--- On Sun, 12/9/10, Vitor Sessak <[email protected]> wrote:
From: Vitor Sessak <[email protected]> Subject: Re: [libav-user] Invalid read in FFmpeg 0.6 version reported by valgrind To: [email protected] Date: Sunday, 12 September, 2010, 7:33 PM On 09/12/2010 06:38 PM, debanjana kayal wrote: > > > --- On Sun, 12/9/10, Vitor Sessak<[email protected]> wrote: > > > From: Vitor Sessak<[email protected]> > Subject: Re: [libav-user] Invalid read in FFmpeg 0.6 version reported by > valgrind > To: [email protected] > Date: Sunday, 12 September, 2010, 10:26 AM > > > On 09/12/2010 11:42 AM, debanjana kayal wrote: >> Hi >> I am using FFmpeg 0.6 version for ppc. >> I get the following when I run using valgrind.I would apprieciate any help. >> The configuration used by me is: >> >> >> ./configure --enable-debug=3 --disable-stripping --enable-cross-compile >> --arch=ppc --target-os=linux --disable-static --enable-shared >> --disable-encoders --disable-decoders --disable-bsfs --disable-filters >> --disable-muxers --disable-hwaccels --disable-indevs --disable-outdevs >> --disable-devices --disable-protocols --disable-demuxers --disable-parsers >> --disable-altivec --disable-decoder=vorbis --enable-decoder=mp3 >> --enable-decoder=aac --enable-parser=aac --enable-parser=mpegaudio >> --enable-demuxer=aac --enable-demuxer=aiff --enable-demuxer=asf >> --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=pcm_alaw >> --enable-demuxer=pcm_f32be --enable-demuxer=pcm_f32le >> --enable-demuxer=pcm_f64be --enable-demuxer=pcm_f64le >> --enable-demuxer=pcm_mulaw --enable-demuxer=pcm_s16be >> --enable-demuxer=pcm_s16le --enable-demuxer=pcm_s24be >> --enable-demuxer=pcm_s24le --enable-demuxer=pcm_s32be >> --enable-demuxer=pcm_s32le --enable-demuxer=pcm_s8 --enable-demuxer=pcm_u16be >> --enable-demuxer=pcm_u16le --enable-demuxer=pcm_u24be >>--enable-demuxer=pcm_u24le --enable-demuxer=pcm_u32be >>--enable-demuxer=pcm_u32le --enable-demuxer=pcm_u8 --enable-demuxer=wav >>--enable-demuxer=flac --enable-protocol=file --enable-zlib >>--enable-decoder=pcm_alaw --enable-decoder=pcm_mulaw >>--enable-decoder=pcm_f32be --enable-decoder=pcm_f32le >>--enable-decoder=pcm_f64be --enable-decoder=pcm_f64le >>--enable-decoder=pcm_s16be --enable-decoder=pcm_s16le >>--enable-decoder=pcm_s24be --enable-decoder=pcm_s24le >>--enable-decoder=pcm_s32be --enable-decoder=pcm_s32le >>--enable-decoder=pcm_u16be --enable-decoder=pcm_u16le >>--enable-decoder=pcm_u24be --enable-decoder=pcm_u24le >>--enable-decoder=pcm_u32be --enable-decoder=pcm_u32le --enable-decoder=pcm_u8 >>--enable-decoder=flac --extra-cflags='-pthread -Wall -mcpu=e300c3 -m32 -g >>-fPIC -DPIC' --prefix=/opt/FFmpeg/install > > Why everybody use endless configure parameters? Just "./configure" does > not work for you? > Isn't it immeterial to the issue being reported.BTW i need to include only > the formats I need to make the size of the library and my application be as > minimum . > On the parameter it is important for me to know will help > --enable-memalign-hack or how does it work. I don't think anything you might add to configure (including --enable-memalign-hack) will change this invalid read, but I cannot be sure without understanding the problem. Also, what is the point of messing around with the cflags? You don't trust the FFmpeg developers to know which flags works better with their own code? Also, are you _really_ cross-compiling? >> ==19152== Invalid read of size 4 >> ==19152== at 0xFE0A824: decode_frame (get_bits.h:366) >> ==19152== by 0xFE1451B: avcodec_decode_audio3 (utils.c:656) >> ==19152== by 0xFF48F23: av_find_stream_info (utils.c:2045) >> ==19152== Address 0xcb30f02 is 6 bytes after a block of size 364 alloc'd >> ==19152== at 0xFF7953C: malloc (vg_replace_malloc.c:236) >> ==19152== by 0xFD16C83: av_malloc (mem.c:76) >> ==19152== by 0xFD95FB3: av_dup_packet (avpacket.c:81) >> ==19152== by 0xFF4813B: av_find_stream_info (utils.c:2261) >> >> >> will using --enable-memalign-hack help? > > Can you please tell me if this problem happens when decoding any file or > just a particular one? Can you also show the full command line you used > and the full output of ffmpeg? > >> I am not yet decoding but only trying to get the parameters using >> av_find_stream_info.I am not using ffmpeg binary but using myy own >> application which opens using av_open_input_stream and extracts the stream >> info. Can you test if you can reproduce this problem with the ffmpeg binary? This helps a lot to know what is happening. HERE IS THE OUTPUT FROM FFMPEG BINARY ==20746== Memcheck, a memory error detector . g . ==20746== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al. ==20746== Using Valgrind-3.6.0.SVN and LibVEX; rerun with -h for copyright info ==20746== Command: /home/rka/work/Externals/FFmpeg/install/bin/ffmpeg -i http://216.235.81.102:15240 ==20746== FFmpeg version 0.6, Copyright (c) 2000-2010 the FFmpeg developers built on Sep 12 2010 22:40:41 with gcc 4.1.2 configuration: --enable-debug=3 --disable-stripping --enable-cross-compile --arch=ppc --target-os=linux --cross-prefix=/opt/wrsysroot/x86-linux2/powerpc-wrs-linux libavutil 50.15. 1 / 50.15. 1 libavcodec 52.72. 2 / 52.72. 2 libavformat 52.64. 2 / 52.64. 2 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0.11. 0 / 0.11. 0 ==20746== Invalid read of size 4 ==20746== at 0xFDE665C: decode_frame (get_bits.h:366) ==20746== by 0xFDF051B: avcodec_decode_audio3 (utils.c:656) ==20746== by 0xFF27A0B: av_find_stream_info (utils.c:2045) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) ==20746== Address 0x42e2279 is 481 bytes inside a block of size 484 alloc'd ==20746== at 0xFF7953C: malloc (vg_replace_malloc.c:236) ==20746== by 0xFCF2C83: av_malloc (mem.c:76) ==20746== by 0xFD71FB3: av_dup_packet (avpacket.c:81) ==20746== by 0xFF26C23: av_find_stream_info (utils.c:2261) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) ==20746== ==20746== Conditional jump or move depends on uninitialised value(s) ==20746== at 0xFDDE8F0: ff_mpa_synth_filter (mpegaudiodec.c:729) ==20746== by 0xFDE430B: decode_frame (mpegaudiodec.c:2204) ==20746== by 0xFDF051B: avcodec_decode_audio3 (utils.c:656) ==20746== by 0xFF27A0B: av_find_stream_info (utils.c:2045) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) ==20746== Uninitialised value was created by a heap allocation ==20746== at 0xFF7953C: malloc (vg_replace_malloc.c:236) ==20746== by 0xFCF2C83: av_malloc (mem.c:76) ==20746== by 0xFD71FB3: av_dup_packet (avpacket.c:81) ==20746== by 0xFF26C23: av_find_stream_info (utils.c:2261) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) ==20746== ==20746== Conditional jump or move depends on uninitialised value(s) ==20746== at 0xFDDE8FC: ff_mpa_synth_filter (mpegaudiodec.c:843) ==20746== by 0xFDE430B: decode_frame (mpegaudiodec.c:2204) ==20746== by 0xFDF051B: avcodec_decode_audio3 (utils.c:656) ==20746== by 0xFF27A0B: av_find_stream_info (utils.c:2045) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) ==20746== Uninitialised value was created by a heap allocation ==20746== at 0xFF7953C: malloc (vg_replace_malloc.c:236) ==20746== by 0xFCF2C83: av_malloc (mem.c:76) ==20746== by 0xFD71FB3: av_dup_packet (avpacket.c:81) ==20746== by 0xFF26C23: av_find_stream_info (utils.c:2261) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) ==20746== ==20746== Conditional jump or move depends on uninitialised value(s) ==20746== at 0xFDDED70: ff_mpa_synth_filter (mpegaudiodec.c:728) ==20746== by 0xFDE430B: decode_frame (mpegaudiodec.c:2204) ==20746== by 0xFDF051B: avcodec_decode_audio3 (utils.c:656) ==20746== by 0xFF27A0B: av_find_stream_info (utils.c:2045) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) ==20746== Uninitialised value was created by a heap allocation ==20746== at 0xFF7953C: malloc (vg_replace_malloc.c:236) ==20746== by 0xFCF2C83: av_malloc (mem.c:76) ==20746== by 0xFD71FB3: av_dup_packet (avpacket.c:81) ==20746== by 0xFF26C23: av_find_stream_info (utils.c:2261) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) ==20746== ==20746== Conditional jump or move depends on uninitialised value(s) ==20746== at 0xFDDED80: ff_mpa_synth_filter (mpegaudiodec.c:856) ==20746== by 0xFDE430B: decode_frame (mpegaudiodec.c:2204) ==20746== by 0xFDF051B: avcodec_decode_audio3 (utils.c:656) ==20746== by 0xFF27A0B: av_find_stream_info (utils.c:2045) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) ==20746== Uninitialised value was created by a heap allocation ==20746== at 0xFF7953C: malloc (vg_replace_malloc.c:236) ==20746== by 0xFCF2C83: av_malloc (mem.c:76) ==20746== by 0xFD71FB3: av_dup_packet (avpacket.c:81) ==20746== by 0xFF26C23: av_find_stream_info (utils.c:2261) ==20746== by 0x10009927: opt_input_file (ffmpeg.c:3041) ==20746== by 0x1001114F: parse_options (cmdutils.c:177) ==20746== by 0x1000BD4F: main (ffmpeg.c:4143) -Vitor _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
