Cross Reference: /frameworks/av/media/libstagefright/codecs/aacenc/src/transform.c

Lines Matching defs:mdctDelayBuffer
397 static void shiftMdctDelayBuffer(Word16 *mdctDelayBuffer, /*! start of mdct delay buffer */
403 	Word16 *srBuf = mdctDelayBuffer;
404 	Word16 *dsBuf = mdctDelayBuffer+FRAME_LEN_LONG;
414 	srBuf = mdctDelayBuffer + BLOCK_SWITCHING_OFFSET-FRAME_LEN_LONG;
462 void Transform_Real(Word16 *mdctDelayBuffer,
488 		delayBufferSf = getScalefactorOfShortVectorStride(mdctDelayBuffer,BLOCK_SWITCHING_OFFSET,1);
493 		dctIn0 = mdctDelayBuffer;
494 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
509 		shiftMdctDelayBuffer(mdctDelayBuffer,timeSignal,chIncrement);
512 		dctIn0 = mdctDelayBuffer;
513 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
537 		minSf = getScalefactorOfShortVectorStride(mdctDelayBuffer,BLOCK_SWITCHING_OFFSET,1);
540 		dctIn0 = mdctDelayBuffer;
541 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
555 		shiftMdctDelayBuffer(mdctDelayBuffer,timeSignal,chIncrement);
559 			*outData0-- = -mdctDelayBuffer[i] << (15 - 2 + minSf);
563 		dctIn0 = mdctDelayBuffer + LS_TRANS;
564 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1 - LS_TRANS;
587 		delayBufferSf = getScalefactorOfShortVectorStride(mdctDelayBuffer+LS_TRANS,BLOCK_SWITCHING_OFFSET-LS_TRANS,1);
593 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
599 		dctIn0 = mdctDelayBuffer + LS_TRANS;
600 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1 - LS_TRANS;
612 		shiftMdctDelayBuffer(mdctDelayBuffer,timeSignal,chIncrement);
615 		dctIn0 = mdctDelayBuffer;
616 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
638 		minSf = getScalefactorOfShortVectorStride(mdctDelayBuffer+TRANSFORM_OFFSET_SHORT,9*FRAME_LEN_SHORT,1);
643 			dctIn0 = mdctDelayBuffer+w*FRAME_LEN_SHORT+TRANSFORM_OFFSET_SHORT;
644 			dctIn1 = mdctDelayBuffer+w*FRAME_LEN_SHORT+TRANSFORM_OFFSET_SHORT + FRAME_LEN_SHORT-1;
674 		shiftMdctDelayBuffer(mdctDelayBuffer,timeSignal,chIncrement);