* 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"
#ifndef _MSC_VER
#include "config.h"
#endif
+static void transpose( uint8_t *buf, int w )
+{
+ 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] );
+}
+
static void scaling_list_write( bs_t *s, x264_pps_t *pps, int idx )
{
const int len = idx<4 ? 16 : 64;
- const int *zigzag = idx<4 ? x264_zigzag_scan4 : x264_zigzag_scan8;
+ const int *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];
- 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->i_id = i_id;
- sps->b_qpprime_y_zero_transform_bypass = !param->rc.b_cbr && param->rc.i_qp_constant == 0;
+ 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;
else if( param->analyse.b_transform_8x8 || param->i_cqm_preset != X264_CQM_FLAT )
sps->i_profile_idc = PROFILE_BASELINE;
sps->i_level_idc = param->i_level_idc;
- sps->b_constraint_set0 = 0;
- sps->b_constraint_set1 = 0;
+ 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 */
}
}
- 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->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 ||
- !(param->analyse.inter & X264_ANALYSE_PSUB8x8) )
- {
- sps->b_direct8x8_inference = 1;
- }
+ 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 = param->analyse.i_direct_8x8_inference
+ || ! sps->b_frame_mbs_only
+ || !(param->analyse.inter & X264_ANALYSE_PSUB8x8);
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->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->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->b_vui |= sps->vui.b_overscan_info_present;
sps->vui.b_signal_type_present = 0;
sps->vui.i_vidformat = ( param->vui.i_vidformat <= 5 ? param->vui.i_vidformat : 5 );
{
sps->vui.b_signal_type_present = 1;
}
- sps->b_vui |= sps->vui.b_signal_type_present;
/* FIXME: not sufficient for interlaced video */
sps->vui.b_chroma_loc_info_present = ( param->vui.i_chroma_loc ? 1 : 0 );
sps->vui.i_chroma_loc_top = param->vui.i_chroma_loc;
sps->vui.i_chroma_loc_bottom = param->vui.i_chroma_loc;
}
- sps->b_vui |= sps->vui.b_chroma_loc_info_present;
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_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 )
{
}
else
{
- bs_write( s, 8, 255); /* aspect_ratio_idc (extented) */
+ 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 );
}
pps->b_weighted_pred = 0;
pps->b_weighted_bipred = param->analyse.b_weighted_bipred ? 2 : 0;
- pps->i_pic_init_qp = param->rc.b_cbr ? 26 : param->rc.i_qp_constant;
+ 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 = param->analyse.i_chroma_qp_offset;
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;
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 *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 2005 - http://www.videolan.org/x264.html",
- X264_BUILD, X264_VERSION );
+
+ 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 );
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_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 }
+};
+
+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 );
+ if( h->sps->b_direct8x8_inference < l->direct8x8 )
+ x264_log( h, X264_LOG_WARNING, "direct 8x8 inference (0) < level requirement (1)\n" );
+
+ /* TODO check the rest of the limits */
}
projects / x264 / blobdiff