[FFmpeg-trac] #6020(undetermined:new): DTS decoder produces invalid sample format for last frame

[FFmpeg]

#6020: DTS decoder produces invalid sample format for last frame
-------------------------------------+-------------------------------------
               Reporter:  cus        |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  dca dts
             Blocked By:             |  sample_fmt regression
Reproduced by developer:  0          |               Blocking:
                                     |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 % ffprobe invalid-sample-fmt-in-last-frame.dts -show_frames -of compact
 }}}
 Output
 {{{
 ffprobe version N-82844-g265d451 Copyright (c) 2007-2016 the FFmpeg
 developers
   built with gcc 4.8 (SUSE Linux)
   configuration: --disable-vaapi --enable-vdpau --enable-gpl --enable-
 libfreetype --enable-libzvbi --enable-libass --enable-frei0r --enable-
 openssl --enable-nonfree --enable-libx264 --enable-libfdk-aac --enable-
 nonfree --enable-libvorbis --enable-decklink --enable-libmp3lame --enable-
 openal
   libavutil      55. 43.100 / 55. 43.100
   libavcodec     57. 67.100 / 57. 67.100
   libavformat    57. 59.100 / 57. 59.100
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 68.100 /  6. 68.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 [dts @ 0x24ee260] Estimating duration from bitrate, this may be inaccurate
 Input #0, dts, from 'invalid-sample-fmt-in-last-frame.dts':
   Duration: 00:00:00.07, start: 0.000000, bitrate: 1535 kb/s
     Stream #0:0: Audio: dts (DTS), 48000 Hz, 5.1(side), fltp, 1536 kb/s
 frame|media_type=audio|stream_index=0|key_frame=1|pkt_pts=0|pkt_pts_time=0.000000|pkt_dts=0|pkt_dts_time=0.000000|best_effort_timestamp=0|best_effort_timestamp_time=0.000000|pkt_duration=960|pkt_duration_time=0.010667|pkt_pos=0|pkt_size=2012|sample_fmt=fltp|nb_samples=512|channels=6|channel_layout=5.1(side)side_data|side_data_type=AVMatrixEncoding|side_data_size=4

 frame|media_type=audio|stream_index=0|key_frame=1|pkt_pts=960|pkt_pts_time=0.010667|pkt_dts=960|pkt_dts_time=0.010667|best_effort_timestamp=960|best_effort_timestamp_time=0.010667|pkt_duration=960|pkt_duration_time=0.010667|pkt_pos=2012|pkt_size=2012|sample_fmt=fltp|nb_samples=512|channels=6|channel_layout=5.1(side)side_data|side_data_type=AVMatrixEncoding|side_data_size=4

 frame|media_type=audio|stream_index=0|key_frame=1|pkt_pts=1920|pkt_pts_time=0.021333|pkt_dts=1920|pkt_dts_time=0.021333|best_effort_timestamp=1920|best_effort_timestamp_time=0.021333|pkt_duration=960|pkt_duration_time=0.010667|pkt_pos=4024|pkt_size=2012|sample_fmt=fltp|nb_samples=512|channels=6|channel_layout=5.1(side)side_data|side_data_type=AVMatrixEncoding|side_data_size=4

 frame|media_type=audio|stream_index=0|key_frame=1|pkt_pts=2880|pkt_pts_time=0.032000|pkt_dts=2880|pkt_dts_time=0.032000|best_effort_timestamp=2880|best_effort_timestamp_time=0.032000|pkt_duration=960|pkt_duration_time=0.010667|pkt_pos=6036|pkt_size=2012|sample_fmt=fltp|nb_samples=512|channels=6|channel_layout=5.1(side)side_data|side_data_type=AVMatrixEncoding|side_data_size=4

 frame|media_type=audio|stream_index=0|key_frame=1|pkt_pts=3840|pkt_pts_time=0.042667|pkt_dts=3840|pkt_dts_time=0.042667|best_effort_timestamp=3840|best_effort_timestamp_time=0.042667|pkt_duration=960|pkt_duration_time=0.010667|pkt_pos=8048|pkt_size=2012|sample_fmt=fltp|nb_samples=512|channels=6|channel_layout=5.1(side)side_data|side_data_type=AVMatrixEncoding|side_data_size=4

 frame|media_type=audio|stream_index=0|key_frame=1|pkt_pts=4800|pkt_pts_time=0.053333|pkt_dts=4800|pkt_dts_time=0.053333|best_effort_timestamp=4800|best_effort_timestamp_time=0.053333|pkt_duration=960|pkt_duration_time=0.010667|pkt_pos=10060|pkt_size=2012|sample_fmt=fltp|nb_samples=512|channels=6|channel_layout=5.1(side)side_data|side_data_type=AVMatrixEncoding|side_data_size=4

 frame|media_type=audio|stream_index=0|key_frame=1|pkt_pts=5760|pkt_pts_time=0.064000|pkt_dts=5760|pkt_dts_time=0.064000|best_effort_timestamp=5760|best_effort_timestamp_time=0.064000|pkt_duration=960|pkt_duration_time=0.010667|pkt_pos=12072|pkt_size=2080|sample_fmt=s16p|nb_samples=512|channels=6|channel_layout=5.1(side)side_data|side_data_type=AVMatrixEncoding|side_data_size=4
 }}}

 The old DTS decoder worked correctly. The new DTS decoder also works if
 -core_only 1 is speicified.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6020>
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