[FFmpeg-devel] [PATCH v4 2/2] avformat/mux: Set AV_PKT_FLAG_KEY for is_intra_only packet

lance.lmwang at gmail.com lance.lmwang at gmail.com
Wed May 6 17:28:14 EEST 2020


On Wed, May 06, 2020 at 10:11:22AM +0200, Marton Balint wrote:
> 
> 
> On Tue, 21 Apr 2020, lance.lmwang at gmail.com wrote:
> 
> > From: Limin Wang <lance.lmwang at gmail.com>
> > 
> > The patch will make audio and subtitle packets be marked as AV_PKT_FLAG_KEY.
> 
> Why the subtitles? Is it possible that the patch description is outdated? I
> don't see from the code how would this apply to subtitles, after all
> is_intra_only only check for audio and video, no?

No, is_intra_only() check for subtitle also. It'll return 0 for audio and video
and not AV_CODEC_PROP_INTRA_ONLY, other will return 1(is_intra).


> 
> Thanks,
> Marton
> 
> > 
> > For audio, it'll caused the audio sample to be sync sample.
> > To verify ref/fate/movenc results:
> > 1. Get the movenc test data
> > [lmwang at vpn ffmpeg]$ libavformat/tests/movenc -w && mkdir -p audio_old && mv *.mp4 audio_old_
> > 
> > After applied the patch:
> > [lmwang at vpn ffmpeg]$ make fate-movenc SAMPLES=../fate-suite
> > [lmwang at vpn ffmpeg]$ libavformat/tests/movenc -w && mkdir -p audio_key && mv *.mp4 audio_key
> > 
> > 2. Get l-smash and build boxdumper
> > https://github.com/l-smash/l-smash.git
> > 
> > 3. dump the box of crc change mp4 and diff -u
> > [lmwang at vpn ffmpeg]$ ../l-smash/cli/boxdumper --box audio_key/non-empty-moov-no-elst.mp4  > audio_key/non-empty-moov-no-elst.log
> > [lmwang at vpn ffmpeg]$ ../l-smash/cli/boxdumper --box audio_old/non-empty-moov-no-elst.mp4  > audio_old/non-empty-moov-no-elst.log
> > [lmwang at vpn ffmpeg]$ diff -u audio_key/non-empty-moov-no-elst.log audio_old/non-empty-moov-no-elst.log
> > -                default_sample_flags = 0x02000000
> > -                    independent
> > -                    sync sample
> > +                default_sample_flags = 0x01010000
> > +                    dependent
> > +                    non-sync sample
> > 
> > 4. have checked the change of crc are caused by default_sample_flags
> > non-empty-moov.mp4, non-empty-moov-elst.mp4,
> > non-empty-moov-no-elst.mp4, empty-moov.mp4, delay-moov-content.mp4,
> > empty-moov-second-frag.mp4, empty-moov-second-frag-discont.mp4,
> > delay-moov-second-frag-discont.mp4, delay-moov-elst-second-frag.mp4
> > etc
> > 
> > 5 For subtitle, it'll effect for tests/ref/fate/binsub-movtextenc and
> > tests/ref/fate/sub2video, that's expecting result for the subtitle is
> > marked as keyframe. Below is the checking result of binsub-movtextenc:
> > 
> > [lmwang at vpn ffmpeg]$ ./ffmpeg -i ../fate-suite/sub/MovText_capability_tester.mp4 -map 0 -scodec mov_text -f mp4 -flags +bitexact -fflags +bitexact -movflags frag_keyframe+empty_moov audio_key/binsub-movtextenc.mp4
> > [lmwang at vpn ffmpeg]$ ./ffmpeg -i ../fate-suite/sub/MovText_capability_tester.mp4 -map 0 -scodec mov_text -f mp4 -flags +bitexact -fflags +bitexact -movflags frag_keyframe+empty_moov audio_old/binsub-movtextenc.mp4
> > [lmwang at vpn ffmpeg]$../l-smash/cli/boxdumper audio_key/binsub-movtextenc.mp4  > audio_key/binsub-movtextenc.log
> > [lmwang at vpn ffmpeg]$../l-smash/cli/boxdumper audio_old/binsub-movtextenc.mp4  > audio_old/binsub-movtextenc.log
> > [lmwang at vpn ffmpeg]$ diff -u audio_key/binsub-movtextenc.log audio_old/binsub-movtextenc.log
> > .... // the key difference is the flag for sync sample
> > -                flags = 0x000701
> > +                flags = 0x000301
> >                     data-offset-present
> >                     sample-duration-present
> >                     sample-size-present
> > -                    sample-flags-present
> >                 sample_count = 6
> > -                data_offset = 188
> > +                data_offset = 164
> >                 sample[0]
> >                     sample_duration = 1570000
> >                     sample_size = 21
> > -                    sample_flags = 0x02000000
> > -                        independent
> > -                        sync sample
> > -                        degradation_priority = 0
> >                 sample[1]
> >                     sample_duration = 510000
> >                     sample_size = 2
> > -                    sample_flags = 0x01010000
> > -                        dependent
> > -                        non-sync sample
> > -                        degradation_priority = 0
> >                 sample[2]
> >                     sample_duration = 1690000
> >                     sample_size = 9
> > -                    sample_flags = 0x02000000
> > -                        independent
> > -                        sync sample
> > -                        degradation_priority = 0
> > 
> > Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> > ---
> > libavformat/internal.h           |  2 +
> > libavformat/mux.c                |  7 +++-
> > tests/ref/fate/binsub-movtextenc |  2 +-
> > tests/ref/fate/movenc            | 50 +++++++++++------------
> > tests/ref/fate/sub2video         | 86 ++++++++++++++++++++--------------------
> > 5 files changed, 77 insertions(+), 70 deletions(-)
> > 
> > diff --git a/libavformat/internal.h b/libavformat/internal.h
> > index 716e42c..c4fac5c 100644
> > --- a/libavformat/internal.h
> > +++ b/libavformat/internal.h
> > @@ -189,6 +189,8 @@ struct AVStreamInternal {
> >      */
> >     int need_context_update;
> > 
> > +    int is_intra_only;
> > +
> >     FFFrac *priv_pts;
> > };
> > 
> > diff --git a/libavformat/mux.c b/libavformat/mux.c
> > index a6253f5..ea6524f 100644
> > --- a/libavformat/mux.c
> > +++ b/libavformat/mux.c
> > @@ -357,6 +357,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
> >         if (desc && desc->props & AV_CODEC_PROP_REORDER)
> >             st->internal->reorder = 1;
> > 
> > +        st->internal->is_intra_only = ff_is_intra_only(par->codec_id);
> > +
> >         if (of->codec_tag) {
> >             if (   par->codec_tag
> >                 && par->codec_id == AV_CODEC_ID_RAWVIDEO
> > @@ -773,6 +775,7 @@ static int check_packet(AVFormatContext *s, AVPacket *pkt)
> > static int prepare_input_packet(AVFormatContext *s, AVPacket *pkt)
> > {
> >     int ret;
> > +    AVStream *st = s->streams[pkt->stream_index];
> > 
> >     ret = check_packet(s, pkt);
> >     if (ret < 0)
> > @@ -781,7 +784,6 @@ static int prepare_input_packet(AVFormatContext *s, AVPacket *pkt)
> > #if !FF_API_COMPUTE_PKT_FIELDS2 || !FF_API_LAVF_AVCTX
> >     /* sanitize the timestamps */
> >     if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
> > -        AVStream *st = s->streams[pkt->stream_index];
> > 
> >         /* when there is no reordering (so dts is equal to pts), but
> >          * only one of them is set, set the other as well */
> > @@ -818,6 +820,9 @@ static int prepare_input_packet(AVFormatContext *s, AVPacket *pkt)
> >         }
> >     }
> > #endif
> > +    /* update flags */
> > +    if (st->internal->is_intra_only)
> > +        pkt->flags |= AV_PKT_FLAG_KEY;
> > 
> >     return 0;
> > }
> > diff --git a/tests/ref/fate/binsub-movtextenc b/tests/ref/fate/binsub-movtextenc
> > index 78c05f4..a8f94b7 100644
> > --- a/tests/ref/fate/binsub-movtextenc
> > +++ b/tests/ref/fate/binsub-movtextenc
> > @@ -1 +1 @@
> > -35adf776cd73e808186ae7124445f4b8
> > +fc6d07679ac1f718aa50de687924cd97
> > diff --git a/tests/ref/fate/movenc b/tests/ref/fate/movenc
> > index 637a347..fb39b98 100644
> > --- a/tests/ref/fate/movenc
> > +++ b/tests/ref/fate/movenc
> > @@ -2,17 +2,17 @@ write_data len 36, time nopts, type header atom ftyp
> > write_data len 2389, time nopts, type header atom -
> > write_data len 788, time 1000000, type sync atom moof
> > write_data len 110, time nopts, type trailer atom -
> > -66cf48604f039aa9a51711786f5c8778 3323 non-empty-moov
> > +5f401347fc3c771b819e2449d69d4861 3323 non-empty-moov
> > write_data len 36, time nopts, type header atom ftyp
> > write_data len 2721, time nopts, type header atom -
> > write_data len 908, time 966667, type sync atom moof
> > write_data len 110, time nopts, type trailer atom -
> > -04b2e86f455af94f9258b8d66dbf71f5 3775 non-empty-moov-elst
> > +4267feee527adf8cd4f7b36ac0fc0872 3775 non-empty-moov-elst
> > write_data len 36, time nopts, type header atom ftyp
> > write_data len 2629, time nopts, type header atom -
> > write_data len 908, time 1000000, type sync atom moof
> > write_data len 110, time nopts, type trailer atom -
> > -e9f6fa032d6d8265d67aef5de81a48bf 3683 non-empty-moov-no-elst
> > +44077b9ad45f3e16fafe4e5ada54e9b0 3683 non-empty-moov-no-elst
> > write_data len 24, time nopts, type header atom ftyp
> > write_data len 1171, time nopts, type header atom -
> > write_data len 728, time 0, type sync atom moof
> > @@ -20,35 +20,35 @@ write_data len 828, time nopts, type unknown atom -
> > write_data len 728, time 999999, type sync atom moof
> > write_data len 812, time nopts, type unknown atom -
> > write_data len 148, time nopts, type trailer atom -
> > -da105e0b2c19079519c6eed7d5a1151c 4439 ismv
> > +92ce825ff40505ec8676191705adb7e7 4439 ismv
> > write_data len 36, time nopts, type header atom ftyp
> > write_data len 1123, time nopts, type header atom -
> > write_data len 796, time 0, type sync atom moof
> > write_data len 788, time 1000000, type sync atom moof
> > write_data len 148, time nopts, type trailer atom -
> > -e6a4b15443d006efd727a80f6624b7db 2891 empty-moov
> > +08f4b3ad3a3ea224b2ee731476b9056b 2891 empty-moov
> > write_data len 36, time nopts, type header atom ftyp
> > write_data len 1123, time nopts, type header atom -
> > write_data len 1068, time 0, type sync atom moof
> > write_data len 908, time 1000000, type sync atom moof
> > write_data len 148, time nopts, type trailer atom -
> > -800f854aff2ac76dfaddebd0562c75b9 3283 empty-moov-no-elst
> > +d7a2dcb43eb0f95f92669f55fc7adeba 3283 empty-moov-no-elst
> > write_data len 36, time nopts, type header atom ftyp
> > write_data len 1123, time nopts, type header atom -
> > write_data len 900, time -33333, type sync atom moof
> > write_data len 908, time 966667, type sync atom moof
> > write_data len 148, time nopts, type trailer atom -
> > -eca1a945c9063dab0858af6b85925533 3115 empty-moov-no-elst-no-adjust
> > +ea70ca697306976879be408431c27aee 3115 empty-moov-no-elst-no-adjust
> > write_data len 1159, time nopts, type header atom ftyp
> > write_data len 796, time 0, type sync atom moof
> > write_data len 788, time 1000000, type sync atom moof
> > write_data len 148, time nopts, type trailer atom -
> > -e6a4b15443d006efd727a80f6624b7db 2891 delay-moov
> > +08f4b3ad3a3ea224b2ee731476b9056b 2891 delay-moov
> > write_data len 1231, time nopts, type header atom ftyp
> > write_data len 916, time -33333, type sync atom moof
> > write_data len 908, time 966667, type sync atom moof
> > write_data len 148, time nopts, type trailer atom -
> > -c2ecdbc80668fcee73f5a039e2dba579 3203 delay-moov-elst
> > +314cc3b6296f4ee583b328a34be50b2f 3203 delay-moov-elst
> > write_data len 1195, time nopts, type header atom ftyp
> > write_data len 836, time 0, type sync atom moof
> > write_data len 67, time nopts, type trailer atom -
> > @@ -63,66 +63,66 @@ write_data len 1123, time nopts, type header atom -
> > 351ae2c8b6d35d98b4848c309cce6704 1159 empty-moov-header
> > write_data len 796, time 0, type sync atom moof
> > write_data len 788, time 1000000, type sync atom moof
> > -a0165f4a26a409212b0946e981bdefb9 1584 empty-moov-content
> > +289ee982188d66988a374a462b0b5376 1584 empty-moov-content
> > write_data len 148, time nopts, type trailer atom -
> > write_data len 1159, time nopts, type header atom ftyp
> > 351ae2c8b6d35d98b4848c309cce6704 1159 delay-moov-header
> > write_data len 796, time 0, type sync atom moof
> > write_data len 788, time 1000000, type sync atom moof
> > -a0165f4a26a409212b0946e981bdefb9 1584 delay-moov-content
> > +289ee982188d66988a374a462b0b5376 1584 delay-moov-content
> > write_data len 148, time nopts, type trailer atom -
> > write_data len 28, time nopts, type header atom -
> > write_data len 1123, time nopts, type header atom -
> > write_data len 884, time 0, type sync atom sidx
> > write_data len 876, time 1000000, type sync atom sidx
> > -272a474cfd2a68cc5f05b426b14a2b7d 876 empty-moov-second-frag
> > +c0307f99a2a362205b7e3d65b1066f86 876 empty-moov-second-frag
> > write_data len 148, time nopts, type trailer atom -
> > write_data len 28, time nopts, type header atom -
> > write_data len 1123, time nopts, type header atom -
> > write_data len 876, time 1000000, type sync atom sidx
> > -272a474cfd2a68cc5f05b426b14a2b7d 876 empty-moov-second-frag-discont
> > +c0307f99a2a362205b7e3d65b1066f86 876 empty-moov-second-frag-discont
> > write_data len 110, time nopts, type trailer atom -
> > write_data len 1223, time nopts, type header atom -
> > write_data len 876, time 1000000, type sync atom sidx
> > -272a474cfd2a68cc5f05b426b14a2b7d 876 delay-moov-second-frag-discont
> > +c0307f99a2a362205b7e3d65b1066f86 876 delay-moov-second-frag-discont
> > write_data len 110, time nopts, type trailer atom -
> > write_data len 1223, time nopts, type header atom ftyp
> > b3811928793ed0749927eb2f7958421c 1223 delay-moov-elst-init
> > write_data len 988, time -33333, type sync atom sidx
> > write_data len 996, time 966667, type sync atom sidx
> > -fcae8f40e015b59aabc8d4a99a759ca1 996 delay-moov-elst-second-frag
> > +0df125407c7e81978ce722e0ae4f6f84 996 delay-moov-elst-second-frag
> > write_data len 148, time nopts, type trailer atom -
> > write_data len 1223, time nopts, type header atom ftyp
> > b3811928793ed0749927eb2f7958421c 1223 delay-moov-elst-init-discont
> > write_data len 996, time 966667, type sync atom sidx
> > -fcae8f40e015b59aabc8d4a99a759ca1 996 delay-moov-elst-second-frag-discont
> > +0df125407c7e81978ce722e0ae4f6f84 996 delay-moov-elst-second-frag-discont
> > write_data len 110, time nopts, type trailer atom -
> > write_data len 1223, time nopts, type header atom ftyp
> > 041ac8efc35a0d023c26d05eedb20403 1223 delay-moov-elst-signal-init
> > write_data len 1004, time -33333, type sync atom sidx
> > write_data len 996, time 966667, type sync atom sidx
> > -aa5462cc0d2144f72154d9c309edb57d 996 delay-moov-elst-signal-second-frag
> > +5a583d89318827d2569eecbeaa18c238 996 delay-moov-elst-signal-second-frag
> > write_data len 148, time nopts, type trailer atom -
> > write_data len 1223, time nopts, type header atom ftyp
> > 041ac8efc35a0d023c26d05eedb20403 1223 delay-moov-elst-signal-init-discont
> > write_data len 996, time 966667, type sync atom sidx
> > -aa5462cc0d2144f72154d9c309edb57d 996 delay-moov-elst-signal-second-frag-discont
> > +5a583d89318827d2569eecbeaa18c238 996 delay-moov-elst-signal-second-frag-discont
> > write_data len 110, time nopts, type trailer atom -
> > write_data len 1247, time nopts, type header atom ftyp
> > 80511a51d1ac9cde62337eed7176ae03 1247 delay-moov-elst-signal-init-discont-largets
> > write_data len 996, time 279621233333, type sync atom sidx
> > -41cac4c3df656a87bb38363fdcd745e6 996 delay-moov-elst-signal-second-frag-discont-largets
> > +dc695d65e8a0cdafee28acd8a5ccf81a 996 delay-moov-elst-signal-second-frag-discont-largets
> > write_data len 110, time nopts, type trailer atom -
> > write_data len 1223, time nopts, type header atom ftyp
> > write_data len 2572, time -333333, type sync atom sidx
> > write_data len 996, time 5166667, type sync atom sidx
> > write_data len 148, time nopts, type trailer atom -
> > -c3eb39921c90724784d1ab84fac58b34 4939 vfr
> > +d37a7eda807912b9ed05ccfe003a9e4f 4939 vfr
> > write_data len 1223, time nopts, type header atom ftyp
> > write_data len 2572, time -333333, type sync atom sidx
> > write_data len 996, time 5166667, type sync atom sidx
> > write_data len 148, time nopts, type trailer atom -
> > -c3eb39921c90724784d1ab84fac58b34 4939 vfr-noduration
> > +d37a7eda807912b9ed05ccfe003a9e4f 4939 vfr-noduration
> > write_data len 1231, time nopts, type header atom ftyp
> > write_data len 1500, time -333333, type sync atom moof
> > write_data len 1500, time nopts, type unknown atom -
> > @@ -131,7 +131,7 @@ write_data len 1500, time 9666667, type sync atom moof
> > write_data len 1500, time nopts, type unknown atom -
> > write_data len 1004, time nopts, type unknown atom -
> > write_data len 148, time nopts, type trailer atom -
> > -5bde1358e246e715b2096daa321c9f1b 9299 large_frag
> > +08b6401dc81912e5264245b7233c4ab3 9299 large_frag
> > write_data len 1231, time nopts, type header atom ftyp
> > write_data len 684, time -33333, type sync atom moof
> > write_data len 504, time 800000, type boundary atom moof
> > @@ -139,15 +139,15 @@ write_data len 420, time 1266667, type boundary atom moof
> > write_data len 668, time 1566667, type sync atom moof
> > write_data len 440, time 2233333, type boundary atom moof
> > write_data len 262, time nopts, type trailer atom -
> > -47cc2460c4b18390c67991cf3251409b 4209 vfr-noduration-interleave
> > +a5d087611a9229ba91eb0964cf2f17d9 4209 vfr-noduration-interleave
> > write_data len 1231, time nopts, type header atom ftyp
> > write_data len 916, time 0, type sync atom moof
> > write_data len 908, time 1000000, type sync atom moof
> > write_data len 148, time nopts, type trailer atom -
> > -c200a345c365dd35a31e7e62a9ae6c10 3203 delay-moov-elst-neg-cts
> > +d81c3a0ce5940a2db74c99ad435e0560 3203 delay-moov-elst-neg-cts
> > write_data len 36, time nopts, type header atom ftyp
> > write_data len 1123, time nopts, type header atom -
> > write_data len 900, time 0, type sync atom moof
> > write_data len 908, time 1000000, type sync atom moof
> > write_data len 148, time nopts, type trailer atom -
> > -868bb53d861d81b1c15ef4d59afc83b5 3115 empty-moov-neg-cts
> > +3be575022e446855bca1e45b7942cc0c 3115 empty-moov-neg-cts
> > diff --git a/tests/ref/fate/sub2video b/tests/ref/fate/sub2video
> > index 4e034a5..80abe9c 100644
> > --- a/tests/ref/fate/sub2video
> > +++ b/tests/ref/fate/sub2video
> > @@ -10,7 +10,7 @@
> > 0,          0,          0,        1,   518400, 0x83c27b82
> > 0,          1,          1,        1,   518400, 0x4051c7f9
> > 0,          2,          2,        1,   518400, 0xfb00e17e
> > -1,     499000,     499000,  4960000,     1015, 0x19e092d2, F=0x0
> > +1,     499000,     499000,  4960000,     1015, 0x19e092d2
> > 0,          3,          3,        1,   518400, 0x192abb74
> > 0,          4,          4,        1,   518400, 0x4669a88b
> > 0,          5,          5,        1,   518400, 0xaababe00
> > @@ -58,129 +58,129 @@
> > 0,         47,         47,        1,   518400, 0xde69683f
> > 0,         48,         48,        1,   518400, 0x7df08fba
> > 0,         49,         49,        1,   518400, 0xbab197ea
> > -1,   15355000,   15355000,  4733000,     2094, 0x3c171425, F=0x0
> > +1,   15355000,   15355000,  4733000,     2094, 0x3c171425
> > 0,         77,         77,        1,   518400, 0x902285d9
> > 0,        100,        100,        1,   518400, 0xbab197ea
> > -1,   48797000,   48797000,  2560000,     2480, 0x7c0edf21, F=0x0
> > +1,   48797000,   48797000,  2560000,     2480, 0x7c0edf21
> > 0,        244,        244,        1,   518400, 0x7a11c812
> > 0,        257,        257,        1,   518400, 0xbab197ea
> > -1,   51433000,   51433000,  2366000,     3059, 0xc95b8a05, F=0x0
> > +1,   51433000,   51433000,  2366000,     3059, 0xc95b8a05
> > 0,        258,        258,        1,   518400, 0x34cdddee
> > 0,        269,        269,        1,   518400, 0xbab197ea
> > -1,   53910000,   53910000,  2696000,     2095, 0x61bb15ed, F=0x0
> > +1,   53910000,   53910000,  2696000,     2095, 0x61bb15ed
> > 0,        270,        270,        1,   518400, 0x4db4ce51
> > 0,        283,        283,        1,   518400, 0xbab197ea
> > -1,   56663000,   56663000,  1262000,     1013, 0xc9ae89b7, F=0x0
> > +1,   56663000,   56663000,  1262000,     1013, 0xc9ae89b7
> > 0,        284,        284,        1,   518400, 0xe6bc0ea9
> > 0,        290,        290,        1,   518400, 0xbab197ea
> > -1,   58014000,   58014000,  1661000,      969, 0xe01878f0, F=0x0
> > +1,   58014000,   58014000,  1661000,      969, 0xe01878f0
> > 0,        291,        291,        1,   518400, 0xa8643af7
> > 0,        298,        298,        1,   518400, 0xbab197ea
> > -1,   67724000,   67724000,  1365000,      844, 0xe7db4fc1, F=0x0
> > +1,   67724000,   67724000,  1365000,      844, 0xe7db4fc1
> > 0,        339,        339,        1,   518400, 0xb1885c67
> > 0,        345,        345,        1,   518400, 0xbab197ea
> > -1,   69175000,   69175000,  1558000,      802, 0xf48531ba, F=0x0
> > +1,   69175000,   69175000,  1558000,      802, 0xf48531ba
> > 0,        346,        346,        1,   518400, 0x378e3fd0
> > 0,        354,        354,        1,   518400, 0xbab197ea
> > -1,   70819000,   70819000,  1865000,     1709, 0xb4d5a1bd, F=0x0
> > +1,   70819000,   70819000,  1865000,     1709, 0xb4d5a1bd
> > 0,        355,        355,        1,   518400, 0xa3782469
> > 0,        363,        363,        1,   518400, 0xbab197ea
> > -1,   72762000,   72762000,  1968000,     2438, 0x99d7bc82, F=0x0
> > +1,   72762000,   72762000,  1968000,     2438, 0x99d7bc82
> > 0,        364,        364,        1,   518400, 0xba23a0d5
> > 0,        374,        374,        1,   518400, 0xbab197ea
> > -1,   74806000,   74806000,  1831000,     2116, 0x96514097, F=0x0
> > +1,   74806000,   74806000,  1831000,     2116, 0x96514097
> > 0,        375,        375,        1,   518400, 0x129de2f8
> > 0,        383,        383,        1,   518400, 0xbab197ea
> > -1,   76716000,   76716000,  1262000,     1822, 0xefccc72e, F=0x0
> > +1,   76716000,   76716000,  1262000,     1822, 0xefccc72e
> > 0,        384,        384,        1,   518400, 0x19772f0f
> > 0,        390,        390,        1,   518400, 0xbab197ea
> > -1,   78051000,   78051000,  1524000,      987, 0x7b927a27, F=0x0
> > +1,   78051000,   78051000,  1524000,      987, 0x7b927a27
> > 0,        391,        391,        1,   518400, 0x56f54e73
> > 0,        398,        398,        1,   518400, 0xbab197ea
> > -1,   79644000,   79644000,  2662000,     2956, 0x190778f7, F=0x0
> > +1,   79644000,   79644000,  2662000,     2956, 0x190778f7
> > 0,        399,        399,        1,   518400, 0x300b5247
> > -1,   82380000,   82380000,  2764000,     3094, 0xc021b7d3, F=0x0
> > +1,   82380000,   82380000,  2764000,     3094, 0xc021b7d3
> > 0,        412,        412,        1,   518400, 0xbab197ea
> > 0,        413,        413,        1,   518400, 0x6fd028fa
> > 0,        426,        426,        1,   518400, 0xbab197ea
> > -1,   85225000,   85225000,  2366000,     2585, 0x74d0048f, F=0x0
> > +1,   85225000,   85225000,  2366000,     2585, 0x74d0048f
> > 0,        427,        427,        1,   518400, 0x01f80e9d
> > 0,        438,        438,        1,   518400, 0xbab197ea
> > -1,   87652000,   87652000,  1831000,      634, 0x8832fda1, F=0x0
> > +1,   87652000,   87652000,  1831000,      634, 0x8832fda1
> > 0,        439,        439,        1,   518400, 0xb48d90c0
> > 0,        447,        447,        1,   518400, 0xbab197ea
> > -1,   91531000,   91531000,  2332000,     2080, 0x97a1146f, F=0x0
> > +1,   91531000,   91531000,  2332000,     2080, 0x97a1146f
> > 0,        458,        458,        1,   518400, 0xcb5a0173
> > 0,        469,        469,        1,   518400, 0xbab197ea
> > -1,   95510000,   95510000,  3299000,     2964, 0x8b8f6684, F=0x0
> > +1,   95510000,   95510000,  3299000,     2964, 0x8b8f6684
> > 0,        478,        478,        1,   518400, 0xb8a323e4
> > 0,        494,        494,        1,   518400, 0xbab197ea
> > -1,   98872000,   98872000,  2161000,     1875, 0x9002ef71, F=0x0
> > +1,   98872000,   98872000,  2161000,     1875, 0x9002ef71
> > 0,        495,        495,        1,   518400, 0xc43518ba
> > 0,        505,        505,        1,   518400, 0xbab197ea
> > -1,  101124000,  101124000,  4096000,     3872, 0x20c6ed9c, F=0x0
> > +1,  101124000,  101124000,  4096000,     3872, 0x20c6ed9c
> > 0,        506,        506,        1,   518400, 0x04e38692
> > 0,        526,        526,        1,   518400, 0xbab197ea
> > -1,  105303000,  105303000,  2730000,     3094, 0xf203a663, F=0x0
> > +1,  105303000,  105303000,  2730000,     3094, 0xf203a663
> > 0,        527,        527,        1,   518400, 0x856b0ee5
> > 0,        540,        540,        1,   518400, 0xbab197ea
> > -1,  108106000,  108106000,  2059000,     2404, 0x41a7b429, F=0x0
> > +1,  108106000,  108106000,  2059000,     2404, 0x41a7b429
> > 0,        541,        541,        1,   518400, 0x3e5beee2
> > 0,        551,        551,        1,   518400, 0xbab197ea
> > -1,  141556000,  141556000,  1661000,     1088, 0xde20aa20, F=0x0
> > +1,  141556000,  141556000,  1661000,     1088, 0xde20aa20
> > 0,        708,        708,        1,   518400, 0xb8bc1365
> > 0,        716,        716,        1,   518400, 0xbab197ea
> > 0,        817,        817,        1,   518400, 0x83efa32d
> > -1,  163445000,  163445000,  1331000,      339, 0x8bd186ef, F=0x0
> > +1,  163445000,  163445000,  1331000,      339, 0x8bd186ef
> > 0,        824,        824,        1,   518400, 0xbab197ea
> > 0,        840,        840,        1,   518400, 0x03ea0e90
> > -1,  168049000,  168049000,  1900000,     1312, 0x0bf20e8d, F=0x0
> > +1,  168049000,  168049000,  1900000,     1312, 0x0bf20e8d
> > 0,        850,        850,        1,   518400, 0xbab197ea
> > -1,  170035000,  170035000,  1524000,     1279, 0xb6c2dafe, F=0x0
> > +1,  170035000,  170035000,  1524000,     1279, 0xb6c2dafe
> > 0,        851,        851,        1,   518400, 0x8780239e
> > 0,        858,        858,        1,   518400, 0xbab197ea
> > 0,        861,        861,        1,   518400, 0x6eb72347
> > -1,  172203000,  172203000,  1695000,     1826, 0x9a1ac769, F=0x0
> > +1,  172203000,  172203000,  1695000,     1826, 0x9a1ac769
> > 0,        869,        869,        1,   518400, 0xbab197ea
> > -1,  173947000,  173947000,  1934000,     1474, 0xa9b03cdc, F=0x0
> > +1,  173947000,  173947000,  1934000,     1474, 0xa9b03cdc
> > 0,        870,        870,        1,   518400, 0x9c4a3a3d
> > 0,        879,        879,        1,   518400, 0xbab197ea
> > -1,  175957000,  175957000,  1763000,     1019, 0x20409355, F=0x0
> > +1,  175957000,  175957000,  1763000,     1019, 0x20409355
> > 0,        880,        880,        1,   518400, 0xc9ebfa89
> > 0,        889,        889,        1,   518400, 0xbab197ea
> > 0,        946,        946,        1,   518400, 0xbaf801ef
> > -1,  189295000,  189295000,  1968000,     1596, 0x408c726e, F=0x0
> > +1,  189295000,  189295000,  1968000,     1596, 0x408c726e
> > 0,        956,        956,        1,   518400, 0xbab197ea
> > -1,  191356000,  191356000,  1228000,     1517, 0xae8c5c2b, F=0x0
> > +1,  191356000,  191356000,  1228000,     1517, 0xae8c5c2b
> > 0,        957,        957,        1,   518400, 0x59f4e72f
> > 0,        963,        963,        1,   518400, 0xbab197ea
> > -1,  192640000,  192640000,  1763000,     2506, 0xa458d6d4, F=0x0
> > +1,  192640000,  192640000,  1763000,     2506, 0xa458d6d4
> > 0,        964,        964,        1,   518400, 0x9d5b9d69
> > 0,        972,        972,        1,   518400, 0xbab197ea
> > -1,  195193000,  195193000,  1092000,     1074, 0x397ba9a8, F=0x0
> > +1,  195193000,  195193000,  1092000,     1074, 0x397ba9a8
> > 0,        976,        976,        1,   518400, 0x923d1ce7
> > 0,        981,        981,        1,   518400, 0xbab197ea
> > -1,  196361000,  196361000,  1524000,     1715, 0x695ca41e, F=0x0
> > +1,  196361000,  196361000,  1524000,     1715, 0x695ca41e
> > 0,        982,        982,        1,   518400, 0x6e652cd2
> > 0,        989,        989,        1,   518400, 0xbab197ea
> > -1,  197946000,  197946000,  1160000,      789, 0xc63a189e, F=0x0
> > +1,  197946000,  197946000,  1160000,      789, 0xc63a189e
> > 0,        990,        990,        1,   518400, 0x25113966
> > 0,        996,        996,        1,   518400, 0xbab197ea
> > -1,  199230000,  199230000,  1627000,     1846, 0xeea8c599, F=0x0
> > +1,  199230000,  199230000,  1627000,     1846, 0xeea8c599
> > 0,        997,        997,        1,   518400, 0x2dc83609
> > 0,       1004,       1004,        1,   518400, 0xbab197ea
> > -1,  200924000,  200924000,  1763000,      922, 0xd4a87222, F=0x0
> > +1,  200924000,  200924000,  1763000,      922, 0xd4a87222
> > 0,       1005,       1005,        1,   518400, 0x90483bc6
> > 0,       1013,       1013,        1,   518400, 0xbab197ea
> > 0,       1053,       1053,        1,   518400, 0x3de86ab7
> > -1,  210600000,  210600000,  1831000,      665, 0x55580135, F=0x0
> > +1,  210600000,  210600000,  1831000,      665, 0x55580135
> > 0,       1062,       1062,        1,   518400, 0xbab197ea
> > -1,  214771000,  214771000,  1558000,     1216, 0x50d1f6c5, F=0x0
> > +1,  214771000,  214771000,  1558000,     1216, 0x50d1f6c5
> > 0,       1074,       1074,        1,   518400, 0x8c320e68
> > 0,       1082,       1082,        1,   518400, 0xbab197ea
> > 0,       1128,       1128,        1,   518400, 0x81e977b2
> > -1,  225640000,  225640000,  2127000,     2133, 0x670c11a5, F=0x0
> > +1,  225640000,  225640000,  2127000,     2133, 0x670c11a5
> > 0,       1139,       1139,        1,   518400, 0xbab197ea
> > -1,  227834000,  227834000,  1262000,     1264, 0xc1d9fc57, F=0x0
> > +1,  227834000,  227834000,  1262000,     1264, 0xc1d9fc57
> > 0,       1140,       1140,        1,   518400, 0xb046dd30
> > 0,       1145,       1145,        1,   518400, 0xbab197ea
> > -- 
> > 2.9.5
> > 
> > _______________________________________________
> > ffmpeg-devel mailing list
> > ffmpeg-devel at ffmpeg.org
> > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> > 
> > To unsubscribe, visit link above, or email
> > ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
> _______________________________________________
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-- 
Thanks,
Limin Wang


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