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| #include <AudioConverterFfmpeg.h> | |
| namespace poly { | |
| /* -------------------------------------------------------- */ | |
| static AVSampleFormat audiobitsize_to_avsampleformat(AudioBitSize bs, bool isInterleaved); | |
| static uint64_t audiomode_to_avchannellayout(AudioMode mode); | |
| static int audiomode_to_numchannels(AudioMode mode); | |
| /* -------------------------------------------------------- */ | |
| AudioConverterFfmpeg::AudioConverterFfmpeg() | |
| :listener(NULL) | |
| ,ctx(NULL) | |
| ,src_rate(-1) | |
| ,dst_rate(-1) | |
| ,dst_chanlayout(0) | |
| ,dst_format(AV_SAMPLE_FMT_NONE) | |
| ,dst_nchannels(-1) | |
| ,dst_nbytes_allocated(0) | |
| ,dst_linesize(-1) | |
| ,dst_max_samples(-1) | |
| ,dst_data(NULL) | |
| { | |
| } | |
| AudioConverterFfmpeg::~AudioConverterFfmpeg() { | |
| } | |
| int AudioConverterFfmpeg::init(AudioSettings from, AudioSettings to, AudioConverterListener* lis) { | |
| int r = 0; | |
| if (NULL == lis) { | |
| SX_ERROR("Listener is NULL."); | |
| r = -1; | |
| goto error; | |
| } | |
| convert_from = from; | |
| convert_to = to; | |
| listener = lis; | |
| src_rate = audio_samplerate_get_int(from.samplerate); | |
| dst_chanlayout = audiomode_to_avchannellayout(to.mode); | |
| dst_rate = audio_samplerate_get_int(to.samplerate); | |
| dst_format = audiobitsize_to_avsampleformat(to.bitsize, to.is_interleaved); | |
| dst_nchannels = av_get_channel_layout_nb_channels(audiomode_to_avchannellayout(to.mode)); | |
| ctx = swr_alloc(); | |
| if (NULL == ctx) { | |
| SX_ERROR("Failed to allocate the resample context."); | |
| r = -2; | |
| goto error; | |
| } | |
| av_opt_set_int(ctx, "in_channel_layout", audiomode_to_avchannellayout(from.mode), 0); | |
| av_opt_set_int(ctx, "in_sample_rate", src_rate, 0); | |
| av_opt_set_sample_fmt(ctx, "in_sample_fmt", audiobitsize_to_avsampleformat(from.bitsize, from.is_interleaved), 0); | |
| av_opt_set_int(ctx, "out_channel_layout", dst_chanlayout, 0); | |
| av_opt_set_int(ctx, "out_sample_rate", dst_rate, 0); | |
| av_opt_set_sample_fmt(ctx, "out_sample_fmt", dst_format, 0); | |
| if ( (r = swr_init(ctx)) < 0) { | |
| SX_ERROR("Failed to initialize the resample context."); | |
| r = -3; | |
| goto error; | |
| } | |
| error: | |
| if (r < 0) { | |
| shutdown(); | |
| } | |
| return r; | |
| } | |
| int AudioConverterFfmpeg::shutdown() { | |
| int r = 0; | |
| if (NULL != ctx) { | |
| swr_free(&ctx); | |
| ctx = NULL; | |
| } | |
| if (NULL != dst_data) { | |
| free(dst_data); | |
| dst_data = NULL; | |
| } | |
| src_rate = -1; | |
| dst_rate = -1; | |
| dst_format = AV_SAMPLE_FMT_NONE; | |
| dst_nchannels = -1; | |
| dst_nbytes_allocated = -1; | |
| dst_linesize = -1; | |
| dst_max_samples = -1; | |
| return r; | |
| } | |
| int AudioConverterFfmpeg::convert(void* data, size_t nbytes, size_t nframes) { | |
| if (NULL == data) { | |
| SX_ERROR("data is NULL."); | |
| return -1; | |
| } | |
| if (0 == nbytes) { | |
| SX_ERROR("nbytes is 0."); | |
| return -2; | |
| } | |
| if (0 == nframes) { | |
| SX_ERROR("nframes is 0."); | |
| return -3; | |
| } | |
| if (NULL == ctx) { | |
| SX_ERROR("ctx is NULL."); | |
| return -4; | |
| } | |
| int r = 0; | |
| int delayed_samples = swr_get_delay(ctx, src_rate); | |
| int num_dst_samples = av_rescale_rnd(delayed_samples + nframes, dst_rate, src_rate, AV_ROUND_UP); | |
| int nbytes_needed = av_samples_get_buffer_size(NULL, dst_nchannels, nframes, dst_format, 1); | |
| /* Allocate or reallocate the destination buffer. */ | |
| if (nbytes_needed > dst_nbytes_allocated) { | |
| if (NULL == dst_data) { | |
| dst_data = (uint8_t*)malloc(nbytes_needed); | |
| if (NULL == dst_data) { | |
| SX_ERROR("Failed to allocate the destination buffer of %d bytes.", nbytes_needed); | |
| return -1; | |
| } | |
| } | |
| else { | |
| dst_data = (uint8_t*)realloc(dst_data, nbytes_needed); | |
| if (NULL == dst_data) { | |
| SX_ERROR("Failed to reallocate the destination buffer of %d bytes.", nbytes_needed); | |
| return -2; | |
| } | |
| } | |
| dst_nbytes_allocated = nbytes_needed; | |
| } | |
| r = swr_convert(ctx, | |
| &dst_data, | |
| num_dst_samples, | |
| (const uint8_t**)data, | |
| nframes | |
| ); | |
| return r; | |
| } | |
| /* -------------------------------------------------------- */ | |
| static AVSampleFormat audiobitsize_to_avsampleformat(AudioBitSize bs, bool isInterleaved) { | |
| if (false == isInterleaved) { | |
| /* Planar */ | |
| switch (bs) { | |
| case AUDIO_BITSIZE_S16: { return AV_SAMPLE_FMT_S16P; } | |
| case AUDIO_BITSIZE_S32: { return AV_SAMPLE_FMT_S32P; } | |
| case AUDIO_BITSIZE_F32: { return AV_SAMPLE_FMT_FLTP; } | |
| default: { | |
| SX_ERROR("Unhandled AudioBitSize; cannot convert to AVSampleFormat. (exiting)."); | |
| exit(EXIT_FAILURE); | |
| } | |
| }; | |
| } | |
| else { | |
| /* Non-Planar */ | |
| switch (bs) { | |
| case AUDIO_BITSIZE_S16: { return AV_SAMPLE_FMT_S16; } | |
| case AUDIO_BITSIZE_S32: { return AV_SAMPLE_FMT_S32; } | |
| case AUDIO_BITSIZE_F32: { return AV_SAMPLE_FMT_FLT; } | |
| default: { | |
| SX_ERROR("Unhandled AudioBitSize; cannot convert to AVSampleFormat. (exiting)."); | |
| exit(EXIT_FAILURE); | |
| } | |
| } | |
| } | |
| } | |
| static uint64_t audiomode_to_avchannellayout(AudioMode mode) { | |
| if (AUDIO_MODE_STEREO == mode) { | |
| return AV_CH_LAYOUT_STEREO; | |
| } | |
| else if (AUDIO_MODE_MONO == mode) { | |
| return AV_CH_LAYOUT_MONO; | |
| } | |
| else { | |
| SX_ERROR("Unhandled AudioMode; cannot convert to avchannellayout. (exiting)."); | |
| exit(EXIT_FAILURE); | |
| } | |
| } | |
| static int audiomode_to_numchannels(AudioMode mode) { | |
| if (AUDIO_MODE_STEREO == mode) { | |
| return 2; | |
| } | |
| else if (AUDIO_MODE_MONO == mode) { | |
| return 1; | |
| } | |
| else { | |
| SX_ERROR("Unhandled AudioMode; cannot convert to number of channels.. (exiting)."); | |
| exit(EXIT_FAILURE); | |
| } | |
| } | |
| /* -------------------------------------------------------- */ | |
| } /* namespace poly */ |
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| #ifndef POLY_AUDIO_CONVERTER_FFMPEG_H | |
| #define POLY_AUDIO_CONVERTER_FFMPEG_H | |
| #include <poly/AudioTypes.h> | |
| #include <poly/AudioSettings.h> | |
| #include <poly/AudioConverterListener.h> | |
| extern "C" { | |
| # include <libavutil/opt.h> | |
| # include <libavutil/channel_layout.h> | |
| # include <libswresample/swresample.h> | |
| //#include <libavutil/samplefmt.h> | |
| } | |
| namespace poly { | |
| class AudioConverterFfmpeg { | |
| public: | |
| AudioConverterFfmpeg(); | |
| ~AudioConverterFfmpeg(); | |
| int init(AudioSettings convertFrom, AudioSettings convertTo, AudioConverterListener* lis); | |
| int shutdown(); | |
| int convert(void* data, size_t nbytes, size_t nframes); | |
| private: | |
| AudioConverterListener* listener; | |
| AudioSettings convert_from; | |
| AudioSettings convert_to; | |
| SwrContext* ctx; | |
| int src_rate; | |
| int dst_rate; | |
| int64_t dst_chanlayout; | |
| AVSampleFormat dst_format; | |
| int dst_nchannels; | |
| int dst_nbytes_allocated; | |
| int dst_linesize; | |
| uint8_t* dst_data; | |
| int dst_max_samples; | |
| }; | |
| } /* namespace poly */ | |
| #endif |
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| Process 15070 stopped | |
| * thread #8: tid = 0x563156, 0x000000010008b7dc test_ffmpeg_audio_converter_debug`___lldb_unnamed_function39$$test_ffmpeg_audio_converter_debug, name = 'com.apple.audio.IOThread.client', stop reason = EXC_BAD_ACCESS (code=1, address=0x0) | |
| frame #0: 0x000000010008b7dc test_ffmpeg_audio_converter_debug`___lldb_unnamed_function39$$test_ffmpeg_audio_converter_debug | |
| test_ffmpeg_audio_converter_debug`___lldb_unnamed_function39$$test_ffmpeg_audio_converter_debug: | |
| -> 0x10008b7dc <+0>: movdqa xmm0, xmmword ptr [rsi + 8*rdx] | |
| 0x10008b7e1 <+5>: movdqa xmm2, xmmword ptr [rsi + 8*rdx + 0x10] | |
| 0x10008b7e7 <+11>: movdqa xmm1, xmm0 | |
| 0x10008b7eb <+15>: shufps xmm0, xmm2, 0x88 ; xmm0 = xmm0[0,2],xmm2[0,2] | |
| (lldb) bt | |
| * thread #8: tid = 0x563156, 0x000000010008b7dc test_ffmpeg_audio_converter_debug`___lldb_unnamed_function39$$test_ffmpeg_audio_converter_debug, name = 'com.apple.audio.IOThread.client', stop reason = EXC_BAD_ACCESS (code=1, address=0x0) | |
| * frame #0: 0x000000010008b7dc test_ffmpeg_audio_converter_debug`___lldb_unnamed_function39$$test_ffmpeg_audio_converter_debug | |
| frame #1: 0x000000010007bda0 test_ffmpeg_audio_converter_debug`swri_audio_convert(ctx=0x0000607000006980, out=0x000062f0000033d0, in=0x000062f0000031b0, len=<unavailable>) + 576 at audioconvert.c:229 | |
| frame #2: 0x00000001000891b7 test_ffmpeg_audio_converter_debug`swr_convert_internal(s=0x000062f000000400, out=<unavailable>, out_count=558, in=0x000062f0000031b0, in_count=512) + 455 at swresample.c:634 | |
| frame #3: 0x00000001000889fd test_ffmpeg_audio_converter_debug`swr_convert(s=0x000062f000000400, out_arg=<unavailable>, out_count=558, in_arg=<unavailable>, in_count=0) + 941 at swresample.c:759 | |
| frame #4: 0x000000010005e5d3 test_ffmpeg_audio_converter_debug`poly::AudioConverterFfmpeg::convert(this=0x00000001000bf060, data=0x0000621000076d00, nbytes=4096, nframes=512) + 2419 at AudioConverterFfmpeg.cpp:151 | |
| frame #5: 0x0000000100007237 test_ffmpeg_audio_converter_debug`on_audio(data=0x0000621000076d00, nbytes=4096, nframes=512, user=0x0000000000000000) + 167 at test_ffmpeg_audio_converter.cpp:140 | |
| frame #6: 0x000000010001d1bd test_ffmpeg_audio_converter_debug`poly::read_callback(instream=0x000061700000f580, frameCountMin=512, frameCountMax=512) + 3805 at AudioCaptureSoundIo.cpp:521 | |
| frame #7: 0x0000000100069a01 test_ffmpeg_audio_converter_debug`read_callback_ca(userdata=0x000061700000f580, io_action_flags=0x0000700000322c54, in_time_stamp=0x00000001067280a0, in_bus_number=1, in_number_frames=512, io_data=0x0000000000000000) + 865 at coreaudio.c:1151 | |
| frame #8: 0x000000010647e799 CoreAudio`AUHAL::AUIOProc(unsigned int, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*) + 2221 | |
| frame #9: 0x00007fff8c423ea3 CoreAudio`HALC_ProxyIOContext::IOWorkLoop() + 2535 | |
| frame #10: 0x00007fff8c4233ee CoreAudio`HALC_ProxyIOContext::IOThreadEntry(void*) + 88 | |
| frame #11: 0x00007fff8c4232c3 CoreAudio`HALB_IOThread::Entry(void*) + 75 | |
| frame #12: 0x00007fff8e010c13 libsystem_pthread.dylib`_pthread_body + 131 | |
| frame #13: 0x00007fff8e010b90 libsystem_pthread.dylib`_pthread_start + 168 | |
| frame #14: 0x00007fff8e00e375 libsystem_pthread.dylib`thread_start + 13 |
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