
+    switch (s->mv_type) {
+        case MV_TYPE_16X16:
+            mvs = 1;
+            break;
+        case MV_TYPE_16X8:
+            mvs = 2;
+            break;
+        case MV_TYPE_8X8:
+            mvs = 4;
+            break;
+        default:
+            goto unhandled;
+    }
+
+    for (i = 0; i < mvs; i++) {
+        my = s->mv[dir][i][1]<<qpel_shift;
+        my_max = FFMAX(my_max, my);
+        my_min = FFMIN(my_min, my);
+    }
+
+    off = (FFMAX(-my_min, my_max) + 63) >> 6;
+
+    return FFMIN(FFMAX(s->mb_y + off, 0), s->mb_height-1);
+unhandled:
+    return s->mb_height-1;
+}
+
 /* put block[] to dest[] */
 static inline void put_dct(MpegEncContext *s,
                            DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale)
@@ -1858,9 +1993,14 @@ void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64],
        /* save DCT coefficients */
        int i,j;
        DCTELEM *dct = &s->current_picture.dct_coeff[mb_xy*64*6];
-       for(i=0; i<6; i++)
-           for(j=0; j<64; j++)
+       av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y);
+       for(i=0; i<6; i++){
+           for(j=0; j<64; j++){
                *dct++ = block[i][s->dsp.idct_permutation[j]];
+               av_log(s->avctx, AV_LOG_DEBUG, "%5d", dct[-1]);
+           }
+           av_log(s->avctx, AV_LOG_DEBUG, "\n");
+       }
     }
 
     s->current_picture.qscale_table[mb_xy]= s->qscale;
@@ -1933,6 +2073,16 @@ void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64],
             /* motion handling */
             /* decoding or more than one mb_type (MC was already done otherwise) */
             if(!s->encoding){
+
+                if(HAVE_PTHREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) {
+                    if (s->mv_dir & MV_DIR_FORWARD) {
+                        ff_thread_await_progress((AVFrame*)s->last_picture_ptr, MPV_lowest_referenced_row(s, 0), 0);
+                    }
+                    if (s->mv_dir & MV_DIR_BACKWARD) {
+                        ff_thread_await_progress((AVFrame*)s->next_picture_ptr, MPV_lowest_referenced_row(s, 1), 0);
+                    }
+                }
+
                 if(lowres_flag){
                     h264_chroma_mc_func *op_pix = s->dsp.put_h264_chroma_pixels_tab;
 
@@ -2097,19 +2247,37 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]){
  * @param h is the normal height, this will be reduced automatically if needed for the last row
  */
 void ff_draw_horiz_band(MpegEncContext *s, int y, int h){
+    const int field_pic= s->picture_structure != PICT_FRAME;
+    if(field_pic){
+        h <<= 1;
+        y <<= 1;
+    }
+
+    if (!s->avctx->hwaccel
+       && !(s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
+       && s->unrestricted_mv
+       && s->current_picture.reference
+       && !s->intra_only
+       && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
+        int sides = 0, edge_h;
+        if (y==0) sides |= EDGE_TOP;
+        if (y + h >= s->v_edge_pos) sides |= EDGE_BOTTOM;
+
+        edge_h= FFMIN(h, s->v_edge_pos - y);
+
+        s->dsp.draw_edges(s->current_picture_ptr->data[0] +  y    *s->linesize  , s->linesize  , s->h_edge_pos   , edge_h   , EDGE_WIDTH  , sides);
+        s->dsp.draw_edges(s->current_picture_ptr->data[1] + (y>>1)*s->uvlinesize, s->uvlinesize, s->h_edge_pos>>1, edge_h>>1, EDGE_WIDTH/2, sides);
+        s->dsp.draw_edges(s->current_picture_ptr->data[2] + (y>>1)*s->uvlinesize, s->uvlinesize, s->h_edge_pos>>1, edge_h>>1, EDGE_WIDTH/2, sides);
+    }
+
+    h= FFMIN(h, s->avctx->height - y);
+
+    if(field_pic && s->first_field && !(s->avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return;
+
     if (s->avctx->draw_horiz_band) {
         AVFrame *src;
-        const int field_pic= s->picture_structure != PICT_FRAME;
         int offset[4];
 
-        h= FFMIN(h, (s->avctx->height>>field_pic) - y);
-
-        if(field_pic && !(s->avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)){
-            h <<= 1;
-            y <<= 1;
-            if(s->first_field) return;
-        }
-
         if(s->pict_type==FF_B_TYPE || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER))
             src= (AVFrame*)s->current_picture_ptr;
         else if(s->last_picture_ptr)
@@ -2175,7 +2343,7 @@ void ff_mpeg_flush(AVCodecContext *avctx){
     if(s==NULL || s->picture==NULL)
         return;
 
-    for(i=0; i<MAX_PICTURE_COUNT; i++){
+    for(i=0; i<s->picture_count; i++){
        if(s->picture[i].data[0] && (   s->picture[i].type == FF_BUFFER_TYPE_INTERNAL
                                     || s->picture[i].type == FF_BUFFER_TYPE_USER))
         free_frame_buffer(s, &s->picture[i]);
@@ -2429,3 +2597,9 @@ void ff_set_qscale(MpegEncContext * s, int qscale)
     s->y_dc_scale= s->y_dc_scale_table[ qscale ];
     s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ];
 }
+
+void MPV_report_decode_progress(MpegEncContext *s)
+{
+    if (s->pict_type != FF_B_TYPE && !s->partitioned_frame)
+        ff_thread_report_progress((AVFrame*)s->current_picture_ptr, s->mb_y, 0);
+}