media-add-ons/opensound/OpenSoundDeviceEngine.cpp

40 	// set default format
91 	// disable format convertions
441 OpenSoundDeviceEngine::WildcardFormatFor(int fmt, media_format &format,
449 	err = OpenSoundDevice::get_media_format_for(fmt, format);
453 	string_for_format(format, buf, 1024);
454 	if (format.type == B_MEDIA_RAW_AUDIO) {
455 		format.u.raw_audio = media_multi_audio_format::wildcard;
456 		format.u.raw_audio.byte_order = B_MEDIA_HOST_ENDIAN;
459 			format.u.raw_audio.frame_rate = OpenSoundDevice::convert_oss_rate_to_media_rate(Info()->max_rate);		// measured in Hertz
460 	} else if (format.type == B_MEDIA_ENCODED_AUDIO) {
461 		format.u.encoded_audio.output = media_multi_audio_format::wildcard;
462 		//format.u.encoded_audio.output.byte_order = B_MEDIA_HOST_ENDIAN;
465 		//	format.u.encoded_audio.output.frame_rate = OpenSoundDevice::convert_oss_rate_to_media_rate(Info()->max_rate);		// measured in Hertz
473 status_t OpenSoundDeviceEngine::PreferredFormatFor(int fmt, media_format &format, bool rec)
480 	err = WildcardFormatFor(fmt, format);
483 	if (format.type == B_MEDIA_RAW_AUDIO) {
484 		media_multi_audio_format &raw = format.u.raw_audio;
485 		//format.u.raw_audio.channel_count = Info()->max_channels;
492 		format.u.raw_audio.byte_order = B_MEDIA_HOST_ENDIAN;
493 		format.u.raw_audio.frame_rate = OpenSoundDevice::convert_oss_rate_to_media_rate(Info()->max_rate);		// measured in Hertz
494 		format.u.raw_audio.buffer_size = DEFAULT_BUFFER_SIZE;
496 	} else if (format.type == B_MEDIA_ENCODED_AUDIO) {
497 		media_raw_audio_format &raw = format.u.encoded_audio.output;
498 		//format.u.encoded_audio.output.channel_count = Info()->max_channels;
507 	string_for_format(format, buf, 1024);
513 status_t OpenSoundDeviceEngine::AcceptFormatFor(int fmt, media_format &format, bool rec)
532 	if (format.type == B_MEDIA_RAW_AUDIO) {
533 		media_multi_audio_format &raw = format.u.raw_audio;
543 		PRINT(("%s:step1  fmt=0x%08x, raw.format=0x%08" B_PRIx32 "\n",
544 			__FUNCTION__, fmt, raw.format));
546 		if (raw.format)
547 			afmt = OpenSoundDevice::convert_media_format_to_oss_format(raw.format);
553 			raw.format = OpenSoundDevice::convert_oss_format_to_media_format(afmt);
559 		raw.format = OpenSoundDevice::convert_oss_format_to_media_format(afmt);
560 		PRINT(("%s:step4 afmt=0x%08x, raw.format=0x%08" B_PRIx32 "\n",
561 			__FUNCTION__, afmt, raw.format));
596 	} else if (format.type == B_MEDIA_ENCODED_AUDIO) {
597 		media_raw_audio_format &raw = format.u.encoded_audio.output;
611 	fMediaFormat = format;
613 	string_for_format(format, buf, 1024);
619 status_t OpenSoundDeviceEngine::SpecializeFormatFor(int fmt, media_format &format, bool rec)
636 	if (format.type == B_MEDIA_RAW_AUDIO) {
637 		media_multi_audio_format &raw = format.u.raw_audio;
639 		PRINT(("%s:step1  fmt=0x%08x, raw.format=0x%08" B_PRIx32 "\n",
640 			__FUNCTION__, fmt, raw.format));
642 		if (!raw.format) {
644 			raw.format = OpenSoundDevice::convert_oss_format_to_media_format(afmt);
647 		if (raw.format)
648 			afmt = OpenSoundDevice::convert_media_format_to_oss_format(raw.format);
656 		raw.format = OpenSoundDevice::convert_oss_format_to_media_format(afmt);
657 		PRINT(("%s:step4 afmt=0x%08x, raw.format=0x%08" B_PRIx32 "\n",
658 			__FUNCTION__, afmt, raw.format));
704 						* (raw.format & media_raw_audio_format::B_AUDIO_SIZE_MASK)
724 /*						* (raw.format & media_raw_audio_format::B_AUDIO_SIZE_MASK)
726 	} else if (format.type == B_MEDIA_ENCODED_AUDIO) {
727 		media_raw_audio_format &raw = format.u.encoded_audio.output;
740 	fMediaFormat = format;
742 	string_for_format(format, buf, 1024);