I made mistake. FFMPEG2.4 + aac_quality_improvment.patch do not solve the issue with sampling rate 16000. I will wait for patch update.
On 20 September 2014 15:10, adev dev <androiddevma...@gmail.com> wrote: > I do not know why some warnings are treated as errors. I added flag > -disable-werror but still the same. I will wait for update of that patch. > For now I managed to build FFMPEG2.4 + aac_quality_improvment.patch. At > least that problem with pulsing noice is fixed by that patch. Thanks for > help! > > On 20 September 2014 14:14, Claudio Freire <klaussfre...@gmail.com> wrote: > >> On Sat, Sep 20, 2014 at 6:33 AM, adev dev <androiddevma...@gmail.com> >> wrote: >> > This is information about the file which cannot be compressed: >> > Metadata: >> > major_brand : isom >> > minor_version : 0 >> > compatible_brands: isom3gp4 >> > creation_time : 1948-08-31 11:42:22 >> > Duration: 00:00:47.68, start: 0.000000, bitrate: 96 kb/s >> > Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 16000 Hz, mono, >> s16, >> > 96 kb/s >> > Metadata: >> > creation_time : 1948-08-31 11:42:22 >> > handler_name : SoundHandle >> > >> > >> > I managed to build FFMPEG 2.4 and it is working. I can compress sound >> with >> > parameters 96000 and sampling rate 16000. However there is problem with >> > applying patch aac-improvements-wip-v8g.It failes with info: 1 out of 3 >> > hunks FAILED -- saving rejects to file libavcodec/psymodel.h.rej. File >> > psymodel.h.rej looks following: >> >> I guess it needs rebasing. I didn't think there were changes to those >> files after the last rebase, but I guess there were. >> >> >> > Build fails with: >> > >> > libavcodec/aaccoder.c:910:13: error: implicit declaration of function >> > '_AAC_CUTOFF' [-Werror=implicit-function-declaration] >> > libavcodec/aaccoder.c:814:44: warning: variable 'energies' set but not >> used >> > [-Wunused-but-set-variable] >> > libavcodec/aaccoder.c: At top level: >> > libavcodec/aaccoder.c:366:14: warning: 'find_max_absval' defined but not >> > used [-Wunused-function] >> > cc1: some warnings being treated as errors >> > >> > make: *** [libavcodec/aaccoder.o] Error 1 >> > make: *** Waiting for unfinished jobs.... >> > CC libavcodec/aacenc.o >> > libavcodec/aacdec.c: In function 'imdct_and_windowing_eld': >> > libavcodec/aacdec.c:2590:29: warning: array subscript is above array >> bounds >> > [-Warray-bounds] >> > libavcodec/aacdec.c:2596:29: warning: array subscript is above array >> bounds >> > [-Warray-bounds] >> > Native build complete, exiting... >> > marcin@marcin:~/android-dev/FFFMPEG_BUILDS/ffmpeg-2.4-build-scrypts$ >> >> Why are warnings treated as errors? >> >> > Good info is that with 2.4 it is working but it would be very good to >> apply >> > this patch to improve quality of aac. Is there any fix for this patch >> > problem?? >> >> Yeah, rebasing. I'll do so when I find the time. >> _______________________________________________ >> Libav-user mailing list >> Libav-user@ffmpeg.org >> http://ffmpeg.org/mailman/listinfo/libav-user >> > >
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