* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
-#ifdef HAVE_STDINT_H
-#include <stdint.h>
-#else
-#include <inttypes.h>
-#endif
-#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#include <stdarg.h>
#include <math.h>
-#include "x264.h"
#include "common/common.h"
-#include "common/macroblock.h"
#ifndef _MSC_VER
#include "config.h"
#endif
-static const uint8_t *const x264_cqm_jvt[6] =
-{
- x264_cqm_jvt4i, x264_cqm_jvt4p,
- x264_cqm_jvt4i, x264_cqm_jvt4p,
- x264_cqm_jvt8i, x264_cqm_jvt8p
-};
-
static void scaling_list_write( bs_t *s, x264_pps_t *pps, int idx )
{
const int len = idx<4 ? 16 : 64;
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];
- int j;
- if( memcmp( list, def_list, len ) )
+ 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
- for( j = 0; j < len; j++ )
- bs_write_se( s, list[zigzag[j]] - (j>0 ? list[zigzag[j-1]] : 8) ); // delta
+ bs_write_se( s, -8 ); // use jvt list
}
else
- bs_write( s, 1, 0 ); // scaling_list_present_flag
+ {
+ int j, run;
+ bs_write( s, 1, 1 ); // scaling_list_present_flag
+
+ // 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->vui.i_num_reorder_frames = param->b_bframe_pyramid ? 2 : param->i_bframe ? 1 : 0;
- sps->vui.i_max_dec_frame_buffering =
- sps->i_num_ref_frames = X264_MIN(16, param->i_frame_reference + sps->vui.i_num_reorder_frames);
+ sps->b_vui = 1;
sps->b_gaps_in_frame_num_value_allowed = 0;
sps->i_mb_width = ( param->i_width + 15 ) / 16;
sps->b_direct8x8_inference = 1;
}
- if( param->i_width % 16 != 0 || param->i_height % 16 != 0 )
- {
- 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;
- }
- else
- {
- 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->crop.i_left = 0;
+ sps->crop.i_top = 0;
+ sps->crop.i_right = (- param->i_width) & 15;
+ sps->crop.i_bottom = (- param->i_height) & 15;
+ sps->b_crop = sps->crop.i_left || sps->crop.i_top ||
+ sps->crop.i_right || sps->crop.i_bottom;
- sps->b_vui = 0;
sps->vui.b_aspect_ratio_info_present = 0;
-
if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
{
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;
}
- sps->b_vui |= sps->vui.b_aspect_ratio_info_present;
+
+ 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->vui.b_color_description_present = 1;
+ }
+ if( sps->vui.i_vidformat != 5 ||
+ sps->vui.b_fullrange ||
+ sps->vui.b_color_description_present )
+ {
+ sps->vui.b_signal_type_present = 1;
+ }
+
+ /* 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 )
+ {
+ sps->vui.i_chroma_loc_top = param->vui.i_chroma_loc;
+ sps->vui.i_chroma_loc_bottom = param->vui.i_chroma_loc;
+ }
+
+ 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;
- /* The standard is confusing me, but this seems to work best
- with other encoders */
sps->vui.i_num_units_in_tick = param->i_fps_den;
- sps->vui.i_time_scale = param->i_fps_num;
+ sps->vui.i_time_scale = param->i_fps_num * 2;
sps->vui.b_fixed_frame_rate = 1;
}
- sps->b_vui |= sps->vui.b_timing_info_present;
- sps->vui.b_bitstream_restriction = param->i_bframe > 0;
+ 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, param->i_frame_reference + sps->vui.i_num_reorder_frames + param->b_bframe_pyramid);
+
+ sps->vui.b_bitstream_restriction = 1;
if( sps->vui.b_bitstream_restriction )
{
sps->vui.b_motion_vectors_over_pic_boundaries = 1;
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;
}
- sps->b_vui |= sps->vui.b_bitstream_restriction;
}
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 );
}
}
- bs_write1( s, 0 ); /* overscan_info_present_flag */
+ 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, 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, 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 )
pps->b_pic_order = 0;
pps->i_num_slice_groups = 1;
-#if 0
- if( pps->i_num_slice_groups > 1 )
- {
- 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;
- }
- }
- }
-#endif
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 = param->analyse.b_weighted_bipred ? 2 : 0;
- pps->i_pic_init_qp = 26;
+ pps->i_pic_init_qp = param->rc.b_cbr ? 26 : param->rc.i_qp_constant;
pps->i_pic_init_qs = 26;
pps->i_chroma_qp_index_offset = param->analyse.i_chroma_qp_offset;
bs_write( s, 1, pps->b_pic_order );
bs_write_ue( s, pps->i_num_slice_groups - 1 );
-#if 0
- 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] );
- */
- }
- }
- }
-#endif
-
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_rbsp_trailing( s );
}
-void x264_sei_version_write( bs_t *s )
+void x264_sei_version_write( x264_t *h, bs_t *s )
{
int i;
// random ID number generated according to ISO-11578
0xdc, 0x45, 0xe9, 0xbd, 0xe6, 0xd9, 0x48, 0xb7,
0x96, 0x2c, 0xd8, 0x20, 0xd9, 0x23, 0xee, 0xef
};
- char version[256];
+ char version[1200];
int length;
- sprintf( version, "x264 - core %d%s - H.264/MPEG-4 AVC codec - Copyleft 2005 - http://www.videolan.org/x264.html",
- X264_BUILD, X264_VERSION );
+ char *opts = x264_param2string( &h->param, 0 );
+
+ sprintf( version, "x264 - core %d%s - H.264/MPEG-4 AVC codec - "
+ "Copyleft 2005 - http://www.videolan.org/x264.html - options: %s",
+ X264_BUILD, X264_VERSION, opts );
+ x264_free( opts );
length = strlen(version)+1+16;
bs_write( s, 8, 0x5 ); // payload_type = user_data_unregistered
- while( length > 255 )
- bs_write( s, 8, 255 ), length -= 255;
- bs_write( s, 8, length ); // payload_size
+ // 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] );
bs_rbsp_trailing( s );
}
+
+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 }
+};
+
+void x264_validate_levels( x264_t *h )
+{
+ int mbs;
+
+ const x264_level_t *l = x264_levels;
+ while( l->level_idc != 0 && l->level_idc != h->param.i_level_idc )
+ l++;
+
+ mbs = h->sps->i_mb_width * h->sps->i_mb_height;
+ 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 )
+ x264_log( h, X264_LOG_WARNING, "frame MB size (%dx%d) > level limit (%d)\n",
+ h->sps->i_mb_width, h->sps->i_mb_height, l->frame_size );
+
+#define CHECK( name, limit, val ) \
+ if( (val) > (limit) ) \
+ x264_log( h, X264_LOG_WARNING, name " (%d) > level limit (%d)\n", (int)(val), (limit) );
+
+ CHECK( "DPB size", l->dpb, mbs * 384 * h->sps->i_num_ref_frames );
+ CHECK( "VBV bitrate", l->bitrate, h->param.rc.i_vbv_max_bitrate );
+ CHECK( "VBV buffer", l->cpb, h->param.rc.i_vbv_buffer_size );
+ CHECK( "MV range", l->mv_range, h->param.analyse.i_mv_range );
+
+ 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 */
+}