Cross Reference: /system/bt/embdrv/sbc/decoder/srce/decoder-sbc.c

Lines Matching refs:context
41 PRIVATE OI_STATUS FindSyncword(OI_CODEC_SBC_DECODER_CONTEXT* context,
54   if (context->limitFrameFormat && context->enhancedEnabled) {
55     /* If the context is restricted, only search for specified SYNCWORD */
57   } else if (context->enhancedEnabled == FALSE) {
69     context->common.frameInfo.enhanced =
87     context->common.frameInfo.enhanced = FALSE;
98 static OI_STATUS DecodeBody(OI_CODEC_SBC_DECODER_CONTEXT* context,
102   OI_UINT frameSamples = context->common.frameInfo.nrof_blocks *
103                          context->common.frameInfo.nrof_subbands;
111           (sizeof(int16_t) * frameSamples * context->common.pcmStride) &&
118                              context->common.frameInfo.nrof_subbands *
119                              context->common.pcmStride) {
125   if (context->bufferedBlocks == 0) {
127     OI_SBC_ReadScalefactors(&context->common, bodyData, &bs);
130     OI_SBC_ComputeBitAllocation(&context->common);
133     if (context->common.frameInfo.mode == SBC_JOINT_STEREO) {
134       OI_SBC_ReadSamplesJoint(context, &bs);
136       OI_SBC_ReadSamples(context, &bs);
139     context->bufferedBlocks = context->common.frameInfo.nrof_blocks;
144                          context->common.pcmStride /
145                          context->common.frameInfo.nrof_subbands;
147     if (decode_block_count > context->bufferedBlocks) {
148       decode_block_count = context->bufferedBlocks;
152     decode_block_count = context->common.frameInfo.nrof_blocks;
158         context->common.frameInfo.nrof_blocks - context->bufferedBlocks;
159     OI_SBC_SynthFrame(context, pcmData, start_block, decode_block_count);
162   OI_ASSERT(context->bufferedBlocks >= decode_block_count);
163   context->bufferedBlocks -= decode_block_count;
165   frameSamples = decode_block_count * context->common.frameInfo.nrof_subbands;
170   if (context->common.frameInfo.nrof_channels == 1 &&
171       context->common.pcmStride == 2) {
181   *pcmBytes = frameSamples * sizeof(int16_t) * context->common.pcmStride;
182   if (context->bufferedBlocks > 0) {
189 PRIVATE OI_STATUS internal_DecodeRaw(OI_CODEC_SBC_DECODER_CONTEXT* context,
198   if (context->bufferedBlocks == 0) {
202     context->common.frameInfo.bitpool = bitpool;
206     bodyLen = OI_CODEC_SBC_CalculateFramelen(&context->common.frameInfo) -
219   status = DecodeBody(context, *frameData, pcmData, pcmBytes, TRUE);
228 OI_STATUS OI_CODEC_SBC_DecoderReset(OI_CODEC_SBC_DECODER_CONTEXT* context,
233   return internal_DecoderReset(context, decoderData, decoderDataBytes,
237 OI_STATUS OI_CODEC_SBC_DecodeFrame(OI_CODEC_SBC_DECODER_CONTEXT* context,
248   status = FindSyncword(context, frameData, frameBytes);
260   OI_SBC_ReadHeader(&context->common, *frameData);
269   if (context->limitFrameFormat &&
270       (context->common.frameInfo.subbands != context->restrictSubbands)) {
275   if (context->common.frameInfo.nrof_channels > context->common.maxChannels) {
282   if (context->common.pcmStride < 1 || context->common.pcmStride > 2) {
298   framelen = OI_CODEC_SBC_CalculateFramelen(&context->common.frameInfo);
306   crc = OI_SBC_CalculateChecksum(&context->common.frameInfo, *frameData);
307   if (crc != context->common.frameInfo.crc) {
309            context->common.frameInfo.crc));
318   if ((context->common.frameInfo.bitpool < SBC_MIN_BITPOOL) &&
319       !context->common.frameInfo.enhanced) {
321            context->common.frameInfo.bitpool));
324   if (context->common.frameInfo.bitpool >
325       OI_SBC_MaxBitpool(&context->common.frameInfo)) {
327            context->common.frameInfo.bitpool,
328            OI_SBC_MaxBitpool(&context->common.frameInfo)));
338   status = DecodeBody(context, *frameData + SBC_HEADER_LEN, pcmData, pcmBytes,
349 OI_STATUS OI_CODEC_SBC_SkipFrame(OI_CODEC_SBC_DECODER_CONTEXT* context,
357   status = FindSyncword(context, frameData, frameBytes);
364   OI_SBC_ReadHeader(&context->common, *frameData);
366       OI_SBC_CalculateFrameAndHeaderlen(&context->common.frameInfo, &headerlen);
370   crc = OI_SBC_CalculateChecksum(&context->common.frameInfo, *frameData);
371   if (crc != context->common.frameInfo.crc) {
377   context->bufferedBlocks = 0;
407     /* Inline logic to avoid corrupting context */
442 PRIVATE void OI_SBC_ReadSamplesJoint4(OI_CODEC_SBC_DECODER_CONTEXT* context,
449 PRIVATE void OI_SBC_ReadSamplesJoint8(OI_CODEC_SBC_DECODER_CONTEXT* context,
456 typedef void (*READ_SAMPLES)(OI_CODEC_SBC_DECODER_CONTEXT* context,
464 PRIVATE void OI_SBC_ReadSamplesJoint(OI_CODEC_SBC_DECODER_CONTEXT* context,
466   OI_CODEC_SBC_COMMON_CONTEXT* common = &context->common;
470   SpecializedReadSamples[nrof_subbands >> 3](context, global_bs);