I want decode the wma type file use the FFmpeg,
compiled it with options
--enable-decoder=wmav1 --enable-decoder=wmav2, --enable-encoder=wmav1, --enable-encoder=wmav2 --enable-demuxer=xwma
and the source code i use it like this:
av_register_all();
//avcodec_register_all();
if ((ret = avformat_open_input(&fmt_ctx, src_filename, 0, 0)) < 0) {
LOG("Could not open source file %s, ret:%d", src_filename, ret);
return;
}
if ((ret = avformat_find_stream_info(fmt_ctx, 0)) < 0) {
LOG("Could not find stream information---ret:%d", ret);
return;
}
and avformat_find_stream_info fail with ret:-541478725
and add ffmpeg -i <inputfile> commandline log:
D:\Downloads\ffmpeg-static\bin>ffmpeg.exe -i ring.wma
ffmpeg version N-76684-g1fe82ab Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 5.2.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --
enable-lzma --enable-decklink --enable-zlib
libavutil 55. 6.100 / 55. 6.100
libavcodec 57. 15.100 / 57. 15.100
libavformat 57. 14.100 / 57. 14.100
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 15.100 / 6. 15.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, asf, from 'ring.wma':
Metadata:
WMFSDKNeeded : 0.0.0.0000
DeviceConformanceTemplate: L3
WMFSDKVersion : 11.0.6001.7001
IsVBR : 0
PeakValue : 18081
AverageLevel : 1915
Duration: 00:00:07.80, start: 0.000000, bitrate: 206 kb/s
Stream #0:0: Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz, 2 channels, fltp,
192 kb/s
any tips?
And which option must be include when i want to decode a special type file?
thank you.
You need --enable-demuxer=asf. xwma is a fringe format which isn't really used very much, wma audio is typically packed in the asf container. These files will still have the '.wma' extension.