/*****************************************************************************
- * set: h264 encoder (SPS and SPS init and write)
+ * set: h264 encoder (SPS and PPS init and write)
*****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: set.c,v 1.1 2004/06/03 19:27:08 fenrir Exp $
+ * Copyright (C) 2003-2008 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Loren Merritt <lorenm@u.washington.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*****************************************************************************/
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdint.h>
+#include <math.h>
-#include "../x264.h"
-#include "../core/bs.h"
-#include "../core/set.h"
+#include "common/common.h"
+#ifndef _MSC_VER
+#include "config.h"
+#endif
+#include "set.h"
-void x264_sps_init( x264_sps_t *sps, int i_id, x264_param_t *param )
+#define bs_write_ue bs_write_ue_big
+
+static void transpose( uint8_t *buf, int w )
{
- sps->i_id = i_id;
+ int i, j;
+ for( i = 0; i < w; i++ )
+ for( j = 0; j < i; j++ )
+ XCHG( uint8_t, buf[w*i+j], buf[w*j+i] );
+}
- if( param->b_cabac || param->i_bframe > 0 )
- sps->i_profile_idc = PROFILE_MAIN;
+static void scaling_list_write( bs_t *s, x264_pps_t *pps, int idx )
+{
+ const int len = idx<4 ? 16 : 64;
+ const uint8_t *zigzag = idx<4 ? x264_zigzag_scan4[0] : x264_zigzag_scan8[0];
+ const uint8_t *list = pps->scaling_list[idx];
+ const uint8_t *def_list = (idx==CQM_4IC) ? pps->scaling_list[CQM_4IY]
+ : (idx==CQM_4PC) ? pps->scaling_list[CQM_4PY]
+ : x264_cqm_jvt[idx];
+ if( !memcmp( list, def_list, len ) )
+ bs_write( s, 1, 0 ); // scaling_list_present_flag
+ else if( !memcmp( list, x264_cqm_jvt[idx], len ) )
+ {
+ bs_write( s, 1, 1 ); // scaling_list_present_flag
+ bs_write_se( s, -8 ); // use jvt list
+ }
else
- sps->i_profile_idc = PROFILE_BASELINE;
+ {
+ int j, run;
+ bs_write( s, 1, 1 ); // scaling_list_present_flag
- sps->i_level_idc = 21; /* FIXME ? */
- sps->b_constraint_set0 = 0;
- sps->b_constraint_set1 = 0;
+ // try run-length compression of trailing values
+ for( run = len; run > 1; run-- )
+ if( list[zigzag[run-1]] != list[zigzag[run-2]] )
+ break;
+ if( run < len && len - run < bs_size_se( (int8_t)-list[zigzag[run]] ) )
+ run = len;
+
+ for( j = 0; j < run; j++ )
+ bs_write_se( s, (int8_t)(list[zigzag[j]] - (j>0 ? list[zigzag[j-1]] : 8)) ); // delta
+
+ if( run < len )
+ bs_write_se( s, (int8_t)-list[zigzag[run]] );
+ }
+}
+
+void x264_sps_init( x264_sps_t *sps, int i_id, x264_param_t *param )
+{
+ sps->i_id = i_id;
+
+ sps->b_qpprime_y_zero_transform_bypass = param->rc.i_rc_method == X264_RC_CQP && param->rc.i_qp_constant == 0;
+ if( sps->b_qpprime_y_zero_transform_bypass )
+ sps->i_profile_idc = PROFILE_HIGH444_PREDICTIVE;
+ else if( param->analyse.b_transform_8x8 || param->i_cqm_preset != X264_CQM_FLAT )
+ sps->i_profile_idc = PROFILE_HIGH;
+ else if( param->b_cabac || param->i_bframe > 0 || param->b_interlaced )
+ sps->i_profile_idc = PROFILE_MAIN;
+ else
+ sps->i_profile_idc = PROFILE_BASELINE;
+ sps->i_level_idc = param->i_level_idc;
+
+ sps->b_constraint_set0 = sps->i_profile_idc == PROFILE_BASELINE;
+ /* x264 doesn't support the features that are in Baseline and not in Main,
+ * namely arbitrary_slice_order and slice_groups. */
+ sps->b_constraint_set1 = sps->i_profile_idc <= PROFILE_MAIN;
+ /* Never set constraint_set2, it is not necessary and not used in real world. */
sps->b_constraint_set2 = 0;
sps->i_log2_max_frame_num = 4; /* at least 4 */
- while( (1 << sps->i_log2_max_frame_num) <= param->i_idrframe * param->i_iframe )
+ while( (1 << sps->i_log2_max_frame_num) <= param->i_keyint_max )
{
sps->i_log2_max_frame_num++;
}
}
}
- sps->i_num_ref_frames = param->i_frame_reference + 1; /* +1 for 2 ref in B */
+ sps->b_vui = 1;
+
sps->b_gaps_in_frame_num_value_allowed = 0;
sps->i_mb_width = ( param->i_width + 15 ) / 16;
- sps->i_mb_height= ( param->i_height + 15 )/ 16;
- sps->b_frame_mbs_only = 1;
- sps->b_mb_adaptive_frame_field = 0;
- sps->b_direct8x8_inference = 0;
- if( sps->b_frame_mbs_only == 0 )
+ sps->i_mb_height= ( param->i_height + 15 ) / 16;
+ if( param->b_interlaced )
+ sps->i_mb_height = ( sps->i_mb_height + 1 ) & ~1;
+ sps->b_frame_mbs_only = ! param->b_interlaced;
+ sps->b_mb_adaptive_frame_field = param->b_interlaced;
+ sps->b_direct8x8_inference = 1;
+
+ sps->crop.i_left = 0;
+ sps->crop.i_top = 0;
+ sps->crop.i_right = sps->i_mb_width*16 - param->i_width;
+ sps->crop.i_bottom = (sps->i_mb_height*16 - param->i_height) >> param->b_interlaced;
+ sps->b_crop = sps->crop.i_left || sps->crop.i_top ||
+ sps->crop.i_right || sps->crop.i_bottom;
+
+ sps->vui.b_aspect_ratio_info_present = 0;
+ if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
{
- sps->b_direct8x8_inference = 1;
+ sps->vui.b_aspect_ratio_info_present = 1;
+ sps->vui.i_sar_width = param->vui.i_sar_width;
+ sps->vui.i_sar_height= param->vui.i_sar_height;
}
- if( param->i_width % 16 != 0 || param->i_height % 16 != 0 )
+ sps->vui.b_overscan_info_present = ( param->vui.i_overscan ? 1 : 0 );
+ if( sps->vui.b_overscan_info_present )
+ sps->vui.b_overscan_info = ( param->vui.i_overscan == 2 ? 1 : 0 );
+
+ sps->vui.b_signal_type_present = 0;
+ sps->vui.i_vidformat = ( param->vui.i_vidformat <= 5 ? param->vui.i_vidformat : 5 );
+ sps->vui.b_fullrange = ( param->vui.b_fullrange ? 1 : 0 );
+ sps->vui.b_color_description_present = 0;
+
+ sps->vui.i_colorprim = ( param->vui.i_colorprim <= 9 ? param->vui.i_colorprim : 2 );
+ sps->vui.i_transfer = ( param->vui.i_transfer <= 11 ? param->vui.i_transfer : 2 );
+ sps->vui.i_colmatrix = ( param->vui.i_colmatrix <= 9 ? param->vui.i_colmatrix : 2 );
+ if( sps->vui.i_colorprim != 2 ||
+ sps->vui.i_transfer != 2 ||
+ sps->vui.i_colmatrix != 2 )
{
- sps->b_crop = 1;
- sps->crop.i_left = 0;
- sps->crop.i_right = ( 16 - param->i_width % 16)/2;
- sps->crop.i_top = 0;
- sps->crop.i_bottom = ( 16 - param->i_height % 16)/2;
+ sps->vui.b_color_description_present = 1;
}
- else
+
+ if( sps->vui.i_vidformat != 5 ||
+ sps->vui.b_fullrange ||
+ sps->vui.b_color_description_present )
{
- sps->b_crop = 0;
- sps->crop.i_left = 0;
- sps->crop.i_right = 0;
- sps->crop.i_top = 0;
- sps->crop.i_bottom = 0;
+ sps->vui.b_signal_type_present = 1;
}
- if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
+ /* FIXME: not sufficient for interlaced video */
+ sps->vui.b_chroma_loc_info_present = ( param->vui.i_chroma_loc ? 1 : 0 );
+ if( sps->vui.b_chroma_loc_info_present )
{
- int w = param->vui.i_sar_width;
- int h = param->vui.i_sar_height;
- int a = w, b = h;
-
- while( b != 0 )
- {
- int t = a;
+ sps->vui.i_chroma_loc_top = param->vui.i_chroma_loc;
+ sps->vui.i_chroma_loc_bottom = param->vui.i_chroma_loc;
+ }
- a = b;
- b = t % b;
- }
+ sps->vui.b_timing_info_present = 0;
+ if( param->i_fps_num > 0 && param->i_fps_den > 0)
+ {
+ sps->vui.b_timing_info_present = 1;
+ sps->vui.i_num_units_in_tick = param->i_fps_den;
+ sps->vui.i_time_scale = param->i_fps_num * 2;
+ sps->vui.b_fixed_frame_rate = 1;
+ }
- w /= a;
- h /= a;
- while( w > 65535 || h > 65535 )
- {
- w /= 2;
- h /= 2;
- }
+ sps->vui.i_num_reorder_frames = param->b_bframe_pyramid ? 2 : param->i_bframe ? 1 : 0;
+ /* extra slot with pyramid so that we don't have to override the
+ * order of forgetting old pictures */
+ sps->vui.i_max_dec_frame_buffering =
+ sps->i_num_ref_frames = X264_MIN(16, X264_MAX(param->i_frame_reference, 1 + sps->vui.i_num_reorder_frames));
- if( w == 0 || h == 0 )
- {
- fprintf( stderr, "x264: cannot create valid sample aspect ratio\n" );
- sps->b_vui = 0;
- }
- else if( w == h )
- {
- fprintf( stderr, "x264: no need for a SAR\n" );
- sps->b_vui = 0;
- }
- else
- {
- fprintf( stderr, "x264: using SAR=%d/%d\n", w, h );
- sps->b_vui = 1;
- sps->vui.i_sar_width = w;
- sps->vui.i_sar_height= h;
- }
- }
- else
+ sps->vui.b_bitstream_restriction = 1;
+ if( sps->vui.b_bitstream_restriction )
{
- sps->b_vui = 0;
+ sps->vui.b_motion_vectors_over_pic_boundaries = 1;
+ sps->vui.i_max_bytes_per_pic_denom = 0;
+ sps->vui.i_max_bits_per_mb_denom = 0;
+ sps->vui.i_log2_max_mv_length_horizontal =
+ sps->vui.i_log2_max_mv_length_vertical = (int)(log(param->analyse.i_mv_range*4-1)/log(2)) + 1;
}
}
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, 0 ); // bit_depth_luma_minus8
+ bs_write_ue( s, 0 ); // bit_depth_chroma_minus8
+ bs_write( s, 1, sps->b_qpprime_y_zero_transform_bypass );
+ bs_write( s, 1, 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_num_ref_frames );
bs_write( s, 1, 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 - 1);
+ if (sps->b_frame_mbs_only)
+ {
+ bs_write_ue( s, sps->i_mb_height - 1);
+ }
+ else // interlaced
+ {
+ bs_write_ue( s, sps->i_mb_height/2 - 1);
+ }
bs_write( s, 1, sps->b_frame_mbs_only );
if( !sps->b_frame_mbs_only )
{
bs_write( s, 1, sps->b_crop );
if( sps->b_crop )
{
- bs_write_ue( s, sps->crop.i_left );
- bs_write_ue( s, sps->crop.i_right );
- bs_write_ue( s, sps->crop.i_top );
- bs_write_ue( s, sps->crop.i_bottom );
+ 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_write( s, 1, sps->b_vui );
if( sps->b_vui )
{
- int i;
- static const struct { int w, h; int sar; } sar[] =
- {
- { 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}, { 0, 0, -1 }
- };
- bs_write1( s, 1 ); /* aspect_ratio_info_present_flag */
- for( i = 0; sar[i].sar != -1; i++ )
+ bs_write1( s, sps->vui.b_aspect_ratio_info_present );
+ if( sps->vui.b_aspect_ratio_info_present )
{
- if( sar[i].w == sps->vui.i_sar_width && sar[i].h == sps->vui.i_sar_height )
- break;
+ int i;
+ static const struct { int w, h; int sar; } sar[] =
+ {
+ { 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}, { 0, 0, -1 }
+ };
+ for( i = 0; sar[i].sar != -1; i++ )
+ {
+ if( sar[i].w == sps->vui.i_sar_width &&
+ sar[i].h == sps->vui.i_sar_height )
+ break;
+ }
+ if( sar[i].sar != -1 )
+ {
+ bs_write( s, 8, sar[i].sar );
+ }
+ else
+ {
+ bs_write( s, 8, 255); /* aspect_ratio_idc (extended) */
+ bs_write( s, 16, sps->vui.i_sar_width );
+ bs_write( s, 16, sps->vui.i_sar_height );
+ }
}
- if( sar[i].sar != -1 )
+
+ 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, 8, sar[i].sar );
+ 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 );
+ }
}
- else
+
+ bs_write1( s, sps->vui.b_chroma_loc_info_present );
+ if( sps->vui.b_chroma_loc_info_present )
{
- bs_write( s, 8, 255); /* aspect_ration_idc (extented) */
- bs_write( s, 16, sps->vui.i_sar_width );
- bs_write( s, 16, sps->vui.i_sar_height );
+ bs_write_ue( s, sps->vui.i_chroma_loc_top );
+ bs_write_ue( s, sps->vui.i_chroma_loc_bottom );
}
- bs_write1( s, 0 ); /* overscan_info_present_flag */
+ 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, 0 ); /* video_signal_type_present_flag */
-#if 0
- bs_write( s, 3, 5 ); /* unspecified video format */
- bs_write1( s, 1 ); /* video full range flag */
- bs_write1( s, 0 ); /* colour description present flag */
-#endif
- bs_write1( s, 0 ); /* chroma_loc_info_present_flag */
- bs_write1( s, 0 ); /* timing_info_present_flag */
bs_write1( s, 0 ); /* nal_hrd_parameters_present_flag */
bs_write1( s, 0 ); /* vcl_hrd_parameters_present_flag */
bs_write1( s, 0 ); /* pic_struct_present_flag */
- bs_write1( s, 0 ); /* bitstream_restriction_flag */
+ 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 );
void x264_pps_init( x264_pps_t *pps, int i_id, x264_param_t *param, x264_sps_t *sps )
{
+ int i, j;
+
pps->i_id = i_id;
pps->i_sps_id = sps->i_id;
pps->b_cabac = param->b_cabac;
pps->b_pic_order = 0;
pps->i_num_slice_groups = 1;
- if( pps->i_num_slice_groups > 1 )
- {
- int i;
-
- pps->i_slice_group_map_type = 0;
- if( pps->i_slice_group_map_type == 0 )
- {
- for( i = 0; i < pps->i_num_slice_groups; i++ )
- {
- pps->i_run_length[i] = 1;
- }
- }
- else if( pps->i_slice_group_map_type == 2 )
- {
- for( i = 0; i < pps->i_num_slice_groups; i++ )
- {
- pps->i_top_left[i] = 0;
- pps->i_bottom_right[i] = 0;
- }
- }
- else if( pps->i_slice_group_map_type >= 3 &&
- pps->i_slice_group_map_type <= 5 )
- {
- pps->b_slice_group_change_direction = 0;
- pps->i_slice_group_change_rate = 0;
- }
- else if( pps->i_slice_group_map_type == 6 )
- {
- pps->i_pic_size_in_map_units = 1;
- for( i = 0; i < pps->i_pic_size_in_map_units; i++ )
- {
- pps->i_slice_group_id[i] = 0;
- }
- }
- }
pps->i_num_ref_idx_l0_active = 1;
pps->i_num_ref_idx_l1_active = 1;
pps->b_weighted_pred = 0;
- pps->b_weighted_bipred = 0;
+ pps->b_weighted_bipred = param->analyse.b_weighted_bipred ? 2 : 0;
- pps->i_pic_init_qp = 26;
+ pps->i_pic_init_qp = param->rc.i_rc_method == X264_RC_ABR ? 26 : param->rc.i_qp_constant;
pps->i_pic_init_qs = 26;
- pps->i_chroma_qp_index_offset = 0;
-#if 0
- if( !param->b_deblocking_filter )
- {
- pps->b_deblocking_filter_control = 1;
- }
- else
- {
- pps->b_deblocking_filter_control = 1;
- }
-#endif
+ pps->i_chroma_qp_index_offset = param->analyse.i_chroma_qp_offset;
pps->b_deblocking_filter_control = 1;
pps->b_constrained_intra_pred = 0;
pps->b_redundant_pic_cnt = 0;
+
+ pps->b_transform_8x8_mode = param->analyse.b_transform_8x8 ? 1 : 0;
+
+ pps->i_cqm_preset = param->i_cqm_preset;
+ switch( pps->i_cqm_preset )
+ {
+ case X264_CQM_FLAT:
+ for( i = 0; i < 6; i++ )
+ pps->scaling_list[i] = x264_cqm_flat16;
+ break;
+ case X264_CQM_JVT:
+ for( i = 0; i < 6; i++ )
+ pps->scaling_list[i] = x264_cqm_jvt[i];
+ break;
+ case X264_CQM_CUSTOM:
+ /* match the transposed DCT & zigzag */
+ transpose( param->cqm_4iy, 4 );
+ transpose( param->cqm_4ic, 4 );
+ transpose( param->cqm_4py, 4 );
+ transpose( param->cqm_4pc, 4 );
+ transpose( param->cqm_8iy, 8 );
+ transpose( param->cqm_8py, 8 );
+ pps->scaling_list[CQM_4IY] = param->cqm_4iy;
+ pps->scaling_list[CQM_4IC] = param->cqm_4ic;
+ pps->scaling_list[CQM_4PY] = param->cqm_4py;
+ pps->scaling_list[CQM_4PC] = param->cqm_4pc;
+ pps->scaling_list[CQM_8IY+4] = param->cqm_8iy;
+ pps->scaling_list[CQM_8PY+4] = param->cqm_8py;
+ for( i = 0; i < 6; i++ )
+ for( j = 0; j < (i<4?16:64); j++ )
+ if( pps->scaling_list[i][j] == 0 )
+ pps->scaling_list[i] = x264_cqm_jvt[i];
+ break;
+ }
}
void x264_pps_write( bs_t *s, x264_pps_t *pps )
bs_write( s, 1, pps->b_pic_order );
bs_write_ue( s, pps->i_num_slice_groups - 1 );
- if( pps->i_num_slice_groups > 1 )
- {
- int i;
-
- bs_write_ue( s, pps->i_slice_group_map_type );
- if( pps->i_slice_group_map_type == 0 )
- {
- for( i = 0; i < pps->i_num_slice_groups; i++ )
- {
- bs_write_ue( s, pps->i_run_length[i] - 1 );
- }
- }
- else if( pps->i_slice_group_map_type == 2 )
- {
- for( i = 0; i < pps->i_num_slice_groups; i++ )
- {
- bs_write_ue( s, pps->i_top_left[i] );
- bs_write_ue( s, pps->i_bottom_right[i] );
- }
- }
- else if( pps->i_slice_group_map_type >= 3 &&
- pps->i_slice_group_map_type <= 5 )
- {
- bs_write( s, 1, pps->b_slice_group_change_direction );
- bs_write_ue( s, pps->b_slice_group_change_direction - 1 );
- }
- else if( pps->i_slice_group_map_type == 6 )
- {
- bs_write_ue( s, pps->i_pic_size_in_map_units - 1 );
- for( i = 0; i < pps->i_pic_size_in_map_units; i++ )
- {
- /* FIXME */
- /* bs_write( s, ceil( log2( pps->i_pic_size_in_map_units +1 ) ),
- * pps->i_slice_group_id[i] );
- */
- }
- }
- }
-
bs_write_ue( s, pps->i_num_ref_idx_l0_active - 1 );
bs_write_ue( s, pps->i_num_ref_idx_l1_active - 1 );
bs_write( s, 1, pps->b_weighted_pred );
bs_write( s, 1, pps->b_constrained_intra_pred );
bs_write( s, 1, pps->b_redundant_pic_cnt );
+ if( pps->b_transform_8x8_mode || pps->i_cqm_preset != X264_CQM_FLAT )
+ {
+ bs_write( s, 1, pps->b_transform_8x8_mode );
+ bs_write( s, 1, (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_write( s, 1, 0 ); // Cr = Cb
+ scaling_list_write( s, pps, CQM_4PY );
+ scaling_list_write( s, pps, CQM_4PC );
+ bs_write( s, 1, 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 );
+}
+
+void x264_sei_version_write( x264_t *h, bs_t *s )
+{
+ int i;
+ // random ID number generated according to ISO-11578
+ 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 = x264_malloc( 200 + strlen(opts) );
+ int length;
+
+ sprintf( version, "x264 - core %d%s - H.264/MPEG-4 AVC codec - "
+ "Copyleft 2003-2009 - http://www.videolan.org/x264.html - options: %s",
+ X264_BUILD, X264_VERSION, opts );
+ length = strlen(version)+1+16;
+
+ bs_write( s, 8, 0x5 ); // payload_type = 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( i = 0; i < 16; i++ )
+ bs_write( s, 8, uuid[i] );
+ for( i = 0; i < length-16; i++ )
+ bs_write( s, 8, version[i] );
+
bs_rbsp_trailing( s );
+
+ x264_free( opts );
+ x264_free( version );
+}
+
+const x264_level_t x264_levels[] =
+{
+ { 10, 1485, 99, 152064, 64, 175, 64, 64, 0, 0, 0, 1 },
+// {"1b", 1485, 99, 152064, 128, 350, 64, 64, 0, 0, 0, 1 },
+ { 11, 3000, 396, 345600, 192, 500, 128, 64, 0, 0, 0, 1 },
+ { 12, 6000, 396, 912384, 384, 1000, 128, 64, 0, 0, 0, 1 },
+ { 13, 11880, 396, 912384, 768, 2000, 128, 64, 0, 0, 0, 1 },
+ { 20, 11880, 396, 912384, 2000, 2000, 128, 64, 0, 0, 0, 1 },
+ { 21, 19800, 792, 1824768, 4000, 4000, 256, 64, 0, 0, 0, 0 },
+ { 22, 20250, 1620, 3110400, 4000, 4000, 256, 64, 0, 0, 0, 0 },
+ { 30, 40500, 1620, 3110400, 10000, 10000, 256, 32, 22, 0, 1, 0 },
+ { 31, 108000, 3600, 6912000, 14000, 14000, 512, 16, 60, 1, 1, 0 },
+ { 32, 216000, 5120, 7864320, 20000, 20000, 512, 16, 60, 1, 1, 0 },
+ { 40, 245760, 8192, 12582912, 20000, 25000, 512, 16, 60, 1, 1, 0 },
+ { 41, 245760, 8192, 12582912, 50000, 62500, 512, 16, 24, 1, 1, 0 },
+ { 42, 522240, 8704, 13369344, 50000, 62500, 512, 16, 24, 1, 1, 1 },
+ { 50, 589824, 22080, 42393600, 135000, 135000, 512, 16, 24, 1, 1, 1 },
+ { 51, 983040, 36864, 70778880, 240000, 240000, 512, 16, 24, 1, 1, 1 },
+ { 0 }
+};
+
+#define ERROR(...)\
+{\
+ if( verbose )\
+ x264_log( h, X264_LOG_WARNING, __VA_ARGS__ );\
+ ret = 1;\
}
+int x264_validate_levels( x264_t *h, int verbose )
+{
+ int ret = 0;
+ int mbs = h->sps->i_mb_width * h->sps->i_mb_height;
+ int dpb = mbs * 384 * h->sps->i_num_ref_frames;
+ int cbp_factor = h->sps->i_profile_idc==PROFILE_HIGH ? 5 : 4;
+
+ const x264_level_t *l = x264_levels;
+ while( l->level_idc != 0 && l->level_idc != h->param.i_level_idc )
+ l++;
+
+ if( l->frame_size < mbs
+ || l->frame_size*8 < h->sps->i_mb_width * h->sps->i_mb_width
+ || l->frame_size*8 < h->sps->i_mb_height * h->sps->i_mb_height )
+ ERROR( "frame MB size (%dx%d) > level limit (%d)\n",
+ h->sps->i_mb_width, h->sps->i_mb_height, l->frame_size );
+ if( dpb > l->dpb )
+ ERROR( "DPB size (%d frames, %d bytes) > level limit (%d frames, %d bytes)\n",
+ h->sps->i_num_ref_frames, dpb, (int)(l->dpb / (384*mbs)), l->dpb );
+
+#define CHECK( name, limit, val ) \
+ if( (val) > (limit) ) \
+ ERROR( name " (%d) > level limit (%d)\n", (int)(val), (limit) );
+
+ CHECK( "VBV bitrate", (l->bitrate * cbp_factor) / 4, h->param.rc.i_vbv_max_bitrate );
+ CHECK( "VBV buffer", (l->cpb * cbp_factor) / 4, h->param.rc.i_vbv_buffer_size );
+ CHECK( "MV range", l->mv_range, h->param.analyse.i_mv_range );
+ CHECK( "interlaced", !l->frame_only, h->param.b_interlaced );
+
+ if( h->param.i_fps_den > 0 )
+ CHECK( "MB rate", l->mbps, (int64_t)mbs * h->param.i_fps_num / h->param.i_fps_den );
+
+ /* TODO check the rest of the limits */
+ return ret;
+}