| /* /////////////////////////////////////////////////////////////////////// |
| // |
| // INTEL CORPORATION PROPRIETARY INFORMATION |
| // This software is supplied under the terms of a license agreement or |
| // nondisclosure agreement with Intel Corporation and may not be copied |
| // or disclosed except in accordance with the terms of that agreement. |
| // Copyright (c) 2008 Intel Corporation. All Rights Reserved. |
| // |
| // Description: Parses VC-1 picture layer for progressive P picture in advanced |
| // profile bitstream. |
| // |
| */ |
| |
| #include "vc1parse.h" |
| #include "viddec_fw_debug.h" |
| /*------------------------------------------------------------------------------ |
| * Parse picture layer. This function parses progressive P picture for advanced |
| * profile bitstream. |
| * Table 20 of SMPTE 421M after processing up to POSTPROC by |
| * vc1_ParsePictureHeader_Adv() but stopping before processing of macroblock |
| * layer. |
| *------------------------------------------------------------------------------ |
| */ |
| |
| vc1_Status vc1_ParsePictureHeader_ProgressivePpicture_Adv(void* ctxt, vc1_Info *pInfo) |
| { |
| uint8_t bit_count; |
| const uint8_t *table; |
| vc1_Status status = VC1_STATUS_OK; |
| vc1_metadata_t *md = &pInfo->metadata; |
| vc1_PictureLayerHeader *picLayerHeader = &pInfo->picLayerHeader; |
| |
| /* MVRANGE. */ |
| if ((status = vc1_MVRangeDecode(ctxt, pInfo)) != VC1_STATUS_OK) |
| return status; |
| |
| if (picLayerHeader->PQUANT > 12) |
| table = VC1_MVMODE_LOW_TBL; |
| else |
| table = VC1_MVMODE_HIGH_TBL; |
| |
| bit_count = 0; |
| VC1_GET_BITS9(1, picLayerHeader->MVMODE); |
| while ((picLayerHeader->MVMODE == 0) && (bit_count < 3)) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->MVMODE); |
| bit_count++; |
| } |
| if (bit_count == 3) |
| bit_count += picLayerHeader->MVMODE; |
| picLayerHeader->MVMODE = table[bit_count]; |
| |
| if (picLayerHeader->MVMODE == VC1_MVMODE_INTENSCOMP) |
| { |
| bit_count = 0; |
| VC1_GET_BITS9(1, picLayerHeader->MVMODE2); |
| while ((picLayerHeader->MVMODE2 == 0) && (bit_count < 2)) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->MVMODE2); |
| bit_count++; |
| } |
| if (bit_count == 2 && picLayerHeader->MVMODE2 == 0) |
| bit_count++; |
| picLayerHeader->MVMODE2 = table[bit_count]; |
| VC1_GET_BITS9(6, picLayerHeader->LUMSCALE); |
| VC1_GET_BITS9(6, picLayerHeader->LUMSHIFT); |
| md->LUMSCALE2 = picLayerHeader->LUMSCALE; |
| md->LUMSHIFT2 = picLayerHeader->LUMSHIFT; |
| } |
| else |
| #ifdef VBP |
| picLayerHeader->MVMODE2 = 0; |
| #else |
| picLayerHeader->MVMODE2 = picLayerHeader->MVMODE; |
| #endif |
| |
| if ((picLayerHeader->MVMODE == VC1_MVMODE_MIXED_MV) || |
| ((picLayerHeader->MVMODE == VC1_MVMODE_INTENSCOMP) && |
| (picLayerHeader->MVMODE2 == VC1_MVMODE_MIXED_MV))) |
| { |
| if ((status = vc1_DecodeBitplane(ctxt, pInfo, |
| md->widthMB, md->heightMB, BPP_MVTYPEMB)) != |
| VC1_STATUS_OK) |
| { |
| return status; |
| } |
| } |
| |
| if ((status = vc1_DecodeBitplane(ctxt, pInfo, |
| md->widthMB, md->heightMB, BPP_SKIPMB)) != VC1_STATUS_OK) |
| { |
| return status; |
| } |
| |
| VC1_GET_BITS9(2, picLayerHeader->MVTAB); |
| VC1_GET_BITS9(2, picLayerHeader->CBPTAB); |
| |
| if ((status = vc1_VOPDQuant(ctxt, pInfo)) != VC1_STATUS_OK) |
| return status; |
| |
| if (md->VSTRANSFORM == 1) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->TTMBF); |
| if (picLayerHeader->TTMBF == 1) |
| { |
| VC1_GET_BITS9(2, picLayerHeader->TTFRM); |
| } |
| } |
| |
| VC1_GET_BITS9(1, picLayerHeader->TRANSACFRM); |
| if (picLayerHeader->TRANSACFRM == 1) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->TRANSACFRM); |
| picLayerHeader->TRANSACFRM += 2; |
| } |
| |
| VC1_GET_BITS9(1, picLayerHeader->TRANSDCTAB); |
| |
| /* Skip parsing of macroblock layer. */ |
| |
| return status; |
| } |
| |
| /*------------------------------------------------------------------------------ |
| * Parse picture layer. This function parses interlace P frame for advanced |
| * profile bitstream. |
| * Table 83 of SMPTE 421M after processing up to POSTPROC by |
| * vc1_ParsePictureHeader_Adv() but stopping before processing of macroblock |
| * layer. |
| *------------------------------------------------------------------------------ |
| */ |
| |
| vc1_Status vc1_ParsePictureHeader_InterlacePpicture_Adv(void* ctxt, vc1_Info *pInfo) |
| { |
| vc1_Status status = VC1_STATUS_OK; |
| vc1_metadata_t *md = &pInfo->metadata; |
| vc1_PictureLayerHeader *picLayerHeader = &pInfo->picLayerHeader; |
| |
| /* MVRANGE. */ |
| if ((status = vc1_MVRangeDecode(ctxt, pInfo)) != VC1_STATUS_OK) |
| return status; |
| |
| /* DMVRANGE. */ |
| if ((status = vc1_DMVRangeDecode(ctxt, pInfo)) != VC1_STATUS_OK) |
| return status; |
| |
| VC1_GET_BITS9(1, picLayerHeader->MV4SWITCH); |
| |
| VC1_GET_BITS9(1, picLayerHeader->INTCOMP); |
| if (picLayerHeader->INTCOMP) |
| { |
| VC1_GET_BITS9(6, picLayerHeader->LUMSCALE); |
| VC1_GET_BITS9(6, picLayerHeader->LUMSHIFT); |
| md->LUMSCALE2 = picLayerHeader->LUMSCALE; |
| md->LUMSHIFT2 = picLayerHeader->LUMSHIFT; |
| } |
| |
| if ((status = vc1_DecodeBitplane(ctxt, pInfo, |
| md->widthMB, md->heightMB, BPP_SKIPMB)) != VC1_STATUS_OK) |
| { |
| return status; |
| } |
| |
| VC1_GET_BITS9(2, picLayerHeader->MBMODETAB); |
| VC1_GET_BITS9(2, picLayerHeader->MVTAB); /* IMVTAB. */ |
| VC1_GET_BITS9(3, picLayerHeader->CBPTAB); /* ICBPTAB. */ |
| VC1_GET_BITS9(2, picLayerHeader->MV2BPTAB); /* 2MVBPTAB. */ |
| |
| if (picLayerHeader->MV4SWITCH == 1) |
| { |
| VC1_GET_BITS9(2, picLayerHeader->MV4BPTAB); /* 4MVBPTAB. */ |
| } |
| |
| if ((status = vc1_VOPDQuant(ctxt, pInfo)) != VC1_STATUS_OK) |
| return status; |
| |
| if (md->VSTRANSFORM == 1) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->TTMBF); |
| if (picLayerHeader->TTMBF == 1) |
| { |
| VC1_GET_BITS9(2, picLayerHeader->TTFRM); |
| } |
| } |
| |
| VC1_GET_BITS9(1, picLayerHeader->TRANSACFRM); |
| if (picLayerHeader->TRANSACFRM == 1) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->TRANSACFRM); |
| picLayerHeader->TRANSACFRM += 2; |
| } |
| |
| VC1_GET_BITS9(1, picLayerHeader->TRANSDCTAB); |
| |
| /* Skip parsing of macroblock layer. */ |
| |
| return status; |
| } |
| |
| /*------------------------------------------------------------------------------ |
| * Parse picture layer. This function parses interlace P field for advanced |
| * profile bitstream. |
| * Table 88 of SMPTE 421M after processing up to BFRACTION by |
| * vc1_ParseFieldHeader_Adv() but stopping before processing of macroblock |
| * layer. |
| *------------------------------------------------------------------------------ |
| */ |
| |
| vc1_Status vc1_ParseFieldHeader_InterlacePpicture_Adv(void* ctxt, vc1_Info *pInfo) |
| { |
| uint8_t bit_count; |
| const uint8_t *table; |
| vc1_Status status = VC1_STATUS_OK; |
| vc1_metadata_t *md = &pInfo->metadata; |
| vc1_PictureLayerHeader *picLayerHeader = &pInfo->picLayerHeader; |
| |
| |
| VC1_GET_BITS9(5, picLayerHeader->PQINDEX); |
| if ((status = vc1_CalculatePQuant(pInfo)) != VC1_STATUS_OK) |
| return status; |
| |
| if (picLayerHeader->PQINDEX <= 8) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->HALFQP); |
| } |
| else |
| picLayerHeader->HALFQP = 0; |
| |
| |
| if (md->QUANTIZER == 1) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->PQUANTIZER); |
| picLayerHeader->UniformQuant = picLayerHeader->PQUANTIZER; |
| } |
| |
| if (md->POSTPROCFLAG == 1) |
| { |
| VC1_GET_BITS9(2, picLayerHeader->POSTPROC); |
| } |
| |
| VC1_GET_BITS9(1, picLayerHeader->NUMREF); |
| |
| if (picLayerHeader->NUMREF == 0) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->REFFIELD); |
| } |
| |
| if ((status = vc1_MVRangeDecode(ctxt, pInfo)) != VC1_STATUS_OK) { |
| DEB("Error in vc1_MVRangeDecode \n"); |
| return status; |
| } |
| |
| if ((status = vc1_DMVRangeDecode(ctxt, pInfo)) != VC1_STATUS_OK) |
| return status; |
| |
| if (picLayerHeader->PQUANT > 12) |
| table = VC1_MVMODE_LOW_TBL; |
| else |
| table = VC1_MVMODE_HIGH_TBL; |
| |
| bit_count = 0; |
| VC1_GET_BITS9(1, picLayerHeader->MVMODE); |
| while ((picLayerHeader->MVMODE == 0) && (bit_count < 2)) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->MVMODE); |
| bit_count++; |
| } |
| if (bit_count == 2 && picLayerHeader->MVMODE == 0) { |
| VC1_GET_BITS9(1, picLayerHeader->MVMODE); |
| |
| if ( picLayerHeader->MVMODE == 1) |
| bit_count ++; |
| |
| bit_count++; |
| } |
| picLayerHeader->MVMODE = table[bit_count]; |
| |
| if (picLayerHeader->MVMODE == VC1_MVMODE_INTENSCOMP) |
| { |
| bit_count = 0; |
| VC1_GET_BITS9(1, picLayerHeader->MVMODE2); |
| while ((picLayerHeader->MVMODE2 == 0) && (bit_count < 2)) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->MVMODE2); |
| bit_count++; |
| } |
| if (bit_count == 2 && picLayerHeader->MVMODE2 == 0) |
| bit_count++; |
| picLayerHeader->MVMODE2 = table[bit_count]; |
| |
| VC1_GET_BITS9(1, md->INTCOMPFIELD); |
| if (md->INTCOMPFIELD == 1) |
| md->INTCOMPFIELD = VC1_INTCOMP_BOTH_FIELD; |
| else |
| { |
| VC1_GET_BITS9(1, md->INTCOMPFIELD); |
| if(md->INTCOMPFIELD == 1) |
| md->INTCOMPFIELD = VC1_INTCOMP_BOTTOM_FIELD; |
| else |
| md->INTCOMPFIELD = VC1_INTCOMP_TOP_FIELD; |
| } |
| VC1_GET_BITS9(6, picLayerHeader->LUMSCALE); /* LUMSCALE1. */ |
| VC1_GET_BITS9(6, picLayerHeader->LUMSHIFT); /* LUMSHIFT1. */ |
| if ( md->INTCOMPFIELD == VC1_INTCOMP_BOTTOM_FIELD ) { |
| md->LUMSCALE2 = picLayerHeader->LUMSCALE; |
| md->LUMSHIFT2 = picLayerHeader->LUMSHIFT; |
| } |
| if (md->INTCOMPFIELD == VC1_INTCOMP_BOTH_FIELD) |
| { |
| VC1_GET_BITS9(6, md->LUMSCALE2); |
| VC1_GET_BITS9(6, md->LUMSHIFT2); |
| } |
| } |
| else |
| #ifdef VBP |
| picLayerHeader->MVMODE2 = 0; |
| #else |
| picLayerHeader->MVMODE2 = picLayerHeader->MVMODE; |
| #endif |
| |
| VC1_GET_BITS9(3, picLayerHeader->MBMODETAB); |
| |
| if (picLayerHeader->NUMREF) |
| { |
| VC1_GET_BITS9(3, picLayerHeader->MVTAB); /* IMVTAB. */ |
| } |
| else |
| { |
| VC1_GET_BITS9(2, picLayerHeader->MVTAB); /* IMVTAB. */ |
| } |
| |
| VC1_GET_BITS9(3, picLayerHeader->CBPTAB); /* ICBPTAB. */ |
| |
| #ifdef VBP |
| if (picLayerHeader->MVMODE == VC1_MVMODE_MIXED_MV) |
| #else |
| if (picLayerHeader->MVMODE2 == VC1_MVMODE_MIXED_MV) |
| #endif |
| { |
| VC1_GET_BITS9(2, picLayerHeader->MV4BPTAB); /* 4MVBPTAB. */ |
| } |
| |
| if ((status = vc1_VOPDQuant(ctxt, pInfo)) != VC1_STATUS_OK) |
| return status; |
| |
| if (md->VSTRANSFORM == 1) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->TTMBF); |
| if (picLayerHeader->TTMBF == 1) |
| { |
| VC1_GET_BITS9(2, picLayerHeader->TTFRM); |
| } |
| } |
| |
| VC1_GET_BITS9(1, picLayerHeader->TRANSACFRM); |
| if (picLayerHeader->TRANSACFRM == 1) |
| { |
| VC1_GET_BITS9(1, picLayerHeader->TRANSACFRM); |
| picLayerHeader->TRANSACFRM += 2; |
| } |
| picLayerHeader->TRANSACFRM2 = 0; |
| |
| VC1_GET_BITS9(1, picLayerHeader->TRANSDCTAB); |
| |
| /* Skip parsing of macroblock layer. */ |
| |
| return status; |
| } |
