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

Marton Balint cus at passwd.hu
Wed May 6 20:12:23 EEST 2020



On Wed, 6 May 2020, lance.lmwang at gmail.com wrote:

> 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 Is it possible that the patch description is outdated?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).

Ah, ok. Is there a practical benefit for setting the keyframe flag for 
subtitles? Or it just happens to work out this way?

Either way, fine by me.

Thanks,
Marton

>
>
>> 
>> 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".
>> _______________________________________________
>> 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".
>
> -- 
> Thanks,
> Limin Wang
> _______________________________________________
> 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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