75 lines
4.2 KiB
C
75 lines
4.2 KiB
C
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#pragma once
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#include <bfc/dispatch.h>
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#include "../nsavi/avi_header.h"
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#include <api/service/services.h>
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class ifc_avivideodecoder;
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class ifc_aviaudiodecoder;
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class ifc_avitextdecoder;
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class ifc_avimididecoder;
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class NOVTABLE svc_avidecoder : public Dispatchable
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{
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protected:
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svc_avidecoder() {}
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~svc_avidecoder() {}
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public:
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static FOURCC getServiceType() { return WaSvc::AVIDECODER; }
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enum
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{
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CREATEDECODER_SUCCESS = 0,
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CREATEDECODER_NOT_MINE = -1, // graceful failure
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CREATEDECODER_FAILURE = 1, // generic failure - codec_id is ours but we weren't able to create the decoder (e.g. track_entry_data)
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};
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int CreateAudioDecoder(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data,
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unsigned int preferred_bits, unsigned int max_channels, bool floating_point,
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ifc_aviaudiodecoder **decoder);
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int CreateVideoDecoder(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, ifc_avivideodecoder **decoder);
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// for retrieving short codec names, e.g. "MPEG Audio" or "H.264"
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int GetAudioCodec(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, wchar_t *buf, size_t buf_cch);
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int GetVideoCodec(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, wchar_t *buf, size_t buf_cch);
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// for longer description, e.g. "H.264 320x240" or "PCM 16bit stereo 44.1khz"
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int GetAudioDescription(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, wchar_t *buf, size_t buf_cch);
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int GetVideoDescription(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, wchar_t *buf, size_t buf_cch);
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DISPATCH_CODES
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{
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CREATE_AUDIO_DECODER = 0,
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CREATE_VIDEO_DECODER = 1,
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GET_AUDIO_CODEC = 2,
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GET_VIDEO_CODEC = 3,
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GET_AUDIO_DESCRIPTION = 4,
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GET_VIDEO_DESCRIPTION = 5,
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};
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};
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inline int svc_avidecoder::CreateAudioDecoder(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, unsigned int preferred_bits, unsigned int max_channels, bool floating_point, ifc_aviaudiodecoder **decoder)
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{
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return _call(CREATE_AUDIO_DECODER, (int)CREATEDECODER_NOT_MINE, avi_header, stream_header, stream_format, stream_data, preferred_bits, max_channels, floating_point, decoder);
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}
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inline int svc_avidecoder::CreateVideoDecoder(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, ifc_avivideodecoder **decoder)
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{
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return _call(CREATE_VIDEO_DECODER, (int)CREATEDECODER_NOT_MINE, avi_header, stream_header, stream_format, stream_data, decoder);
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}
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inline int svc_avidecoder::GetAudioCodec(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, wchar_t *buf, size_t buf_cch)
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{
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return _call(GET_AUDIO_CODEC, (int)CREATEDECODER_NOT_MINE, avi_header, stream_header, stream_format, stream_data, buf, buf_cch);
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}
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inline int svc_avidecoder::GetVideoCodec(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, wchar_t *buf, size_t buf_cch)
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{
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return _call(GET_VIDEO_CODEC, (int)CREATEDECODER_NOT_MINE, avi_header, stream_header, stream_format, stream_data, buf, buf_cch);
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}
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inline int svc_avidecoder::GetAudioDescription(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, wchar_t *buf, size_t buf_cch)
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{
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return _call(GET_AUDIO_DESCRIPTION, (int)CREATEDECODER_NOT_MINE, avi_header, stream_header, stream_format, stream_data, buf, buf_cch);
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}
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inline int svc_avidecoder::GetVideoDescription(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, wchar_t *buf, size_t buf_cch)
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{
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return _call(GET_VIDEO_DESCRIPTION, (int)CREATEDECODER_NOT_MINE, avi_header, stream_header, stream_format, stream_data, buf, buf_cch);
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}
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