[FFmpeg-trac] #89(undetermined:new): ffplay - crash with svq3 codec

[FFmpeg]

#89: ffplay - crash with svq3 codec
--------------------------+--------------------------
 Reporter:  ami_stuff     |        Type:  defect
   Status:  new           |    Priority:  normal
Component:  undetermined  |     Version:  unspecified
 Keywords:                |  Blocked By:
 Blocking:                |  Reproduced:  0
 Analyzed:  0             |
--------------------------+--------------------------
 file uploaded to incoming as "ticket58.mov"

 {{{
 C:\>ffmpeg -i C:\ticket58.mov
 FFmpeg version git-N-29181-ga304071, Copyright (c) 2000-2011 the FFmpeg
 develope
 rs
   built on Apr 18 2011 21:24:03 with gcc 4.5.2
   configuration: --enable-gpl --enable-version3 --enable-runtime-cpudetect
 --ena
 ble-memalign-hack --enable-avisynth --enable-bzlib --enable-frei0r
 --enable-libo
 pencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
 libgsm --
 enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
 libschroedinger
  --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx
 --enabl
 e-libx264 --enable-libxavs --enable-libxvid --enable-zlib --cross-
 prefix=i686-w6
 4-mingw32- --target-os=mingw32 --arch=x86_32 --extra-
 cflags=-I/home/kyle/softwar
 e/ffmpeg/external-libraries/win32/include --extra-
 ldflags=-L/home/kyle/software/
 ffmpeg/external-libraries/win32/lib --pkg-config=pkg-config
   libavutil    50. 40. 1 / 50. 40. 1
   libavcodec   52.120. 0 / 52.120. 0
   libavformat  52.108. 0 / 52.108. 0
   libavdevice  52.  4. 0 / 52.  4. 0
   libavfilter   1. 79. 0 /  1. 79. 0
   libswscale    0. 13. 0 /  0. 13. 0

 Seems stream 1 codec frame rate differs from container frame rate:
 30000.00 (300
 00/1) -> 29.97 (30000/1001)
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\ticket58.mov':
   Metadata:
     creation_time   : 2004-06-14 12:15:14
   Duration: 00:00:58.88, start: 0.000000, bitrate: 498 kb/s
     Stream #0.0(eng): Audio: qdm2, 44100 Hz, 2 channels, s16, 40 kb/s
     Metadata:
       creation_time   : 2004-06-14 12:15:14
     Stream #0.1(eng): Video: svq3, yuvj420p, 320x240, 457 kb/s, 29.77 fps,
 29.97
  tbr, 30k tbn, 30k tbc
     Metadata:
       creation_time   : 2004-06-14 12:15:14
 At least one output file must be specified
 }}}

 I belive the crash is related to this patch:

 {{{
 --- a/ffplay.c
 +++ b/ffplay.c
 @@ -31,6 +31,7 @@

     #include "libavutil/imgutils.h"
     #include "libavutil/parseutils.h"
     #include "libavutil/samplefmt.h"

 +#include "libavutil/avassert.h"

     #include "libavformat/avformat.h"
     #include "libavdevice/avdevice.h"
     #include "libswscale/swscale.h"

 @@ -1582,6 +1583,8 @@ static int input_get_buffer(AVCodecContext *codec,
 AVFrame *pic)

     int i, w, h, stride[4];
     unsigned edge;


 + av_assert0(codec->flags & CODEC_FLAG_EMU_EDGE);
 +

     if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)

         perms |= AV_PERM_NEG_LINESIZES;


 @@ -1664,8 +1667,8 @@ static int input_init(AVFilterContext *ctx, const
 char *args, void *opaque)

     codec = priv->is->video_st->codec;
     codec->opaque = ctx;
     if((codec->codec->capabilities & CODEC_CAP_DR1)

     && codec->codec_id != CODEC_ID_SVQ1 chroma alignment from lavfi is
 insufficient

     ) {

 + codec->flags |= CODEC_FLAG_EMU_EDGE;

     priv->use_dr1 = 1;
     codec->get_buffer = input_get_buffer;
     codec->release_buffer = input_release_buffer;
 }}}

-- 
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/89>
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