[Ffmpeg-devel] 3gp audio corrupt

[Baptiste Coudurier]

Hi

Aaron Williams wrote:
>> [...]
>>   
> If I run ffplay_g in valgrind I am seeing uninitialized data warnings:
> 
> ==17523== Thread 4:
> ==17523== Use of uninitialised value of size 8
> ==17523==    at 0x7B2665: dtx_dec (sp_dec.c:568)
> ==17523==    by 0x7B801E: Decoder_amr (sp_dec.c:4655)
> ==17523==    by 0x7B9A94: Speech_Decode_Frame (sp_dec.c:5677)
> ==17523==    by 0x79AF76: Decoder_Interface_Decode (interf_dec.c:817)
> ==17523==    by 0x79AAA5: amr_nb_decode_frame (amr.c:438)
> ==17523==    by 0x46D495: avcodec_decode_audio (utils.c:924)
> ==17523==    by 0x41A808: sdl_audio_callback (ffplay.c:1493)
> ==17523==    by 0x572BF49: SDL_RunAudio (in /usr/lib64/libSDL-1.2.so.0.7.2)
> ==17523==    by 0x576F576: SDL_RunThread (in /usr/lib64/libSDL-1.2.so.0.7.2)
> ==17523==    by 0x576F918: (within /usr/lib64/libSDL-1.2.so.0.7.2)
> ==17523==    by 0x58B6192: start_thread (in /lib64/libpthread-2.4.so)
> ==17523==    by 0x5A8545C: clone (in /lib64/libc-2.4.so)
> ==17523==
> ==17523== Use of uninitialised value of size 8
> ==17523==    at 0x7B266D: dtx_dec (sp_dec.c:569)
> ==17523==    by 0x7B801E: Decoder_amr (sp_dec.c:4655)
> ==17523==    by 0x7B9A94: Speech_Decode_Frame (sp_dec.c:5677)
> ==17523==    by 0x79AF76: Decoder_Interface_Decode (interf_dec.c:817)
> ==17523==    by 0x79AAA5: amr_nb_decode_frame (amr.c:438)
> ==17523==    by 0x46D495: avcodec_decode_audio (utils.c:924)
> ==17523==    by 0x41A808: sdl_audio_callback (ffplay.c:1493)
> ==17523==    by 0x572BF49: SDL_RunAudio (in /usr/lib64/libSDL-1.2.so.0.7.2)
> ==17523==    by 0x576F576: SDL_RunThread (in /usr/lib64/libSDL-1.2.so.0.7.2)
> ==17523==    by 0x576F918: (within /usr/lib64/libSDL-1.2.so.0.7.2)
> ==17523==    by 0x58B6192: start_thread (in /lib64/libpthread-2.4.so)
> ==17523==    by 0x5A8545C: clone (in /lib64/libc-2.4.so)
> 

Audio do not seems corrupted to my hears. Those errors are located in
amr reference decoder from 3gpp. Im afraid nobody will dare to look in
that code, but I might be wrong.

-- 
Baptiste COUDURIER                              GnuPG Key Id: 0x5C1ABAAA
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