diff options
Diffstat (limited to 'media/libstagefright/codecs/avc/common/src/dpb.cpp')
| -rw-r--r-- | media/libstagefright/codecs/avc/common/src/dpb.cpp | 724 |
1 files changed, 724 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/avc/common/src/dpb.cpp b/media/libstagefright/codecs/avc/common/src/dpb.cpp new file mode 100644 index 0000000..2c4c7da --- /dev/null +++ b/media/libstagefright/codecs/avc/common/src/dpb.cpp @@ -0,0 +1,724 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +#include "avclib_common.h" + +#define DPB_MEM_ATTR 0 + +AVCStatus InitDPB(AVCHandle *avcHandle, AVCCommonObj *video, int FrameHeightInMbs, int PicWidthInMbs, bool padding) +{ + AVCDecPicBuffer *dpb = video->decPicBuf; + int level, framesize, num_fs; + void *userData = avcHandle->userData; +#ifndef PV_MEMORY_POOL + uint32 addr; +#endif + uint16 refIdx = 0; + level = video->currSeqParams->level_idc; + + for (num_fs = 0; num_fs < MAX_FS; num_fs++) + { + dpb->fs[num_fs] = NULL; + } + + framesize = (int)(((FrameHeightInMbs * PicWidthInMbs) << 7) * 3); + if (padding) + { + video->padded_size = (int)((((FrameHeightInMbs + 2) * (PicWidthInMbs + 2)) << 7) * 3) - framesize; + } + else + { + video->padded_size = 0; + } + +#ifndef PV_MEMORY_POOL + if (dpb->decoded_picture_buffer) + { + avcHandle->CBAVC_Free(userData, (int)dpb->decoded_picture_buffer); + dpb->decoded_picture_buffer = NULL; + } +#endif + /* need to allocate one extra frame for current frame, DPB only defines for reference frames */ + + dpb->num_fs = (uint32)(MaxDPBX2[mapLev2Idx[level]] << 2) / (3 * FrameHeightInMbs * PicWidthInMbs) + 1; + if (dpb->num_fs > MAX_FS) + { + dpb->num_fs = MAX_FS; + } + + if (video->currSeqParams->num_ref_frames + 1 > (uint32)dpb->num_fs) + { + dpb->num_fs = video->currSeqParams->num_ref_frames + 1; + } + + dpb->dpb_size = dpb->num_fs * (framesize + video->padded_size); +// dpb->dpb_size = (uint32)MaxDPBX2[mapLev2Idx[level]]*512 + framesize; + +#ifndef PV_MEMORY_POOL + dpb->decoded_picture_buffer = (uint8*) avcHandle->CBAVC_Malloc(userData, dpb->dpb_size, 100/*DPB_MEM_ATTR*/); + + if (dpb->decoded_picture_buffer == NULL || dpb->decoded_picture_buffer&0x3) // not word aligned + return AVC_MEMORY_FAIL; +#endif + dpb->used_size = 0; + num_fs = 0; + + while (num_fs < dpb->num_fs) + { + /* fs is an array pointers to AVCDecPicture */ + dpb->fs[num_fs] = (AVCFrameStore*) avcHandle->CBAVC_Malloc(userData, sizeof(AVCFrameStore), 101/*DEFAULT_ATTR*/); + if (dpb->fs[num_fs] == NULL) + { + return AVC_MEMORY_FAIL; + } +#ifndef PV_MEMORY_POOL + /* assign the actual memory for Sl, Scb, Scr */ + dpb->fs[num_fs]->base_dpb = dpb->decoded_picture_buffer + dpb->used_size; +#endif + dpb->fs[num_fs]->IsReference = 0; + dpb->fs[num_fs]->IsLongTerm = 0; + dpb->fs[num_fs]->IsOutputted = 3; + dpb->fs[num_fs]->frame.RefIdx = refIdx++; /* this value will remain unchanged through out the encoding session */ + dpb->fs[num_fs]->frame.picType = AVC_FRAME; + dpb->fs[num_fs]->frame.isLongTerm = 0; + dpb->fs[num_fs]->frame.isReference = 0; + video->RefPicList0[num_fs] = &(dpb->fs[num_fs]->frame); + dpb->fs[num_fs]->frame.padded = 0; + dpb->used_size += (framesize + video->padded_size); + num_fs++; + } + + return AVC_SUCCESS; +} + +OSCL_EXPORT_REF AVCStatus AVCConfigureSequence(AVCHandle *avcHandle, AVCCommonObj *video, bool padding) +{ + void *userData = avcHandle->userData; + AVCDecPicBuffer *dpb = video->decPicBuf; + int framesize, ii; /* size of one frame */ + uint PicWidthInMbs, PicHeightInMapUnits, FrameHeightInMbs, PicSizeInMapUnits; + uint num_fs; + /* derived variables from SPS */ + PicWidthInMbs = video->currSeqParams->pic_width_in_mbs_minus1 + 1; + PicHeightInMapUnits = video->currSeqParams->pic_height_in_map_units_minus1 + 1 ; + FrameHeightInMbs = (2 - video->currSeqParams->frame_mbs_only_flag) * PicHeightInMapUnits ; + PicSizeInMapUnits = PicWidthInMbs * PicHeightInMapUnits ; + + if (video->PicSizeInMapUnits != PicSizeInMapUnits || video->currSeqParams->level_idc != video->level_idc) + { + /* make sure you mark all the frames as unused for reference for flushing*/ + for (ii = 0; ii < dpb->num_fs; ii++) + { + dpb->fs[ii]->IsReference = 0; + dpb->fs[ii]->IsOutputted |= 0x02; + } + + num_fs = (uint32)(MaxDPBX2[(uint32)mapLev2Idx[video->currSeqParams->level_idc]] << 2) / (3 * PicSizeInMapUnits) + 1; + if (num_fs >= MAX_FS) + { + num_fs = MAX_FS; + } +#ifdef PV_MEMORY_POOL + if (padding) + { + avcHandle->CBAVC_DPBAlloc(avcHandle->userData, + PicSizeInMapUnits + ((PicWidthInMbs + 2) << 1) + (PicHeightInMapUnits << 1), num_fs); + } + else + { + avcHandle->CBAVC_DPBAlloc(avcHandle->userData, PicSizeInMapUnits, num_fs); + } +#endif + CleanUpDPB(avcHandle, video); + if (InitDPB(avcHandle, video, FrameHeightInMbs, PicWidthInMbs, padding) != AVC_SUCCESS) + { + return AVC_FAIL; + } + /* Allocate video->mblock upto PicSizeInMbs and populate the structure such as the neighboring MB pointers. */ + framesize = (FrameHeightInMbs * PicWidthInMbs); + if (video->mblock) + { + avcHandle->CBAVC_Free(userData, (uint32)video->mblock); + video->mblock = NULL; + } + video->mblock = (AVCMacroblock*) avcHandle->CBAVC_Malloc(userData, sizeof(AVCMacroblock) * framesize, DEFAULT_ATTR); + if (video->mblock == NULL) + { + return AVC_FAIL; + } + for (ii = 0; ii < framesize; ii++) + { + video->mblock[ii].slice_id = -1; + } + /* Allocate memory for intra prediction */ +#ifdef MB_BASED_DEBLOCK + video->intra_pred_top = (uint8*) avcHandle->CBAVC_Malloc(userData, PicWidthInMbs << 4, FAST_MEM_ATTR); + if (video->intra_pred_top == NULL) + { + return AVC_FAIL; + } + video->intra_pred_top_cb = (uint8*) avcHandle->CBAVC_Malloc(userData, PicWidthInMbs << 3, FAST_MEM_ATTR); + if (video->intra_pred_top_cb == NULL) + { + return AVC_FAIL; + } + video->intra_pred_top_cr = (uint8*) avcHandle->CBAVC_Malloc(userData, PicWidthInMbs << 3, FAST_MEM_ATTR); + if (video->intra_pred_top_cr == NULL) + { + return AVC_FAIL; + } + +#endif + /* Allocate slice group MAP map */ + + if (video->MbToSliceGroupMap) + { + avcHandle->CBAVC_Free(userData, (uint32)video->MbToSliceGroupMap); + video->MbToSliceGroupMap = NULL; + } + video->MbToSliceGroupMap = (int*) avcHandle->CBAVC_Malloc(userData, sizeof(uint) * PicSizeInMapUnits * 2, 7/*DEFAULT_ATTR*/); + if (video->MbToSliceGroupMap == NULL) + { + return AVC_FAIL; + } + video->PicSizeInMapUnits = PicSizeInMapUnits; + video->level_idc = video->currSeqParams->level_idc; + + } + return AVC_SUCCESS; +} + +OSCL_EXPORT_REF AVCStatus CleanUpDPB(AVCHandle *avcHandle, AVCCommonObj *video) +{ + AVCDecPicBuffer *dpb = video->decPicBuf; + int ii; + void *userData = avcHandle->userData; + + for (ii = 0; ii < MAX_FS; ii++) + { + if (dpb->fs[ii] != NULL) + { + avcHandle->CBAVC_Free(userData, (int)dpb->fs[ii]); + dpb->fs[ii] = NULL; + } + } +#ifndef PV_MEMORY_POOL + if (dpb->decoded_picture_buffer) + { + avcHandle->CBAVC_Free(userData, (int)dpb->decoded_picture_buffer); + dpb->decoded_picture_buffer = NULL; + } +#endif + dpb->used_size = 0; + dpb->dpb_size = 0; + + return AVC_SUCCESS; +} + +OSCL_EXPORT_REF AVCStatus DPBInitBuffer(AVCHandle *avcHandle, AVCCommonObj *video) +{ + AVCDecPicBuffer *dpb = video->decPicBuf; + int ii, status; + + /* Before doing any decoding, check if there's a frame memory available */ + /* look for next unused dpb->fs, or complementary field pair */ + /* video->currPic is assigned to this */ + + /* There's also restriction on the frame_num, see page 59 of JVT-I1010.doc. */ + + for (ii = 0; ii < dpb->num_fs; ii++) + { + /* looking for the one not used or not reference and has been outputted */ + if (dpb->fs[ii]->IsReference == 0 && dpb->fs[ii]->IsOutputted == 3) + { + video->currFS = dpb->fs[ii]; +#ifdef PV_MEMORY_POOL + status = avcHandle->CBAVC_FrameBind(avcHandle->userData, ii, &(video->currFS->base_dpb)); + if (status == AVC_FAIL) + { + return AVC_NO_BUFFER; /* this should not happen */ + } +#endif + break; + } + } + if (ii == dpb->num_fs) + { + return AVC_PICTURE_OUTPUT_READY; /* no empty frame available */ + } + return AVC_SUCCESS; +} + +OSCL_EXPORT_REF void DPBInitPic(AVCCommonObj *video, int CurrPicNum) +{ + int offset = 0; + int offsetc = 0; + int luma_framesize; + /* this part has to be set here, assuming that slice header and POC have been decoded. */ + /* used in GetOutput API */ + video->currFS->PicOrderCnt = video->PicOrderCnt; + video->currFS->FrameNum = video->sliceHdr->frame_num; + video->currFS->FrameNumWrap = CurrPicNum; // MC_FIX + /* initialize everything to zero */ + video->currFS->IsOutputted = 0; + video->currFS->IsReference = 0; + video->currFS->IsLongTerm = 0; + video->currFS->frame.isReference = FALSE; + video->currFS->frame.isLongTerm = FALSE; + + /* initialize the pixel pointer to NULL */ + video->currFS->frame.Sl = video->currFS->frame.Scb = video->currFS->frame.Scr = NULL; + + /* determine video->currPic */ + /* assign dbp->base_dpb to fs[i]->frame.Sl, Scb, Scr .*/ + /* For PicSizeInMbs, see DecodeSliceHeader() */ + + video->currPic = &(video->currFS->frame); + + video->currPic->padded = 0; // reset this flag to not-padded + + if (video->padded_size) + { + offset = ((video->PicWidthInSamplesL + 32) << 4) + 16; // offset to the origin + offsetc = (offset >> 2) + 4; + luma_framesize = (int)((((video->FrameHeightInMbs + 2) * (video->PicWidthInMbs + 2)) << 8)); + } + else + luma_framesize = video->PicSizeInMbs << 8; + + + video->currPic->Sl = video->currFS->base_dpb + offset; + video->currPic->Scb = video->currFS->base_dpb + luma_framesize + offsetc; + video->currPic->Scr = video->currPic->Scb + (luma_framesize >> 2); + video->currPic->pitch = video->PicWidthInSamplesL + (video->padded_size == 0 ? 0 : 32); + + + video->currPic->height = video->PicHeightInSamplesL; + video->currPic->width = video->PicWidthInSamplesL; + video->currPic->PicNum = CurrPicNum; +} + +/* to release skipped frame after encoding */ +OSCL_EXPORT_REF void DPBReleaseCurrentFrame(AVCHandle *avcHandle, AVCCommonObj *video) +{ + AVCDecPicBuffer *dpb = video->decPicBuf; + int ii; + + video->currFS->IsOutputted = 3; // return this buffer. + +#ifdef PV_MEMORY_POOL /* for non-memory pool, no need to do anything */ + + /* search for current frame index */ + ii = dpb->num_fs; + while (ii--) + { + if (dpb->fs[ii] == video->currFS) + { + avcHandle->CBAVC_FrameUnbind(avcHandle->userData, ii); + break; + } + } +#endif + + return ; +} + +/* see subclause 8.2.5.1 */ +OSCL_EXPORT_REF AVCStatus StorePictureInDPB(AVCHandle *avcHandle, AVCCommonObj *video) +{ + AVCStatus status; + AVCDecPicBuffer *dpb = video->decPicBuf; + AVCSliceHeader *sliceHdr = video->sliceHdr; + int ii, num_ref; + + /* number 1 of 8.2.5.1, we handle gaps in frame_num differently without using the memory */ + /* to be done!!!! */ + + /* number 3 of 8.2.5.1 */ + if (video->nal_unit_type == AVC_NALTYPE_IDR) + { + for (ii = 0; ii < dpb->num_fs; ii++) + { + if (dpb->fs[ii] != video->currFS) /* not current frame */ + { + dpb->fs[ii]->IsReference = 0; /* mark as unused for reference */ + dpb->fs[ii]->IsLongTerm = 0; /* but still used until output */ + dpb->fs[ii]->IsOutputted |= 0x02; +#ifdef PV_MEMORY_POOL + if (dpb->fs[ii]->IsOutputted == 3) + { + avcHandle->CBAVC_FrameUnbind(avcHandle->userData, ii); + } +#endif + } + } + + video->currPic->isReference = TRUE; + video->currFS->IsReference = 3; + + if (sliceHdr->long_term_reference_flag == 0) + { + video->currPic->isLongTerm = FALSE; + video->currFS->IsLongTerm = 0; + video->MaxLongTermFrameIdx = -1; + } + else + { + video->currPic->isLongTerm = TRUE; + video->currFS->IsLongTerm = 3; + video->currFS->LongTermFrameIdx = 0; + video->MaxLongTermFrameIdx = 0; + } + if (sliceHdr->no_output_of_prior_pics_flag) + { + for (ii = 0; ii < dpb->num_fs; ii++) + { + if (dpb->fs[ii] != video->currFS) /* not current frame */ + { + dpb->fs[ii]->IsOutputted = 3; +#ifdef PV_MEMORY_POOL + avcHandle->CBAVC_FrameUnbind(avcHandle->userData, ii); +#endif + } + } + } + video->mem_mgr_ctrl_eq_5 = TRUE; /* flush reference frames MC_FIX */ + } + else + { + if (video->currPic->isReference == TRUE) + { + if (sliceHdr->adaptive_ref_pic_marking_mode_flag == 0) + { + status = sliding_window_process(avcHandle, video, dpb); /* we may have to do this after adaptive_memory_marking */ + } + else + { + status = adaptive_memory_marking(avcHandle, video, dpb, sliceHdr); + } + if (status != AVC_SUCCESS) + { + return status; + } + } + } + /* number 4 of 8.2.5.1 */ + /* This basically says every frame must be at least used for short-term ref. */ + /* Need to be revisited!!! */ + /* look at insert_picture_in_dpb() */ + + + + if (video->nal_unit_type != AVC_NALTYPE_IDR && video->currPic->isLongTerm == FALSE) + { + if (video->currPic->isReference) + { + video->currFS->IsReference = 3; + } + else + { + video->currFS->IsReference = 0; + } + video->currFS->IsLongTerm = 0; + } + + /* check if number of reference frames doesn't exceed num_ref_frames */ + num_ref = 0; + for (ii = 0; ii < dpb->num_fs; ii++) + { + if (dpb->fs[ii]->IsReference) + { + num_ref++; + } + } + + if (num_ref > (int)video->currSeqParams->num_ref_frames) + { + return AVC_FAIL; /* out of range */ + } + + return AVC_SUCCESS; +} + + +AVCStatus sliding_window_process(AVCHandle *avcHandle, AVCCommonObj *video, AVCDecPicBuffer *dpb) +{ + int ii, numShortTerm, numLongTerm; + int32 MinFrameNumWrap; + int MinIdx; + + + numShortTerm = 0; + numLongTerm = 0; + for (ii = 0; ii < dpb->num_fs; ii++) + { + if (dpb->fs[ii] != video->currFS) /* do not count the current frame */ + { + if (dpb->fs[ii]->IsLongTerm) + { + numLongTerm++; + } + else if (dpb->fs[ii]->IsReference) + { + numShortTerm++; + } + } + } + + while (numShortTerm + numLongTerm >= (int)video->currSeqParams->num_ref_frames) + { + /* get short-term ref frame with smallest PicOrderCnt */ + /* this doesn't work for all I-slice clip since PicOrderCnt will not be initialized */ + + MinFrameNumWrap = 0x7FFFFFFF; + MinIdx = -1; + for (ii = 0; ii < dpb->num_fs; ii++) + { + if (dpb->fs[ii]->IsReference && !dpb->fs[ii]->IsLongTerm) + { + if (dpb->fs[ii]->FrameNumWrap < MinFrameNumWrap) + { + MinFrameNumWrap = dpb->fs[ii]->FrameNumWrap; + MinIdx = ii; + } + } + } + if (MinIdx < 0) /* something wrong, impossible */ + { + return AVC_FAIL; + } + + /* mark the frame with smallest PicOrderCnt to be unused for reference */ + dpb->fs[MinIdx]->IsReference = 0; + dpb->fs[MinIdx]->IsLongTerm = 0; + dpb->fs[MinIdx]->frame.isReference = FALSE; + dpb->fs[MinIdx]->frame.isLongTerm = FALSE; + dpb->fs[MinIdx]->IsOutputted |= 0x02; +#ifdef PV_MEMORY_POOL + if (dpb->fs[MinIdx]->IsOutputted == 3) + { + avcHandle->CBAVC_FrameUnbind(avcHandle->userData, MinIdx); + } +#endif + numShortTerm--; + } + return AVC_SUCCESS; +} + +/* see subclause 8.2.5.4 */ +AVCStatus adaptive_memory_marking(AVCHandle *avcHandle, AVCCommonObj *video, AVCDecPicBuffer *dpb, AVCSliceHeader *sliceHdr) +{ + int ii; + + ii = 0; + while (ii < MAX_DEC_REF_PIC_MARKING && sliceHdr->memory_management_control_operation[ii] != 0) + { + switch (sliceHdr->memory_management_control_operation[ii]) + { + case 1: + MemMgrCtrlOp1(avcHandle, video, dpb, sliceHdr->difference_of_pic_nums_minus1[ii]); + // update_ref_list(dpb); + break; + case 2: + MemMgrCtrlOp2(avcHandle, dpb, sliceHdr->long_term_pic_num[ii]); + break; + case 3: + MemMgrCtrlOp3(avcHandle, video, dpb, sliceHdr->difference_of_pic_nums_minus1[ii], sliceHdr->long_term_frame_idx[ii]); + break; + case 4: + MemMgrCtrlOp4(avcHandle, video, dpb, sliceHdr->max_long_term_frame_idx_plus1[ii]); + break; + case 5: + MemMgrCtrlOp5(avcHandle, video, dpb); + video->currFS->FrameNum = 0; // + video->currFS->PicOrderCnt = 0; + break; + case 6: + MemMgrCtrlOp6(avcHandle, video, dpb, sliceHdr->long_term_frame_idx[ii]); + break; + } + ii++; + } + + if (ii == MAX_DEC_REF_PIC_MARKING) + { + return AVC_FAIL; /* exceed the limit */ + } + + return AVC_SUCCESS; +} + + +/* see subclause 8.2.5.4.1, mark short-term picture as "unused for reference" */ +void MemMgrCtrlOp1(AVCHandle *avcHandle, AVCCommonObj *video, AVCDecPicBuffer *dpb, int difference_of_pic_nums_minus1) +{ + int picNumX, ii; + + picNumX = video->CurrPicNum - (difference_of_pic_nums_minus1 + 1); + + for (ii = 0; ii < dpb->num_fs; ii++) + { + if (dpb->fs[ii]->IsReference == 3 && dpb->fs[ii]->IsLongTerm == 0) + { + if (dpb->fs[ii]->frame.PicNum == picNumX) + { + unmark_for_reference(avcHandle, dpb, ii); + return ; + } + } + } + + return ; +} + +/* see subclause 8.2.5.4.2 mark long-term picture as "unused for reference" */ +void MemMgrCtrlOp2(AVCHandle *avcHandle, AVCDecPicBuffer *dpb, int long_term_pic_num) +{ + int ii; + + for (ii = 0; ii < dpb->num_fs; ii++) + { + if (dpb->fs[ii]->IsLongTerm == 3) + { + if (dpb->fs[ii]->frame.LongTermPicNum == long_term_pic_num) + { + unmark_for_reference(avcHandle, dpb, ii); + } + } + } +} + +/* see subclause 8.2.5.4.3 assign LongTermFrameIdx to a short-term ref picture */ +void MemMgrCtrlOp3(AVCHandle *avcHandle, AVCCommonObj *video, AVCDecPicBuffer *dpb, uint difference_of_pic_nums_minus1, + uint long_term_frame_idx) +{ + int picNumX, ii; + + picNumX = video->CurrPicNum - (difference_of_pic_nums_minus1 + 1); + + /* look for fs[i] with long_term_frame_idx */ + + unmark_long_term_frame_for_reference_by_frame_idx(avcHandle, dpb, long_term_frame_idx); + + + /* now mark the picture with picNumX to long term frame idx */ + + for (ii = 0; ii < dpb->num_fs; ii++) + { + if (dpb->fs[ii]->IsReference == 3) + { + if ((dpb->fs[ii]->frame.isLongTerm == FALSE) && (dpb->fs[ii]->frame.PicNum == picNumX)) + { + dpb->fs[ii]->LongTermFrameIdx = long_term_frame_idx; + dpb->fs[ii]->frame.LongTermPicNum = long_term_frame_idx; + + dpb->fs[ii]->frame.isLongTerm = TRUE; + + dpb->fs[ii]->IsLongTerm = 3; + return; + } + } + } + +} + +/* see subclause 8.2.5.4.4, MaxLongTermFrameIdx */ +void MemMgrCtrlOp4(AVCHandle *avcHandle, AVCCommonObj *video, AVCDecPicBuffer *dpb, uint max_long_term_frame_idx_plus1) +{ + int ii; + + video->MaxLongTermFrameIdx = max_long_term_frame_idx_plus1 - 1; + + /* then mark long term frame with exceeding LongTermFrameIdx to unused for reference. */ + for (ii = 0; ii < dpb->num_fs; ii++) + { + if (dpb->fs[ii]->IsLongTerm && dpb->fs[ii] != video->currFS) + { + if (dpb->fs[ii]->LongTermFrameIdx > video->MaxLongTermFrameIdx) + { + unmark_for_reference(avcHandle, dpb, ii); + } + } + } +} + +/* see subclause 8.2.5.4.5 mark all reference picture as "unused for reference" and setting +MaxLongTermFrameIdx to "no long-term frame indices" */ +void MemMgrCtrlOp5(AVCHandle *avcHandle, AVCCommonObj *video, AVCDecPicBuffer *dpb) +{ + int ii; + + video->MaxLongTermFrameIdx = -1; + for (ii = 0; ii < dpb->num_fs; ii++) /* including the current frame ??????*/ + { + if (dpb->fs[ii] != video->currFS) // MC_FIX + { + unmark_for_reference(avcHandle, dpb, ii); + } + } + + video->mem_mgr_ctrl_eq_5 = TRUE; +} + +/* see subclause 8.2.5.4.6 assing long-term frame index to the current picture */ +void MemMgrCtrlOp6(AVCHandle *avcHandle, AVCCommonObj *video, AVCDecPicBuffer *dpb, uint long_term_frame_idx) +{ + + unmark_long_term_frame_for_reference_by_frame_idx(avcHandle, dpb, long_term_frame_idx); + video->currFS->IsLongTerm = 3; + video->currFS->IsReference = 3; + + video->currPic->isLongTerm = TRUE; + video->currPic->isReference = TRUE; + video->currFS->LongTermFrameIdx = long_term_frame_idx; +} + + +void unmark_for_reference(AVCHandle *avcHandle, AVCDecPicBuffer *dpb, uint idx) +{ + + AVCFrameStore *fs = dpb->fs[idx]; + fs->frame.isReference = FALSE; + fs->frame.isLongTerm = FALSE; + + fs->IsLongTerm = 0; + fs->IsReference = 0; + fs->IsOutputted |= 0x02; +#ifdef PV_MEMORY_POOL + if (fs->IsOutputted == 3) + { + avcHandle->CBAVC_FrameUnbind(avcHandle->userData, idx); + } +#endif + return ; +} + +void unmark_long_term_frame_for_reference_by_frame_idx(AVCHandle *avcHandle, AVCDecPicBuffer *dpb, uint long_term_frame_idx) +{ + int ii; + for (ii = 0; ii < dpb->num_fs; ii++) + { + + if (dpb->fs[ii]->IsLongTerm && (dpb->fs[ii]->LongTermFrameIdx == (int)long_term_frame_idx)) + { + unmark_for_reference(avcHandle, dpb, ii); + } + + } +} + + |