diff options
Diffstat (limited to 'Src/Plugins/Input/in_mp4/mpeg4audio.h')
| -rw-r--r-- | Src/Plugins/Input/in_mp4/mpeg4audio.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/Src/Plugins/Input/in_mp4/mpeg4audio.h b/Src/Plugins/Input/in_mp4/mpeg4audio.h new file mode 100644 index 00000000..ff629b16 --- /dev/null +++ b/Src/Plugins/Input/in_mp4/mpeg4audio.h @@ -0,0 +1,208 @@ +#ifndef NULLSOFT_MPEG4AUDIOH +#define NULLSOFT_MPEG4AUDIOH +#include "../external_dependencies/libmp4v2/mp4.h" +#include <bfc/dispatch.h> +#include <bfc/platform/types.h> +#include <api/service/services.h> +enum +{ + MP4_SUCCESS = 0, + MP4_FAILURE = 1, + + MP4_GETOUTPUTPROPERTIES_NEED_MORE_INPUT = 2, + MP4_NEED_MORE_INPUT = 2, + + MP4_GETCURRENTBITRATE_UNKNOWN = 2, // unable to calculate (e.g. VBR for CT's decoder) + + MP4_OUTPUTFRAMESIZE_VARIABLE = 2, // don't know if any codecs do this + + MP4_TYPE_MPEG1_AUDIO = 0x6B, + MP4_TYPE_MPEG2_AUDIO = 0x69, + MP4_TYPE_MPEG2_AAC_MAIN_AUDIO = 0x66, + MP4_TYPE_MPEG2_AAC_LC_AUDIO = 0x67, + MP4_TYPE_MPEG2_AAC_SSR_AUDIO = 0x68, + MP4_TYPE_MPEG4_AUDIO = 0x40, + MP4_TYPE_PRIVATE_AUDIO = 0xC0, + MP4_TYPE_PCM16_LITTLE_ENDIAN_AUDIO = 0xE0, + MP4_TYPE_VORBIS_AUDIO = 0xE1, + MP4_TYPE_AC3_AUDIO = 0xE2, + MP4_TYPE_ALAW_AUDIO = 0xE3, + MP4_TYPE_ULAW_AUDIO = 0xE4, + MP4_TYPE_G723_AUDIO = 0xE5, + MP4_TYPE_PCM16_BIG_ENDIAN_AUDIO = 0xE6, + + /* MP4 MPEG-4 Audio types from 14496-3 Table 1.5.1 */ + MP4_MPEG4_TYPE_AAC_MAIN_AUDIO = 1, + MP4_MPEG4_TYPE_AAC_LC_AUDIO = 2, + MP4_MPEG4_TYPE_AAC_SSR_AUDIO = 3, + MP4_MPEG4_TYPE_AAC_LTP_AUDIO = 4, + MP4_MPEG4_TYPE_AAC_HE_AUDIO = 5, + MP4_MPEG4_TYPE_AAC_SCALABLE_AUDIO = 6, + MP4_MPEG4_TYPE_CELP_AUDIO = 8, + MP4_MPEG4_TYPE_HVXC_AUDIO = 9, + MP4_MPEG4_TYPE_TTSI_AUDIO = 12, + MP4_MPEG4_TYPE_MAIN_SYNTHETIC_AUDIO = 13, + MP4_MPEG4_TYPE_WAVETABLE_AUDIO = 14, + MP4_MPEG4_TYPE_MIDI_AUDIO = 15, + MP4_MPEG4_TYPE_ALGORITHMIC_FX_AUDIO = 16, + MP4_MPEG4_TYPE_PARAMETRIC_STEREO=29, + MP4_MPEG4_ALS_AUDIO=31, + MP4_MPEG4_LAYER1_AUDIO = 32, + MP4_MPEG4_LAYER2_AUDIO= 33, + MP4_MPEG4_LAYER3_AUDIO= 34, + + MP4_MPEG4_SLS_AUDIO=37, +}; + +class MP4AudioDecoder : public Dispatchable +{ +protected: + MP4AudioDecoder() {} + ~MP4AudioDecoder() {} + +public: + static FOURCC getServiceType() { return WaSvc::MP4AUDIODECODER; } + int Open(); + int OpenEx(size_t bits, size_t maxChannels, bool useFloat); + int OpenMP4(MP4FileHandle mp4_file, MP4TrackId mp4_track, size_t output_bits, size_t maxChannels, bool useFloat); + int AudioSpecificConfiguration(void *buffer, size_t buffer_size); // reads ASC block from mp4 file + int GetCurrentBitrate(unsigned int *bitrate); + int OutputFrameSize(size_t *frameSize); // in Frames + int GetOutputProperties(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample); // can return an error code for "havn't locked to stream yet" + int GetOutputPropertiesEx(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample, bool *isFloat); + int DecodeSample(void *inputBuffer, size_t inputBufferBytes, void *outputBuffer, size_t *outputBufferBytes); + void Flush(); + void Close(); + const char *GetCodecInfoString(); + int CanHandleCodec(const char *codecName); + int CanHandleType(uint8_t type); + int CanHandleMPEG4Type(uint8_t type); + int SetGain(float gain); + int RequireChunks(); // return 1 if your decoder wants to read whole chunks rather than samples + void EndOfStream(); + +public: + DISPATCH_CODES + { + MPEG4_AUDIO_OPEN = 10, + MPEG4_AUDIO_OPEN_EX = 11, + MPEG4_AUDIO_OPENMP4 = 12, + MPEG4_AUDIO_ASC = 20, + MPEG4_AUDIO_BITRATE = 30, + MPEG4_AUDIO_FRAMESIZE = 40, + MPEG4_AUDIO_OUTPUTINFO = 50, + MPEG4_AUDIO_OUTPUTINFO_EX = 51, + MPEG4_AUDIO_DECODE = 60, + MPEG4_AUDIO_FLUSH = 70, + MPEG4_AUDIO_CLOSE = 80, + MPEG4_AUDIO_CODEC_INFO_STRING = 90, + MPEG4_AUDIO_HANDLES_CODEC = 100, + MPEG4_AUDIO_HANDLES_TYPE = 110, + MPEG4_AUDIO_HANDLES_MPEG4_TYPE = 120, + MPEG4_AUDIO_SET_GAIN=130, + MPEG4_AUDIO_REQUIRE_CHUNKS = 140, + MPEG4_END_OF_STREAM = 150, + }; +}; + +inline int MP4AudioDecoder::Open() +{ + return _call(MPEG4_AUDIO_OPEN, (int)MP4_FAILURE); +} + +inline int MP4AudioDecoder::OpenEx(size_t bits, size_t maxChannels, bool useFloat) +{ + void *params[3] = { &bits, &maxChannels, &useFloat}; + int retval; + if (_dispatch(MPEG4_AUDIO_OPEN_EX, &retval, params, 3)) + return retval; + else + return Open(); +} + +inline int MP4AudioDecoder::OpenMP4(MP4FileHandle mp4_file, MP4TrackId mp4_track, size_t output_bits, size_t maxChannels, bool useFloat) +{ + void *params[5] = { &mp4_file, &mp4_track, &output_bits, &maxChannels, &useFloat}; + int retval; + if (_dispatch(MPEG4_AUDIO_OPENMP4, &retval, params, 5)) + return retval; + else + return OpenEx(output_bits, maxChannels, useFloat); +} + +inline int MP4AudioDecoder::AudioSpecificConfiguration(void *buffer, size_t buffer_size) +{ + return _call(MPEG4_AUDIO_ASC, (int)MP4_FAILURE, buffer, buffer_size); +} +inline int MP4AudioDecoder::GetCurrentBitrate(unsigned int *bitrate) +{ + return _call(MPEG4_AUDIO_BITRATE, (int)MP4_FAILURE, bitrate); +} +inline int MP4AudioDecoder::OutputFrameSize(size_t *frameSize) +{ + return _call(MPEG4_AUDIO_FRAMESIZE, (int)MP4_FAILURE, frameSize); +} +inline int MP4AudioDecoder::GetOutputProperties(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample) +{ + return _call(MPEG4_AUDIO_OUTPUTINFO, (int)MP4_FAILURE, sampleRate, channels, bitsPerSample); +} +inline int MP4AudioDecoder::GetOutputPropertiesEx(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample, bool *useFloat) +{ + void *params[4] = { &sampleRate, &channels, &bitsPerSample, &useFloat}; + int retval; + if (_dispatch(MPEG4_AUDIO_OUTPUTINFO_EX, &retval, params, 4)) + return retval; + else + { + *useFloat=false; + return GetOutputProperties(sampleRate, channels, bitsPerSample); + } +// return _call(MPEG4_AUDIO_OUTPUTINFO_EX, (int)MP4_FAILURE, sampleRate, channels, bitsPerSample); +} +inline int MP4AudioDecoder::DecodeSample(void *inputBuffer, size_t inputBufferBytes, void *outputBuffer, size_t *outputBufferBytes) +{ + return _call(MPEG4_AUDIO_DECODE, (int)MP4_FAILURE, inputBuffer, inputBufferBytes, outputBuffer, outputBufferBytes); +} + +inline void MP4AudioDecoder::Flush() +{ + _voidcall(MPEG4_AUDIO_FLUSH); +} +inline void MP4AudioDecoder::Close() +{ + _voidcall(MPEG4_AUDIO_CLOSE); +} +inline const char *MP4AudioDecoder::GetCodecInfoString() +{ + return _call(MPEG4_AUDIO_CODEC_INFO_STRING, (const char *)0); +} + +inline int MP4AudioDecoder::CanHandleCodec(const char *codecName) +{ + return _call(MPEG4_AUDIO_HANDLES_CODEC, (int)0, codecName); +} + +inline int MP4AudioDecoder::CanHandleType(uint8_t type) +{ + return _call(MPEG4_AUDIO_HANDLES_TYPE, (int)0, type); +} +inline int MP4AudioDecoder::CanHandleMPEG4Type(uint8_t type) +{ + return _call(MPEG4_AUDIO_HANDLES_MPEG4_TYPE, (int)0, type); +} + +inline int MP4AudioDecoder::SetGain(float gain) +{ + return _call(MPEG4_AUDIO_SET_GAIN, (int)MP4_FAILURE, gain); +} + +inline int MP4AudioDecoder::RequireChunks() +{ + return _call(MPEG4_AUDIO_REQUIRE_CHUNKS, (int)0); +} + +inline void MP4AudioDecoder::EndOfStream() +{ + _voidcall(MPEG4_END_OF_STREAM); +} +#endif |