[FFmpeg-trac] #2532(avcodec:open): wmv1: green artefacts with lowres
FFmpeg
trac at avcodec.org
Sun May 5 00:29:57 CEST 2013
#2532: wmv1: green artefacts with lowres
-------------------------------------+-----------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: open
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: wmv1 lowres | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
-------------------------------------+-----------------------------------
Changes (by cehoyos):
* keywords: => wmv1 lowres
* status: new => open
* version: unspecified => git-master
* component: undetermined => avcodec
* reproduced: 0 => 1
Comment:
{{{
$ valgrind ./ffmpeg_g -vlowres 1 -i 1.wmv -f null -
==12016== Memcheck, a memory error detector.
==12016== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al.
==12016== Using LibVEX rev 1854, a library for dynamic binary translation.
==12016== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP.
==12016== Using valgrind-3.3.1, a dynamic binary instrumentation
framework.
==12016== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al.
==12016== For more details, rerun with: -v
==12016==
ffmpeg version N-52736-gd18341f Copyright (c) 2000-2013 the FFmpeg
developers
built on May 4 2013 13:41:21 with gcc 4.3 (SUSE Linux)
configuration: --enable-gpl --disable-optimizations
libavutil 52. 28.100 / 52. 28.100
libavcodec 55. 7.100 / 55. 7.100
libavformat 55. 4.101 / 55. 4.101
libavdevice 55. 0.100 / 55. 0.100
libavfilter 3. 63.101 / 3. 63.101
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, asf, from '1.wmv':
Metadata:
WMFSDKVersion : 11.0.5721.5275
WMFSDKNeeded : 0.0.0.0000
IsVBR : 0
DeviceConformanceTemplate: @
Duration: 00:00:05.98, start: 0.000000, bitrate: 246 kb/s
Stream #0:0(pol): Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz,
stereo, fltp, 176 kb/s
Stream #0:1(pol): Video: wmv1 (WMV1 / 0x31564D57), yuv420p, 80x60, 100
kb/s, 24 tbr, 1k tbn, 1k tbc
Output #0, null, to 'pipe:':
Metadata:
WMFSDKVersion : 11.0.5721.5275
WMFSDKNeeded : 0.0.0.0000
IsVBR : 0
DeviceConformanceTemplate: @
encoder : Lavf55.4.101
Stream #0:0(pol): Video: rawvideo (I420 / 0x30323449), yuv420p, 80x60,
q=2-31, 200 kb/s, 90k tbn, 24 tbc
Stream #0:1(pol): Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
Stream mapping:
Stream #0:1 -> #0:0 (wmv1 -> rawvideo)
Stream #0:0 -> #0:1 (wmav2 -> pcm_s16le)
Press [q] to stop, [?] for help
[null @ 0x4587800] Encoder did not produce proper pts, making some up.
frame= 28 fps= 21 q=0.0 size=N/A time=00:00:01.34 bitrate=N/A dup=10
drop=0 frame= 50 fps= 27 q=0.0 size=N/A time=00:00:02.72 bitrate=N/A
dup=10 drop=0 frame= 74 fps= 31 q=0.0 size=N/A time=00:00:03.42
bitrate=N/A dup=10 drop=0 dc overflow- block: 4 qscale: 4//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 4//
Last message repeated 1 times
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 4//
[wmv1 @ 0x446d020] dc overflow- block: 0 qscale: 4//
==12016== Invalid read of size 1
==12016== at 0x87F2AD8: get_dc (msmpeg4.c:186)
==12016== by 0x87F2E7A: ff_msmpeg4_pred_dc (msmpeg4.c:288)
==12016== by 0x855C933: msmpeg4_decode_dc (msmpeg4dec.c:622)
==12016== by 0x855CA1F: ff_msmpeg4_decode_block (msmpeg4dec.c:651)
==12016== by 0x855A240: msmpeg4v34_decode_mb (msmpeg4dec.c:275)
==12016== by 0x83199DD: decode_slice (h263dec.c:226)
==12016== by 0x831B1DE: ff_h263_decode_frame (h263dec.c:685)
==12016== by 0x863DE4A: avcodec_decode_video2 (utils.c:1933)
==12016== by 0x805F1C1: decode_video (ffmpeg.c:1640)
==12016== by 0x80600D6: output_packet (ffmpeg.c:1836)
==12016== by 0x8065E7D: process_input (ffmpeg.c:3042)
==12016== by 0x80661AD: transcode_step (ffmpeg.c:3138)
==12016== Address 0x46f1ca8 is not stack'd, malloc'd or (recently) free'd
Last message repeated 1 times
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 4//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 4//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 4//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 4//
==12016==
==12016== Invalid read of size 1
==12016== at 0x87F2AD8: get_dc (msmpeg4.c:186)
==12016== by 0x87F2ED1: ff_msmpeg4_pred_dc (msmpeg4.c:290)
==12016== by 0x855C933: msmpeg4_decode_dc (msmpeg4dec.c:622)
==12016== by 0x855CA1F: ff_msmpeg4_decode_block (msmpeg4dec.c:651)
==12016== by 0x855A240: msmpeg4v34_decode_mb (msmpeg4dec.c:275)
==12016== by 0x83199DD: decode_slice (h263dec.c:226)
==12016== by 0x831B1DE: ff_h263_decode_frame (h263dec.c:685)
==12016== by 0x863DE4A: avcodec_decode_video2 (utils.c:1933)
==12016== by 0x805F1C1: decode_video (ffmpeg.c:1640)
==12016== by 0x80600D6: output_packet (ffmpeg.c:1836)
==12016== by 0x8065E7D: process_input (ffmpeg.c:3042)
==12016== by 0x80661AD: transcode_step (ffmpeg.c:3138)
==12016== Address 0x46f2530 is not stack'd, malloc'd or (recently) free'd
[wmv1 @ 0x446d020] dc overflow- block: 4 qscale: 4//
[wmv1 @ 0x446d020] dc overflow- block: 0 qscale: 6//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 6//
[wmv1 @ 0x446d020] dc overflow- block: 0 qscale: 6//
[wmv1 @ 0x446d020] dc overflow- block: 4 qscale: 6//
[wmv1 @ 0x446d020] dc overflow- block: 5 qscale: 6//
[wmv1 @ 0x446d020] dc overflow- block: 4 qscale: 6//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 6//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 6//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 8//
[wmv1 @ 0x446d020] dc overflow- block: 0 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 0 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 0 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 7//
Last message repeated 1 times
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 0 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 7//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 9//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 9//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 9//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 9//
frame= 88 fps= 31 q=0.0 size=N/A time=00:00:04.11 bitrate=N/A dup=10
drop=0 frame= 111 fps= 33 q=0.0 size=N/A time=00:00:05.51 bitrate=N/A
dup=10 drop=0 dc overflow- block: 0 qscale: 15//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 15//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 15//
[wmv1 @ 0x446d020] dc overflow- block: 0 qscale: 18//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 18//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 18//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 18//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 19//
[wmv1 @ 0x446d020] dc overflow- block: 0 qscale: 19//
[wmv1 @ 0x446d020] dc overflow- block: 1 qscale: 19//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 19//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 19//
[wmv1 @ 0x446d020] dc overflow- block: 2 qscale: 19//
[wmv1 @ 0x446d020] dc overflow- block: 3 qscale: 19//
frame= 143 fps= 37 q=0.0 Lsize=N/A time=00:00:05.95 bitrate=N/A dup=10
drop=0
video:9kB audio:952kB subtitle:0 global headers:0kB muxing overhead
-100.002236%
==12016==
==12016== ERROR SUMMARY: 7082 errors from 2 contexts (suppressed: 3 from
1)
==12016== malloc/free: in use at exit: 0 bytes in 0 blocks.
==12016== malloc/free: 8,856 allocs, 8,856 frees, 6,738,528 bytes
allocated.
==12016== For counts of detected errors, rerun with: -v
==12016== All heap blocks were freed -- no leaks are possible.
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2532#comment:1>
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