void x264_sei_pic_timing_write( x264_t *h, bs_t *s )
{
x264_sps_t *sps = h->sps;
bs_realign( s );
uint8_t *p_start = x264_sei_write_header( s, SEI_PIC_TIMING );
if( sps->vui.b_nal_hrd_parameters_present || sps->vui.b_vcl_hrd_parameters_present )
{
bs_write( s, sps->vui.hrd.i_cpb_removal_delay_length, h->fenc->i_cpb_delay );
bs_write( s, sps->vui.hrd.i_dpb_output_delay_length, h->fenc->i_dpb_output_delay );
}
if( sps->vui.b_pic_struct_present )
{
bs_write( s, 4, h->fenc->i_pic_struct-1 ); // We use index 0 for "Auto"
// These clock timestamps are not standardised so we don't set them
// They could be time of origin, capture or alternative ideal display
for( int i = 0; i < num_clock_ts[h->fenc->i_pic_struct]; i++ )
bs_write1( s, 0 ); // clock_timestamp_flag
}
x264_sei_write( s, p_start );
bs_flush( s );
}
void x264_sei_pic_timing_write( x264_t *h, bs_t *s )
{
x264_sps_t *sps = h->sps;
bs_t q;
uint8_t tmp_buf[100];
bs_init( &q, tmp_buf, 100 );
bs_realign( &q );
if( sps->vui.b_nal_hrd_parameters_present || sps->vui.b_vcl_hrd_parameters_present )
{
bs_write( &q, sps->vui.hrd.i_cpb_removal_delay_length, h->fenc->i_cpb_delay - h->i_cpb_delay_pir_offset );
bs_write( &q, sps->vui.hrd.i_dpb_output_delay_length, h->fenc->i_dpb_output_delay );
}
if( sps->vui.b_pic_struct_present )
{
bs_write( &q, 4, h->fenc->i_pic_struct-1 ); // We use index 0 for "Auto"
// These clock timestamps are not standardised so we don't set them
// They could be time of origin, capture or alternative ideal display
for( int i = 0; i < num_clock_ts[h->fenc->i_pic_struct]; i++ )
bs_write1( &q, 0 ); // clock_timestamp_flag
}
bs_align_10( &q );
bs_flush( &q );
x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_PIC_TIMING );
}
void x264_filler_write( x264_t *h, bs_t *s, int filler )
{
bs_realign( s );
for( int i = 0; i < filler; i++ )
bs_write( s, 8, 0xff );
bs_rbsp_trailing( s );
bs_flush( s );
}
static void x264_sei_write( bs_t *s, uint8_t *p_start )
{
bs_align_10( s );
bs_flush( s );
p_start[0] = s->p - p_start - 1; // -1 for the length byte
bs_realign( s );
bs_rbsp_trailing( s );
}
static uint8_t *x264_sei_write_header( bs_t *s, int payload_type )
{
bs_write( s, 8, payload_type );
bs_flush( s );
uint8_t *p_start = s->p;
bs_realign( s );
bs_write( s, 8, 0 );
return p_start;
}
void x264_sei_recovery_point_write( x264_t *h, bs_t *s, int recovery_frame_cnt )
{
bs_realign( s );
uint8_t *p_start = x264_sei_write_header( s, SEI_RECOVERY_POINT );
bs_write_ue( s, recovery_frame_cnt ); // recovery_frame_cnt
bs_write( s, 1, 1 ); //exact_match_flag 1
bs_write( s, 1, 0 ); //broken_link_flag 0
bs_write( s, 2, 0 ); //changing_slice_group 0
x264_sei_write( s, p_start );
bs_flush( s );
}
void x264_sps_write( bs_t *s, x264_sps_t *sps )
{
bs_realign( s );
bs_write( s, 8, sps->i_profile_idc );
bs_write1( s, sps->b_constraint_set0 );
bs_write1( s, sps->b_constraint_set1 );
bs_write1( s, sps->b_constraint_set2 );
bs_write1( s, sps->b_constraint_set3 );
bs_write( s, 4, 0 ); /* reserved */
bs_write( s, 8, sps->i_level_idc );
bs_write_ue( s, sps->i_id );
if( sps->i_profile_idc >= PROFILE_HIGH )
{
bs_write_ue( s, sps->i_chroma_format_idc );
if( sps->i_chroma_format_idc == CHROMA_444 )
bs_write1( s, 0 ); // separate_colour_plane_flag
bs_write_ue( s, BIT_DEPTH-8 ); // bit_depth_luma_minus8
bs_write_ue( s, BIT_DEPTH-8 ); // bit_depth_chroma_minus8
bs_write1( s, sps->b_qpprime_y_zero_transform_bypass );
bs_write1( s, 0 ); // seq_scaling_matrix_present_flag
}
bs_write_ue( s, sps->i_log2_max_frame_num - 4 );
bs_write_ue( s, sps->i_poc_type );
if( sps->i_poc_type == 0 )
bs_write_ue( s, sps->i_log2_max_poc_lsb - 4 );
bs_write_ue( s, sps->i_num_ref_frames );
bs_write1( s, sps->b_gaps_in_frame_num_value_allowed );
bs_write_ue( s, sps->i_mb_width - 1 );
bs_write_ue( s, (sps->i_mb_height >> !sps->b_frame_mbs_only) - 1);
bs_write1( s, sps->b_frame_mbs_only );
if( !sps->b_frame_mbs_only )
bs_write1( s, sps->b_mb_adaptive_frame_field );
bs_write1( s, sps->b_direct8x8_inference );
bs_write1( s, sps->b_crop );
if( sps->b_crop )
{
int h_shift = sps->i_chroma_format_idc == CHROMA_420 || sps->i_chroma_format_idc == CHROMA_422;
int v_shift = sps->i_chroma_format_idc == CHROMA_420;
bs_write_ue( s, sps->crop.i_left >> h_shift );
bs_write_ue( s, sps->crop.i_right >> h_shift );
bs_write_ue( s, sps->crop.i_top >> v_shift );
bs_write_ue( s, sps->crop.i_bottom >> v_shift );
}
void x264_pps_write( bs_t *s, x264_pps_t *pps )
{
bs_realign( s );
bs_write_ue( s, pps->i_id );
bs_write_ue( s, pps->i_sps_id );
bs_write1( s, pps->b_cabac );
bs_write1( s, pps->b_pic_order );
bs_write_ue( s, pps->i_num_slice_groups - 1 );
bs_write_ue( s, pps->i_num_ref_idx_l0_default_active - 1 );
bs_write_ue( s, pps->i_num_ref_idx_l1_default_active - 1 );
bs_write1( s, pps->b_weighted_pred );
bs_write( s, 2, pps->b_weighted_bipred );
bs_write_se( s, pps->i_pic_init_qp - 26 - QP_BD_OFFSET );
bs_write_se( s, pps->i_pic_init_qs - 26 - QP_BD_OFFSET );
bs_write_se( s, pps->i_chroma_qp_index_offset );
bs_write1( s, pps->b_deblocking_filter_control );
bs_write1( s, pps->b_constrained_intra_pred );
bs_write1( s, pps->b_redundant_pic_cnt );
if( pps->b_transform_8x8_mode || pps->i_cqm_preset != X264_CQM_FLAT )
{
bs_write1( s, pps->b_transform_8x8_mode );
bs_write1( s, (pps->i_cqm_preset != X264_CQM_FLAT) );
if( pps->i_cqm_preset != X264_CQM_FLAT )
{
scaling_list_write( s, pps, CQM_4IY );
scaling_list_write( s, pps, CQM_4IC );
bs_write1( s, 0 ); // Cr = Cb
scaling_list_write( s, pps, CQM_4PY );
scaling_list_write( s, pps, CQM_4PC );
bs_write1( s, 0 ); // Cr = Cb
if( pps->b_transform_8x8_mode )
{
scaling_list_write( s, pps, CQM_8IY+4 );
scaling_list_write( s, pps, CQM_8PY+4 );
}
}
bs_write_se( s, pps->i_chroma_qp_index_offset );
}
bs_rbsp_trailing( s );
bs_flush( s );
}
void x264_sei_buffering_period_write( x264_t *h, bs_t *s )
{
x264_sps_t *sps = h->sps;
bs_realign( s );
uint8_t *p_start = x264_sei_write_header( s, SEI_BUFFERING_PERIOD );
bs_write_ue( s, sps->i_id );
if( sps->vui.b_nal_hrd_parameters_present )
{
bs_write( s, sps->vui.hrd.i_initial_cpb_removal_delay_length, h->initial_cpb_removal_delay );
bs_write( s, sps->vui.hrd.i_initial_cpb_removal_delay_length, h->initial_cpb_removal_delay_offset );
}
x264_sei_write( s, p_start );
bs_flush( s );
}
int x264_sei_version_write( x264_t *h, bs_t *s )
{
int i;
// random ID number generated according to ISO-11578
static const uint8_t uuid[16] =
{
0xdc, 0x45, 0xe9, 0xbd, 0xe6, 0xd9, 0x48, 0xb7,
0x96, 0x2c, 0xd8, 0x20, 0xd9, 0x23, 0xee, 0xef
};
char *opts = x264_param2string( &h->param, 0 );
char *version;
int length;
if( !opts )
return -1;
CHECKED_MALLOC( version, 200 + strlen( opts ) );
sprintf( version, "x264 - core %d%s - H.264/MPEG-4 AVC codec - "
"Copyleft 2003-2010 - http://www.videolan.org/x264.html - options: %s",
X264_BUILD, X264_VERSION, opts );
length = strlen(version)+1+16;
bs_realign( s );
bs_write( s, 8, SEI_USER_DATA_UNREGISTERED );
// payload_size
for( i = 0; i <= length-255; i += 255 )
bs_write( s, 8, 255 );
bs_write( s, 8, length-i );
for( int j = 0; j < 16; j++ )
bs_write( s, 8, uuid[j] );
for( int j = 0; j < length-16; j++ )
bs_write( s, 8, version[j] );
bs_rbsp_trailing( s );
bs_flush( s );
x264_free( opts );
x264_free( version );
return 0;
fail:
x264_free( opts );
return -1;
}
void x264_sei_recovery_point_write( x264_t *h, bs_t *s, int recovery_frame_cnt )
{
bs_t q;
uint8_t tmp_buf[100];
bs_init( &q, tmp_buf, 100 );
bs_realign( &q );
bs_write_ue( &q, recovery_frame_cnt ); // recovery_frame_cnt
bs_write1( &q, 1 ); //exact_match_flag 1
bs_write1( &q, 0 ); //broken_link_flag 0
bs_write( &q, 2, 0 ); //changing_slice_group 0
bs_align_10( &q );
bs_flush( &q );
x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_RECOVERY_POINT );
}
void x264_sei_write( bs_t *s, uint8_t *payload, int payload_size, int payload_type )
{
int i;
bs_realign( s );
for( i = 0; i <= payload_type-255; i += 255 )
bs_write( s, 8, 255 );
bs_write( s, 8, payload_type-i );
for( i = 0; i <= payload_size-255; i += 255 )
bs_write( s, 8, 255 );
bs_write( s, 8, payload_size-i );
for( i = 0; i < payload_size; i++ )
bs_write( s, 8, payload[i] );
bs_rbsp_trailing( s );
bs_flush( s );
}
void x264_sei_buffering_period_write( x264_t *h, bs_t *s )
{
x264_sps_t *sps = h->sps;
bs_t q;
uint8_t tmp_buf[100];
bs_init( &q, tmp_buf, 100 );
bs_realign( &q );
bs_write_ue( &q, sps->i_id );
if( sps->vui.b_nal_hrd_parameters_present )
{
bs_write( &q, sps->vui.hrd.i_initial_cpb_removal_delay_length, h->initial_cpb_removal_delay );
bs_write( &q, sps->vui.hrd.i_initial_cpb_removal_delay_length, h->initial_cpb_removal_delay_offset );
}
bs_align_10( &q );
bs_flush( &q );
x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_BUFFERING_PERIOD );
}
void x264_sei_frame_packing_write( x264_t *h, bs_t *s )
{
bs_t q;
uint8_t tmp_buf[100];
bs_init( &q, tmp_buf, 100 );
bs_realign( &q );
bs_write_ue( &q, 0 ); // frame_packing_arrangement_id
bs_write1( &q, 0 ); // frame_packing_arrangement_cancel_flag
bs_write ( &q, 7, h->param.i_frame_packing ); // frame_packing_arrangement_type
bs_write1( &q, 0 ); // quincunx_sampling_flag
// 0: views are unrelated, 1: left view is on the left, 2: left view is on the right
bs_write ( &q, 6, 1 ); // content_interpretation_type
bs_write1( &q, 0 ); // spatial_flipping_flag
bs_write1( &q, 0 ); // frame0_flipped_flag
bs_write1( &q, 0 ); // field_views_flag
bs_write1( &q, h->param.i_frame_packing == 5 && !(h->fenc->i_frame&1) ); // current_frame_is_frame0_flag
bs_write1( &q, 0 ); // frame0_self_contained_flag
bs_write1( &q, 0 ); // frame1_self_contained_flag
if ( /* quincunx_sampling_flag == 0 && */ h->param.i_frame_packing != 5 )
{
bs_write( &q, 4, 0 ); // frame0_grid_position_x
bs_write( &q, 4, 0 ); // frame0_grid_position_y
bs_write( &q, 4, 0 ); // frame1_grid_position_x
bs_write( &q, 4, 0 ); // frame1_grid_position_y
}
bs_write( &q, 8, 0 ); // frame_packing_arrangement_reserved_byte
bs_write_ue( &q, 1 ); // frame_packing_arrangement_repetition_period
bs_write1( &q, 0 ); // frame_packing_arrangement_extension_flag
bs_align_10( &q );
bs_flush( &q );
x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_FRAME_PACKING );
}
void x264_sps_write( bs_t *s, x264_sps_t *sps )
{
bs_realign( s );
bs_write( s, 8, sps->i_profile_idc );
bs_write1( s, sps->b_constraint_set0 );
bs_write1( s, sps->b_constraint_set1 );
bs_write1( s, sps->b_constraint_set2 );
bs_write1( s, sps->b_constraint_set3 );
bs_write( s, 4, 0 ); /* reserved */
bs_write( s, 8, sps->i_level_idc );
bs_write_ue( s, sps->i_id );
if( sps->i_profile_idc >= PROFILE_HIGH )
{
bs_write_ue( s, 1 ); // chroma_format_idc = 4:2:0
bs_write_ue( s, BIT_DEPTH-8 ); // bit_depth_luma_minus8
bs_write_ue( s, BIT_DEPTH-8 ); // bit_depth_chroma_minus8
bs_write1( s, sps->b_qpprime_y_zero_transform_bypass );
bs_write1( s, 0 ); // seq_scaling_matrix_present_flag
}
bs_write_ue( s, sps->i_log2_max_frame_num - 4 );
bs_write_ue( s, sps->i_poc_type );
if( sps->i_poc_type == 0 )
{
bs_write_ue( s, sps->i_log2_max_poc_lsb - 4 );
}
else if( sps->i_poc_type == 1 )
{
bs_write1( s, sps->b_delta_pic_order_always_zero );
bs_write_se( s, sps->i_offset_for_non_ref_pic );
bs_write_se( s, sps->i_offset_for_top_to_bottom_field );
bs_write_ue( s, sps->i_num_ref_frames_in_poc_cycle );
for( int i = 0; i < sps->i_num_ref_frames_in_poc_cycle; i++ )
bs_write_se( s, sps->i_offset_for_ref_frame[i] );
}
bs_write_ue( s, sps->i_num_ref_frames );
bs_write1( s, sps->b_gaps_in_frame_num_value_allowed );
bs_write_ue( s, sps->i_mb_width - 1 );
bs_write_ue( s, (sps->i_mb_height >> !sps->b_frame_mbs_only) - 1);
bs_write1( s, sps->b_frame_mbs_only );
if( !sps->b_frame_mbs_only )
bs_write1( s, sps->b_mb_adaptive_frame_field );
bs_write1( s, sps->b_direct8x8_inference );
bs_write1( s, sps->b_crop );
if( sps->b_crop )
{
bs_write_ue( s, sps->crop.i_left / 2 );
bs_write_ue( s, sps->crop.i_right / 2 );
bs_write_ue( s, sps->crop.i_top / 2 );
bs_write_ue( s, sps->crop.i_bottom / 2 );
}
bs_write1( s, sps->b_vui );
if( sps->b_vui )
{
bs_write1( s, sps->vui.b_aspect_ratio_info_present );
if( sps->vui.b_aspect_ratio_info_present )
{
int i;
static const struct { uint8_t w, h, sar; } sar[] =
{
// aspect_ratio_idc = 0 -> unspecified
{ 1, 1, 1 }, { 12, 11, 2 }, { 10, 11, 3 }, { 16, 11, 4 },
{ 40, 33, 5 }, { 24, 11, 6 }, { 20, 11, 7 }, { 32, 11, 8 },
{ 80, 33, 9 }, { 18, 11, 10}, { 15, 11, 11}, { 64, 33, 12},
{160, 99, 13}, { 4, 3, 14}, { 3, 2, 15}, { 2, 1, 16},
// aspect_ratio_idc = [17..254] -> reserved
{ 0, 0, 255 }
};
for( i = 0; sar[i].sar != 255; i++ )
{
if( sar[i].w == sps->vui.i_sar_width &&
sar[i].h == sps->vui.i_sar_height )
break;
}
bs_write( s, 8, sar[i].sar );
if( sar[i].sar == 255 ) /* aspect_ratio_idc (extended) */
{
bs_write( s, 16, sps->vui.i_sar_width );
bs_write( s, 16, sps->vui.i_sar_height );
}
}
bs_write1( s, sps->vui.b_overscan_info_present );
if( sps->vui.b_overscan_info_present )
bs_write1( s, sps->vui.b_overscan_info );
bs_write1( s, sps->vui.b_signal_type_present );
if( sps->vui.b_signal_type_present )
{
bs_write( s, 3, sps->vui.i_vidformat );
bs_write1( s, sps->vui.b_fullrange );
bs_write1( s, sps->vui.b_color_description_present );
if( sps->vui.b_color_description_present )
{
bs_write( s, 8, sps->vui.i_colorprim );
bs_write( s, 8, sps->vui.i_transfer );
bs_write( s, 8, sps->vui.i_colmatrix );
}
}
bs_write1( s, sps->vui.b_chroma_loc_info_present );
if( sps->vui.b_chroma_loc_info_present )
{
bs_write_ue( s, sps->vui.i_chroma_loc_top );
bs_write_ue( s, sps->vui.i_chroma_loc_bottom );
}
bs_write1( s, sps->vui.b_timing_info_present );
if( sps->vui.b_timing_info_present )
{
bs_write32( s, sps->vui.i_num_units_in_tick );
bs_write32( s, sps->vui.i_time_scale );
bs_write1( s, sps->vui.b_fixed_frame_rate );
}
bs_write1( s, sps->vui.b_nal_hrd_parameters_present );
if( sps->vui.b_nal_hrd_parameters_present )
{
bs_write_ue( s, sps->vui.hrd.i_cpb_cnt - 1 );
bs_write( s, 4, sps->vui.hrd.i_bit_rate_scale );
bs_write( s, 4, sps->vui.hrd.i_cpb_size_scale );
bs_write_ue( s, sps->vui.hrd.i_bit_rate_value - 1 );
bs_write_ue( s, sps->vui.hrd.i_cpb_size_value - 1 );
bs_write1( s, sps->vui.hrd.b_cbr_hrd );
bs_write( s, 5, sps->vui.hrd.i_initial_cpb_removal_delay_length - 1 );
bs_write( s, 5, sps->vui.hrd.i_cpb_removal_delay_length - 1 );
bs_write( s, 5, sps->vui.hrd.i_dpb_output_delay_length - 1 );
bs_write( s, 5, sps->vui.hrd.i_time_offset_length );
}
bs_write1( s, sps->vui.b_vcl_hrd_parameters_present );
if( sps->vui.b_nal_hrd_parameters_present || sps->vui.b_vcl_hrd_parameters_present )
bs_write1( s, 0 ); /* low_delay_hrd_flag */
bs_write1( s, sps->vui.b_pic_struct_present );
bs_write1( s, sps->vui.b_bitstream_restriction );
if( sps->vui.b_bitstream_restriction )
{
bs_write1( s, sps->vui.b_motion_vectors_over_pic_boundaries );
bs_write_ue( s, sps->vui.i_max_bytes_per_pic_denom );
bs_write_ue( s, sps->vui.i_max_bits_per_mb_denom );
bs_write_ue( s, sps->vui.i_log2_max_mv_length_horizontal );
bs_write_ue( s, sps->vui.i_log2_max_mv_length_vertical );
bs_write_ue( s, sps->vui.i_num_reorder_frames );
bs_write_ue( s, sps->vui.i_max_dec_frame_buffering );
}
}
bs_rbsp_trailing( s );
bs_flush( s );
}
