addons/common/AudioFilterNode.cpp

80 // requests the required format for the given type (ioFormat.type must be
84 // - raw_audio format:
103 	f.format = media_raw_audio_format::B_AUDIO_FLOAT;
112 // test the given template format against a proposed format.
114 // non-wildcard data; write required fields into proposed format
116 // Returns B_OK if the proposed format doesn't conflict with the
129 	PRINT(("\ttemplate format: %s\n", formatStr));
132 	PRINT(("\tincoming proposed format: %s\n", formatStr));
150 	PRINT(("\toutbound proposed format: %s\n", formatStr));
183 	if(f.format == w.format) {
184 		ASSERT(p.format);
185 		f.format = p.format;
350 	m_input.format.type = B_MEDIA_RAW_AUDIO;
351 	err = getRequiredInputFormat(m_input.format);
362 	m_output.format.type = B_MEDIA_RAW_AUDIO;
363 	err = getRequiredOutputFormat(m_output.format);
415 //	// validate against current input/output format for now
417 //		(m_format.u.raw_audio.format != media_raw_audio_format::wildcard.format) ?
421 	// validate against required format
428 		// Further specialize the format, in case of any remaining wildcards.
432 		ioFormat->SpecializeTo(&m_output.format);
436 				* (m_output.format.u.raw_audio.buffer_size
437 					/ bytes_per_frame(m_output.format.u.raw_audio));
444 			m_output.format.u.raw_audio);
447 			// format passed validation, but factory failed to provide a
452 				"*** AcceptFormat(): format validated, but no operation found:\n"
462 	// format passed inspection
505 			m_output.format.u.raw_audio.buffer_size, -1);
543 // * make sure to fill in poInput->format with the contents of
544 //   pFormat; as of R4.5 the Media Kit passes poInput->format to
550 	const media_format&					format,
568 	m_input.format = format;
601 	getRequiredInputFormat(m_input.format);
621 //  format is going to change. Note that this may be called in response to
623 //  fields in the specified format.
626 //  shouldn't) ask it if the new format is acceptable.
628 //  If the format change isn't possible, return an appropriate error from
630 //  initiated the new format negotiation in the first place."
638 	// flat-out deny format changes for now +++++
747 	const media_format&					format,
755 	string_for_format(format, formatStr, 255);
802 			m_output.format.u.raw_audio));
833 	getRequiredOutputFormat(m_output.format);
893 	// validate against required format
905 //	// specialize the format
914 //			m_input.format.u.raw_audio,
918 //			// format passed validation, but factory failed to provide a
923 //				"*** FormatProposal(): format validated, but no operation found:\n"
933 	// format passed inspection
1043 // PrepareToConnect() is the second stage of format negotiations that happens
1046 // format.  It may also have left wildcards in the format.  PrepareToConnect()
1047 // *must* fully specialize the format before returning!
1060 		"\tproposed format: %s\n", formatStr));
1072 		PRINT(("\tBad format type.\n"));
1098 	m_output.format = *ioFormat;
1286 	m_output.format = newFormat;
1316 		m_input.format.u.raw_audio,
1317 		m_output.format.u.raw_audio);
1355 	size_t inputSize = bytes_per_frame(m_input.format.u.raw_audio);
1356 	size_t outputSize = bytes_per_frame(m_output.format.u.raw_audio);
1409 		bufferCount, m_output.format.u.raw_audio.buffer_size));
1412 		m_output.format.u.raw_audio.buffer_size,
1430 		m_input.format.u.raw_audio.buffer_size,
1431 		m_output.format.u.raw_audio.buffer_size);
1443 	buffer->Header()->size_used = m_input.format.u.raw_audio.buffer_size;
1471 	AudioBuffer input(m_input.format.u.raw_audio, inputBuffer);
1472 	AudioBuffer output(m_output.format.u.raw_audio, outputBuffer);
1497 		int64 toProcess = frames_for_duration(output.format(), nextEventTime - targetTime);
1518 	outputBuffer->Header()->size_used = input.frames() * bytes_per_frame(m_output.format.u.raw_audio);