static int aml_vrtc_read_time(struct device *dev, struct rtc_time *tm)
{
u32 time_t = read_te();
rtc_time_to_tm(time_t, tm);
return 0;
}
/*!
* \param *dc The current DecodingContext.
* \param mb_type The macroblock prediction type.
* \param *sub_mb_type The sub macroblock prediction type.
*
* Find the sub macroblock prediction type (intra prediction mode or motion vectors exctraction).
*/
static void sub_mb_pred(DecodingContext_t *dc, const unsigned int mb_type, unsigned int *sub_mb_type)
{
TRACE_INFO(MB, " > " BLD_GREEN "sub_mb_pred()\n" CLR_RESET);
// Shortcut
Macroblock_t *mb = dc->mb_array[dc->CurrMbAddr];
slice_t *slice = dc->active_slice;
// Read sub_mb_type
int mbPartIdx = 0;
for (mbPartIdx = 0; mbPartIdx < 4; mbPartIdx++)
{
if (dc->entropy_coding_mode_flag)
sub_mb_type[mbPartIdx] = read_ae(dc, SE_sub_mb_type);
else
sub_mb_type[mbPartIdx] = read_ue(dc->bitstr);
}
// ref_idx_l0
for (mbPartIdx = 0; mbPartIdx < 4; mbPartIdx++)
{
if ((slice->num_ref_idx_l0_active_minus1 > 0 ||
slice->mb_field_decoding_flag != slice->field_pic_flag) &&
mb_type != P_8x8ref0 &&
sub_mb_type[mbPartIdx] != B_Direct_8x8 &&
SubMbPredMode(slice->slice_type, sub_mb_type[mbPartIdx]) != Pred_L1)
{
if (dc->entropy_coding_mode_flag)
mb->ref_idx_l0[mbPartIdx] = read_ae(dc, SE_ref_idx_lx);
else
mb->ref_idx_l0[mbPartIdx] = read_te(dc->bitstr, 0);
}
}
// ref_idx_l1
for (mbPartIdx = 0; mbPartIdx < 4; mbPartIdx++)
{
if ((slice->num_ref_idx_l1_active_minus1 > 0 ||
slice->mb_field_decoding_flag != slice->field_pic_flag) &&
sub_mb_type[mbPartIdx] != B_Direct_8x8 &&
SubMbPredMode(slice->slice_type, sub_mb_type[mbPartIdx]) != Pred_L0)
{
if (dc->entropy_coding_mode_flag)
mb->ref_idx_l1[mbPartIdx] = read_ae(dc, SE_ref_idx_lx);
else
mb->ref_idx_l1[mbPartIdx] = read_te(dc->bitstr, 0);
}
}
// mvd_l0
for (mbPartIdx = 0; mbPartIdx < 4; mbPartIdx++)
{
if (sub_mb_type[mbPartIdx] != B_Direct_8x8 &&
SubMbPredMode(slice->slice_type, sub_mb_type[mbPartIdx]) != Pred_L1)
{
int subMbPartIdx = 0;
for (subMbPartIdx = 0; subMbPartIdx < NumSubMbPart(slice->slice_type, sub_mb_type[mbPartIdx]); subMbPartIdx++)
{
if (dc->entropy_coding_mode_flag)
{
mb->mvd_l0[mbPartIdx][subMbPartIdx][0] = read_ae(dc, SE_mvd_lx0);
mb->mvd_l0[mbPartIdx][subMbPartIdx][1] = read_ae(dc, SE_mvd_lx1);
}
else
{
mb->mvd_l0[mbPartIdx][subMbPartIdx][0] = read_se(dc->bitstr);
mb->mvd_l0[mbPartIdx][subMbPartIdx][1] = read_se(dc->bitstr);
}
}
}
}
// mvd_l1
for (mbPartIdx = 0; mbPartIdx < 4; mbPartIdx++)
{
if (sub_mb_type[mbPartIdx] != B_Direct_8x8 &&
SubMbPredMode(slice->slice_type, sub_mb_type[mbPartIdx]) != Pred_L0)
{
int subMbPartIdx = 0;
for (subMbPartIdx = 0; subMbPartIdx < NumSubMbPart(slice->slice_type, sub_mb_type[mbPartIdx]); subMbPartIdx++)
{
if (dc->entropy_coding_mode_flag)
{
mb->mvd_l1[mbPartIdx][subMbPartIdx][0] = read_ae(dc, SE_mvd_lx0);
mb->mvd_l1[mbPartIdx][subMbPartIdx][1] = read_ae(dc, SE_mvd_lx1);
}
else
{
mb->mvd_l1[mbPartIdx][subMbPartIdx][0] = read_se(dc->bitstr);
mb->mvd_l1[mbPartIdx][subMbPartIdx][1] = read_se(dc->bitstr);
}
}
}
}
}
/*!
* \brief Read prediction informations for current macroblock.
* \param *dc The current DecodingContext.
* \param *mb The current macroblock.
*
* Intra prediction infos are a table containing prediction mode for each blocks.
* Inter prediction infos are motion vectors.
*/
static void mb_pred(DecodingContext_t *dc, Macroblock_t *mb)
{
TRACE_INFO(MB, " > " BLD_GREEN "mb_pred()\n" CLR_RESET);
if (mb->MbPartPredMode[0] == Intra_4x4 ||
mb->MbPartPredMode[0] == Intra_8x8 ||
mb->MbPartPredMode[0] == Intra_16x16)
{
if (mb->MbPartPredMode[0] == Intra_4x4)
{
// Read intra prediction mode for all 16 4x4 luma blocks
unsigned int luma4x4BlkIdx = 0;
for (luma4x4BlkIdx = 0; luma4x4BlkIdx < 16; luma4x4BlkIdx++)
{
if (dc->entropy_coding_mode_flag)
mb->prev_intra4x4_pred_mode_flag[luma4x4BlkIdx] = read_ae(dc, SE_prev_intraxxx_pred_mode_flag);
else
mb->prev_intra4x4_pred_mode_flag[luma4x4BlkIdx] = read_bit(dc->bitstr);
if (mb->prev_intra4x4_pred_mode_flag[luma4x4BlkIdx] == false)
{
if (dc->entropy_coding_mode_flag)
mb->rem_intra4x4_pred_mode[luma4x4BlkIdx] = read_ae(dc, SE_rem_intraxxx_pred_mode);
else
mb->rem_intra4x4_pred_mode[luma4x4BlkIdx] = read_bits(dc->bitstr, 3);
}
}
}
else if (mb->MbPartPredMode[0] == Intra_8x8)
{
// Read intra prediction mode for all 4 8x8 luma blocks
unsigned int luma8x8BlkIdx = 0;
for (luma8x8BlkIdx = 0; luma8x8BlkIdx < 4; luma8x8BlkIdx++)
{
if (dc->entropy_coding_mode_flag)
mb->prev_intra8x8_pred_mode_flag[luma8x8BlkIdx] = read_ae(dc, SE_prev_intraxxx_pred_mode_flag);
else
mb->prev_intra8x8_pred_mode_flag[luma8x8BlkIdx] = read_bit(dc->bitstr);
if (mb->prev_intra8x8_pred_mode_flag[luma8x8BlkIdx] == false)
{
if (dc->entropy_coding_mode_flag)
mb->rem_intra8x8_pred_mode[luma8x8BlkIdx] = read_ae(dc, SE_rem_intraxxx_pred_mode);
else
mb->rem_intra8x8_pred_mode[luma8x8BlkIdx] = read_bits(dc->bitstr, 3);
}
}
}
// Read intra prediction mode for chroma blocks
if (dc->ChromaArrayType == 1 || dc->ChromaArrayType == 2)
{
if (dc->entropy_coding_mode_flag)
mb->IntraChromaPredMode = read_ae(dc, SE_intra_chroma_pred_mode);
else
mb->IntraChromaPredMode = read_ue(dc->bitstr);
}
}
else if (mb->MbPartPredMode[0] != Direct)
{
// ref_idx_l0
unsigned int mbPartIdx = 0;
for (mbPartIdx = 0; mbPartIdx < mb->NumMbPart; mbPartIdx++)
{
if ((dc->active_slice->num_ref_idx_l0_active_minus1 > 0 ||
dc->active_slice->mb_field_decoding_flag != dc->active_slice->field_pic_flag) &&
MbPartPredMode(mb, dc->active_slice->slice_type, mbPartIdx) != Pred_L1)
{
if (dc->entropy_coding_mode_flag)
mb->ref_idx_l0[mbPartIdx] = read_ae(dc, SE_ref_idx_lx);
else
mb->ref_idx_l0[mbPartIdx] = read_te(dc->bitstr, 0);
}
}
// ref_idx_l1
for (mbPartIdx = 0; mbPartIdx < mb->NumMbPart; mbPartIdx++)
{
if ((dc->active_slice->num_ref_idx_l1_active_minus1 > 0 ||
dc->active_slice->mb_field_decoding_flag != dc->active_slice->field_pic_flag) &&
MbPartPredMode(mb, dc->active_slice->slice_type, mbPartIdx) != Pred_L0)
{
if (dc->entropy_coding_mode_flag)
mb->ref_idx_l1[mbPartIdx] = read_ae(dc, SE_ref_idx_lx);
else
mb->ref_idx_l1[mbPartIdx] = read_te(dc->bitstr, 0);
}
}
// mvd_l0
for (mbPartIdx = 0; mbPartIdx < mb->NumMbPart; mbPartIdx++)
{
if (MbPartPredMode(mb, dc->active_slice->slice_type, mbPartIdx) != Pred_L1)
{
if (dc->entropy_coding_mode_flag)
{
mb->mvd_l0[mbPartIdx][0][0] = read_ae(dc, SE_mvd_lx0);
mb->mvd_l0[mbPartIdx][0][1] = read_ae(dc, SE_mvd_lx1);
}
else
{
mb->mvd_l0[mbPartIdx][0][0] = read_te(dc->bitstr, 0);
mb->mvd_l0[mbPartIdx][0][1] = read_te(dc->bitstr, 0);
}
}
}
// mvd_l1
for (mbPartIdx = 0; mbPartIdx < mb->NumMbPart; mbPartIdx++)
{
if (MbPartPredMode(mb, dc->active_slice->slice_type, mbPartIdx) != Pred_L0)
{
if (dc->entropy_coding_mode_flag)
{
mb->mvd_l1[mbPartIdx][0][0] = read_ae(dc, SE_mvd_lx0);
mb->mvd_l1[mbPartIdx][0][1] = read_ae(dc, SE_mvd_lx1);
}
else
{
mb->mvd_l1[mbPartIdx][0][0] = read_te(dc->bitstr, 0);
mb->mvd_l1[mbPartIdx][0][1] = read_te(dc->bitstr, 0);
}
}
}
}
}
/**
This function permits to decode the image reference of each sub-macroblock.
@param data The NAL unit.
@param position The current position in the NAL.
@param block Contains all parameters of the current macroblock.
@param slice The slice structure.
*/
int sub_mb_pred_svc ( const unsigned char *ai_pcData, int *position, const SLICE *ai_pstSlice,
DATA *aio_pstMacroblock, RESIDU *Current_residu)
{
int mbPartIdx ;
int subMbPartIdx ;
//Recovery of the sub-macroblock type
GetCavlcSubMbType(ai_pcData, position, Current_residu);
#ifdef ERROR_DETECTION
//Error detection
if(ErrorsCheckSubMbType( Current_residu -> SubMbType, ai_pstSlice -> slice_type? MaxBSubMbType:MaxPSubMbType)){
return 1;
}
#endif
//Recovery of the image reference of each sub-macroblock
if( ai_pstSlice -> AdaptiveMotionPredictionFlag && Current_residu -> InCropWindow ) {
for ( mbPartIdx = 0 ; mbPartIdx < 4 ; mbPartIdx++ ) {
if (sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != Pred_L1 &&
sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != B_direct) {
aio_pstMacroblock -> MotionPredL0 [mbPartIdx] = getNbits(ai_pcData, position, 1);
}
}
//Recovery of the image reference of each sub-macroblock
for ( mbPartIdx = 0 ; mbPartIdx < 4 ; mbPartIdx++ ) {
if ( sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != Pred_L0 &&
sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != B_direct) {
aio_pstMacroblock -> MotionPredL1 [mbPartIdx] = getNbits(ai_pcData, position, 1);
}
}
}else{
aio_pstMacroblock -> MotionPredL0[0] = aio_pstMacroblock -> MotionPredL0[1] =
aio_pstMacroblock -> MotionPredL0[2] = aio_pstMacroblock -> MotionPredL0[3] =
aio_pstMacroblock -> MotionPredL1[0] = aio_pstMacroblock -> MotionPredL1[1] =
aio_pstMacroblock -> MotionPredL1[2] = aio_pstMacroblock -> MotionPredL1[3] = ai_pstSlice -> DefaultMotionPredictionFlag;
}
if (ai_pstSlice -> num_RefIdxL0_active_minus1 != 0){
for ( mbPartIdx = 0 ; mbPartIdx < 4 ; mbPartIdx++ ) {
if ((Current_residu -> MbType != P_8x8ref0) && (!aio_pstMacroblock -> MotionPredL0[mbPartIdx]) &&
(sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != B_direct) &&
(sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != Pred_L1)) {
aio_pstMacroblock -> RefIdxL0 [mbPartIdx] = read_te(ai_pcData, position, ai_pstSlice -> num_RefIdxL0_active_minus1);
}
}
}
#ifdef ERROR_DETECTION
//Error Detection
if(ErrorsCheckSubRefLx(aio_pstMacroblock -> RefIdxL0, ai_pstSlice -> num_RefIdxL0_active_minus1)){
return 1;
}
#endif
//Recovery of the image reference of each sub-macroblock
if (ai_pstSlice -> num_RefIdxL1_active_minus1 != 0){
for ( mbPartIdx = 0 ; mbPartIdx < 4 ; mbPartIdx++ ) {
if ((sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != B_direct) &&
(sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != Pred_L0) &&
(!aio_pstMacroblock -> MotionPredL1[mbPartIdx])) {
aio_pstMacroblock -> RefIdxL1 [mbPartIdx] = read_te(ai_pcData, position, ai_pstSlice -> num_RefIdxL1_active_minus1);
}
}
}
#ifdef ERROR_DETECTION
//Error Detection
if(ErrorsCheckSubRefLx(aio_pstMacroblock -> RefIdxL1, ai_pstSlice -> num_RefIdxL1_active_minus1)){
return 1;
}
#endif
//Recovery of the motion vector of each sub-macroblock
for ( mbPartIdx = 0 ; mbPartIdx < 4 ; mbPartIdx++ ) {
if ( sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != B_direct
&& sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != Pred_L1 )
{
for ( subMbPartIdx = 0 ; subMbPartIdx < sub_num_part[ ai_pstSlice -> slice_type][ Current_residu -> SubMbType [mbPartIdx]] ; subMbPartIdx++ ) {
int index = ( mbPartIdx << 2) + subMbPartIdx;
aio_pstMacroblock -> MvdL0 [index][0] = read_se(ai_pcData, position);
aio_pstMacroblock -> MvdL0 [index][1] = read_se(ai_pcData, position);
}
}
}
//Recovery of the motion vector of each sub-macroblock
for ( mbPartIdx = 0 ; mbPartIdx < 4 ; mbPartIdx++ ) {
if ( sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != B_direct
&& sub_mb_type_name[ai_pstSlice -> slice_type][Current_residu -> SubMbType [mbPartIdx]] != Pred_L0 )
{
for ( subMbPartIdx = 0 ; subMbPartIdx < sub_num_part[ ai_pstSlice -> slice_type][ Current_residu -> SubMbType [mbPartIdx]] ; subMbPartIdx++ )
{
int index = ( mbPartIdx << 2) + subMbPartIdx;
aio_pstMacroblock -> MvdL1 [index][0] = read_se(ai_pcData, position);
aio_pstMacroblock -> MvdL1 [index][1] = read_se(ai_pcData, position);
}
}
}
return 0;
}
/**
This function permits to decode the prediction mode or the image reference.
@param ai_pcData The NAL unit.
@param position The current position in the NAL.
@param block Contains all parameters of the current macroblock.
@param ai_pstSlice The slice structure.
@param ao_pstIntra_pred_mode Contains the prediction mode for the current macroblock.
*/
int mb_pred_svc( const unsigned char *ai_pcData, int *position, const SLICE *ai_pstSlice,
DATA *aio_pstMacroblock, RESIDU *Current_residu, short *intra4x4_pred_mode_cache)
{
int mbPartIdx ;
//Recovery of the prediction mode
if(IS_I(aio_pstMacroblock -> MbPartPredMode [0])){
if(mb_pred_I(ai_pcData, position, Current_residu, Current_residu -> Intra16x16DCLevel, intra4x4_pred_mode_cache)){
return 1;
}
}
else if ( aio_pstMacroblock -> MbPartPredMode [0] != B_direct ) {
if( ai_pstSlice -> AdaptiveMotionPredictionFlag && Current_residu -> InCropWindow ) {
if(ReadMotionPredSVC(ai_pcData, position, aio_pstMacroblock -> MotionPredL0, aio_pstMacroblock, Pred_L1)) return 1;
if(ReadMotionPredSVC(ai_pcData, position, aio_pstMacroblock -> MotionPredL1, aio_pstMacroblock, Pred_L0)) return 1;
}else{
aio_pstMacroblock -> MotionPredL0[0] = aio_pstMacroblock -> MotionPredL0[1] =
aio_pstMacroblock -> MotionPredL0[2] = aio_pstMacroblock -> MotionPredL0[3] =
aio_pstMacroblock -> MotionPredL1[0] = aio_pstMacroblock -> MotionPredL1[1] =
aio_pstMacroblock -> MotionPredL1[2] = aio_pstMacroblock -> MotionPredL1[3] = ai_pstSlice -> DefaultMotionPredictionFlag;
}
if ( ai_pstSlice -> num_RefIdxL0_active_minus1 != 0 ){
for ( mbPartIdx = 0 ; mbPartIdx < aio_pstMacroblock -> NumMbPart ; mbPartIdx++ ) {
if ( (aio_pstMacroblock -> MbPartPredMode [mbPartIdx] != Pred_L1 ) && (!aio_pstMacroblock -> MotionPredL0[mbPartIdx])) {
aio_pstMacroblock -> RefIdxL0 [mbPartIdx] = read_te(ai_pcData, position, ai_pstSlice -> num_RefIdxL0_active_minus1);
}
}
}
#ifdef ERROR_DETECTION
//Error detection
if(ErrorsCheckRefLx(aio_pstMacroblock -> RefIdxL0, ai_pstSlice -> num_RefIdxL0_active_minus1)){
return 1;
}
#endif
//Recovery of of the image reference for the frame
if ( ai_pstSlice -> num_RefIdxL1_active_minus1 != 0 ){
for ( mbPartIdx = 0 ; mbPartIdx < aio_pstMacroblock -> NumMbPart ; mbPartIdx++ ) {
if ((aio_pstMacroblock -> MbPartPredMode [mbPartIdx] != Pred_L0) && (!aio_pstMacroblock -> MotionPredL1[mbPartIdx])) {
aio_pstMacroblock -> RefIdxL1 [mbPartIdx] = read_te(ai_pcData, position, ai_pstSlice -> num_RefIdxL1_active_minus1);
}
}
}
#ifdef ERROR_DETECTION
//Error detection
if(ErrorsCheckRefLx(aio_pstMacroblock -> RefIdxL1, ai_pstSlice -> num_RefIdxL1_active_minus1)){
return 1;
}
#endif
//Recovery of of the motion vector for the frame P
for ( mbPartIdx = 0 ; mbPartIdx < aio_pstMacroblock -> NumMbPart ; mbPartIdx++ ) {
/* Pour eviter de traiter les Images B*/
if ( aio_pstMacroblock -> MbPartPredMode [mbPartIdx] != Pred_L1 ) {
aio_pstMacroblock -> MvdL0 [mbPartIdx << 2][0] = read_se(ai_pcData, position);
aio_pstMacroblock -> MvdL0 [mbPartIdx << 2][1] = read_se(ai_pcData, position);
}
}
//Recovery of of the motion vector for the frame B
for ( mbPartIdx = 0 ; mbPartIdx < aio_pstMacroblock -> NumMbPart ; mbPartIdx++ ) {
if ( aio_pstMacroblock -> MbPartPredMode [mbPartIdx] != Pred_L0 ) {
aio_pstMacroblock -> MvdL1 [ mbPartIdx << 2][0] = read_se(ai_pcData, position);
aio_pstMacroblock -> MvdL1 [ mbPartIdx << 2][1] = read_se(ai_pcData, position);
}
}
}else{
Current_residu -> Mode = 4;
for (mbPartIdx = 0; mbPartIdx < 4; mbPartIdx++){
Current_residu -> SubMbType [mbPartIdx] = 3;
}
}
return 0;
}
