[FFmpeg-trac] #6344(avcodec:new): DNXHD parser regression causes lost frames
FFmpeg
trac at avcodec.org
Sun Apr 23 01:06:48 EEST 2017
#6344: DNXHD parser regression causes lost frames
-------------------------------------+-------------------------------------
Reporter: cus | Owner:
Type: defect | Status: new
Priority: important | Component: avcodec
Version: git- | Keywords: regression
master | dnxhd
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
Summary of the bug:
A user in ticket #6318 uploaded DNXHD file which contains 36 frames, but
since e1940d2458353943e2fab6bdb87d2278077e22a5 only one frame is decoded.
Sample is here:
https://mega.nz/#!lpoDSQQb!A1YmzIAIC6osbPS3u0boIbwa1Ys0JN6LtvNcNOkslZU
How to reproduce:
{{{
% ffprobe -count_frames -select_streams v -show_entries
stream=nb_read_frames DNxHD.mxf
ffprobe version N-85607-g5b281b476b Copyright (c) 2007-2017 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 --enable-libiec61883 --assert-level=2
libavutil 55. 61.100 / 55. 61.100
libavcodec 57. 93.100 / 57. 93.100
libavformat 57. 72.101 / 57. 72.101
libavdevice 57. 7.100 / 57. 7.100
libavfilter 6. 86.100 / 6. 86.100
libswscale 4. 7.101 / 4. 7.101
libswresample 2. 8.100 / 2. 8.100
libpostproc 54. 6.100 / 54. 6.100
[mxf @ 0x3f443c0] Stream #0: not enough frames to estimate rate; consider
increasing probesize
Input #0, mxf, from 'DNxHD.mxf':
Metadata:
project_name : 52 PALOMBES 2017
uid : b2ddeb1d-1eca-f843-909b-f298e1a5a709
generation_uid : b6bcfcab-70ff-7331-1aa2-6f7e69de11d2
application_platform: AAFSDK (MacOS X)
modification_date: 2017-03-03T09:18:45.000000Z
product_uid : acfbf03a-4f42-a231-d0b7-c06ecd3d4ad7
product_version : Unknown version
product_name : Avid Media Composer 8.4.5.38655
company_name : Avid Technology, Inc.
material_package_umid:
0x060A2B340101010101010F001300000058B934F57C1B0045060E2B347F7F2A80
material_package_name: 00009.new.01
comment_Video File Format: .MTS
comment_Video : H.264 (1080i 50)
comment_Audio Format: Dolby AC-3 256kb/s
Duration: 00:00:01.44, start: 0.000000, bitrate: 123793 kb/s
Stream #0:0: Video: dnxhd (DNXHD), yuv422p(bt709/unknown/unknown, top
first), 1920x1080, SAR 1:1 DAR 16:9, 25 tbr, 25 tbn, 25 tbc
Metadata:
file_package_umid:
0x060A2B340101010101010F001300000058B934F57C1E0045060E2B347F7F2A80
file_package_name: 00009
track_name : V1
reel_umid :
0x060A2B340101010101010F0013A1000023083DE5957DCEDE3D381353A1B80836
reel_name : 00009
timecode : 00:04:59:01
Stream #0:1: Data: none
Metadata:
file_package_umid:
0x060A2B340101010101010F001300000058B934F57C1F0045060E2B347F7F2A80
track_name : A1
data_type : audio
Stream #0:2: Data: none
Metadata:
file_package_umid:
0x060A2B340101010101010F001300000058B934F57C200045060E2B347F7F2A80
track_name : A2
data_type : audio
Unsupported codec with id 0 for input stream 1
Unsupported codec with id 0 for input stream 2
[STREAM]
nb_read_frames=1
[/STREAM]
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6344>
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