X-Git-Url: https://git.piment-noir.org/?p=deb_ffmpeg.git;a=blobdiff_plain;f=ffmpeg%2Flibavcodec%2Fmpegvideo_parser.c;fp=ffmpeg%2Flibavcodec%2Fmpegvideo_parser.c;h=0159421b5636a77196d954908871d296b49ed223;hp=44bf26d31f251fc556f64d4768ee115337e97c9a;hb=f6fa7814ccfe3e76514b36cf04f5cd3cb657c8cf;hpb=2ba45a602cbfa7b771effba9b11bb4245c21bc00

diff --git a/ffmpeg/libavcodec/mpegvideo_parser.c b/ffmpeg/libavcodec/mpegvideo_parser.c
index 44bf26d..0159421 100644
--- a/ffmpeg/libavcodec/mpegvideo_parser.c
+++ b/ffmpeg/libavcodec/mpegvideo_parser.c
@@ -70,10 +70,10 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
                     did_set_size=1;
                 }
                 frame_rate_index = buf[3] & 0xf;
-                pc->frame_rate.den = avctx->time_base.den = ff_mpeg12_frame_rate_tab[frame_rate_index].num;
-                pc->frame_rate.num = avctx->time_base.num = ff_mpeg12_frame_rate_tab[frame_rate_index].den;
+                pc->frame_rate = avctx->framerate = ff_mpeg12_frame_rate_tab[frame_rate_index];
                 bit_rate = (buf[4]<<10) | (buf[5]<<2) | (buf[6]>>6);
                 avctx->codec_id = AV_CODEC_ID_MPEG1VIDEO;
+                avctx->ticks_per_frame = 1;
             }
             break;
         case EXT_START_CODE:
@@ -95,9 +95,10 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
                         bit_rate = (bit_rate&0x3FFFF) | (bit_rate_ext << 18);
                         if(did_set_size)
                             ff_set_dimensions(avctx, pc->width, pc->height);
-                        avctx->time_base.den = pc->frame_rate.den * (frame_rate_ext_n + 1) * 2;
-                        avctx->time_base.num = pc->frame_rate.num * (frame_rate_ext_d + 1);
+                        avctx->framerate.num = pc->frame_rate.num * (frame_rate_ext_n + 1);
+                        avctx->framerate.den = pc->frame_rate.den * (frame_rate_ext_d + 1);
                         avctx->codec_id = AV_CODEC_ID_MPEG2VIDEO;
+                        avctx->ticks_per_frame = 2;
                     }
                     break;
                 case 0x8: /* picture coding extension */
@@ -150,6 +151,10 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
         ((avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO && bit_rate != 0x3FFFF) || vbv_delay != 0xFFFF)) {
         avctx->bit_rate = 400*bit_rate;
     }
+#if FF_API_AVCTX_TIMEBASE
+    if (avctx->framerate.num)
+        avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
+#endif
 }
 
 static int mpegvideo_parse(AVCodecParserContext *s,
@@ -178,7 +183,7 @@ static int mpegvideo_parse(AVCodecParserContext *s,
        function should be negligible for uncorrupted streams */
     mpegvideo_extract_headers(s, avctx, buf, buf_size);
     av_dlog(NULL, "pict_type=%d frame_rate=%0.3f repeat_pict=%d\n",
-            s->pict_type, (double)avctx->time_base.den / avctx->time_base.num, s->repeat_pict);
+            s->pict_type, av_q2d(avctx->framerate), s->repeat_pict);
 
     *poutbuf = buf;
     *poutbuf_size = buf_size;