media-add-ons/mixer/MixerInput.cpp

149 	int offset = frames_for_duration(fMixBufferFrameRate, start)
152 	PRINT(4, "MixerInput::BufferReceived: buffer start %10Ld, offset %6d\n",
153 		start, offset);
170 		if (offset != expected_frame) {
171 			// due to rounding and other errors, offset might be off by +/- 1
173 			if (offset == fLastDataFrameWritten) {
176 //					fLastDataFrameWritten, expected_frame, offset);
177 				offset = expected_frame;
178 			} else if (offset == ((fLastDataFrameWritten + 2)
182 //					fLastDataFrameWritten, expected_frame, offset);
183 				offset = expected_frame;
187 					"\n", fLastDataFrameWritten, expected_frame, offset);
196 						offset = expected_frame;
213 						offset = expected_frame;
232 //		frames_per_buffer(fInput.format.u.raw_audio)), offset,
233 //		offset + out_frames);
234 	if (offset + out_frames > fMixBufferFrameCount) {
235 		int out_frames1 = fMixBufferFrameCount - offset;
244 //			frames_per_buffer(fInput.format.u.raw_audio)), offset,
245 //			offset + out_frames1 - 1, 0, out_frames2 - 1);
250 			frames_per_buffer(fInput.format.u.raw_audio)), offset,
251 			offset + out_frames1 - 1, 0, out_frames2 - 1);
259 		// convert offset from frames into bytes
260 		offset *= sizeof(float) * fInputChannelCount;
268 					+ offset, fInputChannelCount * sizeof(float), out_frames1,
285 //			frames_per_buffer(fInput.format.u.raw_audio)), offset,
286 //			offset + out_frames - 1);
290 			frames_per_buffer(fInput.format.u.raw_audio)), offset,
291 			offset + out_frames - 1);
294 		fLastDataFrameWritten = offset + out_frames - 1;
295 		// convert offset from frames into bytes
296 		offset *= sizeof(float) * fInputChannelCount;
303 					+ offset, fInputChannelCount * sizeof(float),