kits/game/GameProducer.cpp

42 	const gs_audio_format* format)
52 	// initialize our preferred format object
54 	fPreferredFormat.u.raw_audio.format = format->format;
55 	fPreferredFormat.u.raw_audio.channel_count = format->channel_count;
56 	fPreferredFormat.u.raw_audio.frame_rate = format->frame_rate; // Hertz
57 	fPreferredFormat.u.raw_audio.byte_order = format->byte_order;
69 	fOutput.format = fPreferredFormat;
71 	fFrameSize = get_sample_size(format->format) * format->channel_count;
130 	media_format* format)
132 	// insure that we received a format
133 	if (!format)
136 	// returning our preferred format
137 	*format = fPreferredFormat;
139 	// our format is supported
149 GameProducer::FormatProposal(const media_source& output, media_format* format)
155 	// return our preferred format
156 	*format = fPreferredFormat;
158 	// we will reject the proposal if the format is not audio
159 	media_type requestedType = format->type;
171 	const media_destination& where, media_format* format,
174 	// The format has been processed by the consumer at this point. We need
175 	// to insure the format is still acceptable and any wild care are filled in.
185 	// the format may not yet be fully specialized (the consumer might have
187 	// error if we don't support the requested format.
188 	if (format->type != B_MEDIA_RAW_AUDIO)
191 	if (format->u.raw_audio.format != fPreferredFormat.u.raw_audio.format)
195 	if (format->u.raw_audio.buffer_size
197 		format->u.raw_audio.buffer_size = 4096;
203 	fOutput.format = *format;
212 	const media_destination& destination, const media_format& format,
220 		fOutput.format = fPreferredFormat;
225 	// format that we agreed on, and report our connection name again.
227 	fOutput.format = format;
236 		fBufferSize = fOutput.format.u.raw_audio.buffer_size;
263 		/ bigtime_t(fOutput.format.u.raw_audio.frame_rate);
282 		fOutput.format = fPreferredFormat;
294 	// we don't support any other formats, so we just reject any format changes.
330 		fBufferSize = fOutput.format.u.raw_audio.buffer_size;
506 					/ double(fOutput.format.u.raw_audio.frame_rate)
561 			/ double(fOutput.format.u.raw_audio.frame_rate) * 1000000.0);