HM10.0 compatible PCM-I coding

This commit is contained in:
Marko Viitanen 2013-02-13 14:46:26 +02:00
parent a7855f8103
commit 26a2c71e3a
4 changed files with 68 additions and 23 deletions

View file

@ -6,7 +6,7 @@
/*! \file bitstream.c
\brief Bitstream related functions
\author Marko Viitanen
\date 2012-05
\date 2013-02
This file has all bitstream functions
*/
@ -108,7 +108,7 @@ void bitstream_clear_buffer(bitstream* stream)
* bits = number of bits to write
*/
INLINE void bitstream_put(bitstream* stream, uint32_t data, uint8_t bits)
void bitstream_put(bitstream* stream, uint32_t data, uint8_t bits)
{
uint32_t bitsleft=32-stream->cur_bit;
#ifdef VERBOSE
@ -161,7 +161,7 @@ INLINE void bitstream_put(bitstream* stream, uint32_t data, uint8_t bits)
/*
* \brief Align the bitstream
*/
INLINE void bitstream_align(bitstream* stream)
void bitstream_align(bitstream* stream)
{
if((stream->cur_bit&7) != 0)
{
@ -169,7 +169,7 @@ INLINE void bitstream_align(bitstream* stream)
}
}
INLINE void bitstream_flush(bitstream* stream)
void bitstream_flush(bitstream* stream)
{
/*
* SAVE DATA TO OUTPUT

View file

@ -6,7 +6,7 @@
/*! \file encoder.c
\brief Encoding related functions
\author Marko Viitanen
\date 2012-06
\date 2013-02
Encoder main level
*/
@ -244,14 +244,14 @@ void encode_one_frame(encoder_control* encoder)
encode_vid_parameter_set(encoder);
bitstream_align(encoder->stream);
bitstream_flush(encoder->stream);
nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 1, NAL_VID_PARAMETER_SET, 0);
nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 1, NAL_VID_PARAMETER_SET, 1);
bitstream_clear_buffer(encoder->stream);
/* Picture Parameter Set (PPS) */
encode_pic_parameter_set(encoder);
bitstream_align(encoder->stream);
bitstream_flush(encoder->stream);
nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 1, NAL_PIC_PARAMETER_SET, 0);
nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 1, NAL_PIC_PARAMETER_SET, 1);
bitstream_clear_buffer(encoder->stream);
/* First slice is IDR */
@ -265,10 +265,11 @@ void encode_one_frame(encoder_control* encoder)
bitstream_flush(encoder->stream);
nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, NAL_IDR_SLICE, 1);
bitstream_clear_buffer(encoder->stream);
}
}
else if(encoder->frame < 3)
{
/* Non-IDR slice */
/*
cabac_start(&cabac);
encoder->in.cur_pic.type = NAL_NONIDR_SLICE;
encode_slice_header(encoder);
@ -279,6 +280,7 @@ void encode_one_frame(encoder_control* encoder)
bitstream_flush(encoder->stream);
nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, NAL_NONIDR_SLICE, encoder->frame+1);
bitstream_clear_buffer(encoder->stream);
*/
}
}
@ -313,7 +315,8 @@ void encode_pic_parameter_set(encoder_control* encoder)
//WRITE_U(encoder->stream, 0, 1, "dependent_slices_enabled_flag");
WRITE_U(encoder->stream, 0, 1, "transquant_bypass_enable_flag");
WRITE_U(encoder->stream, 0, 2, "tiles_enabled_flag");
WRITE_U(encoder->stream, 0, 1, "tiles_enabled_flag");
WRITE_U(encoder->stream, 0, 1, "entropy_coding_sync_enabled_flag");
//ToDo: enable tiles for concurrency
//IF tiles
//ENDIF
@ -324,14 +327,37 @@ void encode_pic_parameter_set(encoder_control* encoder)
WRITE_U(encoder->stream, 0, 1, "pps_scaling_list_data_present_flag");
//IF scaling_list
//ENDIF
WRITE_U(encoder->stream, 0, 1, "lists_modification_present_flag");
WRITE_UE(encoder->stream, 0, "log2_parallel_merge_level_minus2");
WRITE_U(encoder->stream, 0, 1, "slice_segment_header_extension_present_flag");
WRITE_U(encoder->stream, 0, 1, "pps_extension_flag");
}
void encode_PTL(encoder_control *encoder)
{
/*PTL*/
/*Profile Tier*/
WRITE_U(encoder->stream, 0, 2, "XXX_profile_space[]");
WRITE_U(encoder->stream, 0, 1, "XXX_tier_flag[]");
WRITE_U(encoder->stream, 0, 5, "XXX_profile_idc[]");
WRITE_U(encoder->stream, 0, 32, "XXX_profile_compatibility_flag[][j]");
WRITE_U(encoder->stream, 0, 1, "general_progressive_source_flag");
WRITE_U(encoder->stream, 0, 1, "general_interlaced_source_flag");
WRITE_U(encoder->stream, 0, 1, "general_non_packed_constraint_flag");
WRITE_U(encoder->stream, 0, 1, "general_frame_only_constraint_flag");
WRITE_U(encoder->stream, 0, 32, "XXX_reserved_zero_44bits[0..31]");
WRITE_U(encoder->stream, 0, 12, "XXX_reserved_zero_44bits[32..43]");
/*end Profile Tier */
WRITE_U(encoder->stream, 0, 8, "general_level_idc");
/*end PTL*/
}
void encode_seq_parameter_set(encoder_control* encoder)
{
int i;
#ifdef _DEBUG
printf("=========== Sequence Parameter Set ID: 0 ===========\n");
#endif
@ -339,7 +365,9 @@ void encode_seq_parameter_set(encoder_control* encoder)
WRITE_U(encoder->stream, 0, 4, "sps_video_parameter_set_id");
WRITE_U(encoder->stream, 0, 3, "sps_max_sub_layers_minus1");
WRITE_U(encoder->stream, 0, 1, "sps_temporal_id_nesting_flag");
WRITE_U(encoder->stream, 1, 1, "sps_temporal_id_nesting_flag");
encode_PTL(encoder);
WRITE_UE(encoder->stream, 0, "sps_seq_parameter_set_id");
WRITE_UE(encoder->stream, encoder->in.video_format, "chroma_format_idc"); /* 0 = 4:0:0, 1 = 4:2:0, 2 = 4:2:2, 3 = 4:4:4 */
@ -398,7 +426,9 @@ void encode_seq_parameter_set(encoder_control* encoder)
WRITE_U(encoder->stream, 0, 1, "sps_strong_intra_smoothing_enable_flag");
WRITE_U(encoder->stream, 0, 1, "vui_parameters_present_flag");
//ToDo: VUI?
//encode_VUI(encoder);
WRITE_U(encoder->stream, 0, 1, "sps_extension_flag");
}
@ -411,10 +441,12 @@ void encode_vid_parameter_set(encoder_control* encoder)
WRITE_U(encoder->stream, 0, 4, "vps_video_parameter_set_id");
WRITE_U(encoder->stream, 3, 2, "vps_reserved_three_2bits" );
WRITE_U(encoder->stream, 0, 6, "vps_reserved_zero_6bits" );
WRITE_U(encoder->stream, 0, 3, "vps_max_sub_layers_minus1");
WRITE_U(encoder->stream, 0, 1, "vps_temporal_id_nesting_flag");
WRITE_U(encoder->stream, 1, 1, "vps_temporal_id_nesting_flag");
WRITE_U(encoder->stream, 0xffff, 16, "vps_reserved_ffff_16bits");
encode_PTL(encoder);
WRITE_U(encoder->stream, 0, 1, "vps_sub_layer_ordering_info_present_flag");
//for each layer
WRITE_UE(encoder->stream, 0, "vps_max_dec_pic_buffering");
@ -473,21 +505,24 @@ void encode_slice_header(encoder_control* encoder)
printf("=========== Slice ===========\n");
#endif
WRITE_U(encoder->stream, 1, 1, "first_slice_in_pic_flag");
WRITE_U(encoder->stream, 1, 1, "first_slice_segment_in_pic_flag");
if(encoder->in.cur_pic.type == NAL_IDR_SLICE)
{
WRITE_U(encoder->stream, 0, 1, "no_output_of_prior_pics_flag");
}
WRITE_UE(encoder->stream, 0, "pic_parameter_set_id");
WRITE_UE(encoder->stream, 0, "slice_pic_parameter_set_id");
//WRITE_U(encoder->stream, 0, 1, "dependent_slice_segment_flag");
/* ToDo: add more slice types */
WRITE_UE(encoder->stream, SLICE_I, "slice_type");
WRITE_U(encoder->stream, 0, 1, "dependent_slice_flag");
// if !entropy_slice_flag
//if output_flag_present_flag
WRITE_U(encoder->stream, 1, 1, "pic_output_flag");
//WRITE_U(encoder->stream, 1, 1, "pic_output_flag");
//end if
//if( IdrPicFlag ) <- nal_unit_type == 5
if(encoder->in.cur_pic.type == NAL_IDR_SLICE)
@ -496,19 +531,28 @@ void encode_slice_header(encoder_control* encoder)
}
else
{
WRITE_U(encoder->stream, encoder->frame+1, 8, "pic_order_cnt_lsb");
WRITE_U(encoder->stream, encoder->frame+1, 4, "pic_order_cnt_lsb");
WRITE_U(encoder->stream, 1, 1, "short_term_ref_pic_set_sps_flag");
//WRITE_U(encoder->stream, 1, 1, "inter_ref_pic_set_prediction_flag");
WRITE_UE(encoder->stream, 0, "short_term_ref_pic_set_idx");
}
//end if
//end if
//IF sao
/*
WRITE_U(encoder->stream, 0,1, "slice_sao_luma_flag" );
WRITE_U(encoder->stream, 0,1, "slice_sao_chroma_flag" );
*/
//ENDIF
/* Skip flags that are not present */
// if !entropy_slice_flag
WRITE_SE(encoder->stream, 0, "slice_qp_delta");
/*
WRITE_UE(encoder->stream, 0, "5_minus_max_num_merge_cand");
WRITE_U(encoder->stream, 1, 1, "alignment");
*/
WRITE_U(encoder->stream, 1, 1, "alignment");
}
@ -596,11 +640,12 @@ void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, ui
return;
}
}
/*
if(yCtb > 20 && xCtb > 20)
{
cur_CU->type = CU_INTRA;
}
*/
/* coding_unit( x0, y0, log2CbSize ) */
/* prediction_unit 2Nx2N*/

View file

@ -45,7 +45,7 @@ void nal_write(FILE* output, uint8_t* buffer, uint32_t buffer_len, uint8_t nal_r
byte = nal_type<<1;
fwrite(&byte, 1, 1, output);
/* 5bits of reserved_one_6bits + Temporal_id(3) */
/* 5bits of reserved_one_6bits + nuh_temporal_id_plus1(3) */
byte = temporal_id&7;
fwrite(&byte, 1, 1, output);

View file

@ -6,14 +6,14 @@
/*! \file nal.h
\brief NAL
\author Marko Viitanen
\date 2012-06
\date 2013-02
NAL function headers
*/
#ifndef __NAL_H
#define __NAL_H
enum { NAL_NONIDR_SLICE = 0x1,NAL_IDR_SLICE = 0x8, NAL_VID_PARAMETER_SET = 25,NAL_SEQ_PARAMETER_SET = 26, NAL_PIC_PARAMETER_SET = 27 };
enum { NAL_NONIDR_SLICE = 0x1,NAL_IDR_SLICE = 19/*0x8*/, NAL_VID_PARAMETER_SET = 32,NAL_SEQ_PARAMETER_SET = 33, NAL_PIC_PARAMETER_SET = 34 };
void nal_write(FILE* output, uint8_t* buffer, uint32_t buffer_len, uint8_t nal_ref, uint8_t nal_type, uint8_t temporal_id);