/*****************************************************************************
* encoder.c: top-level encoder functions
*****************************************************************************
- * Copyright (C) 2003-2010 x264 project
+ * Copyright (C) 2003-2011 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
-#include <math.h>
-
#include "common/common.h"
#include "set.h"
sh->i_cabac_init_idc = param->i_cabac_init_idc;
- sh->i_qp = i_qp;
- sh->i_qp_delta = i_qp - pps->i_pic_init_qp;
+ sh->i_qp = SPEC_QP(i_qp);
+ sh->i_qp_delta = sh->i_qp - pps->i_pic_init_qp;
sh->b_sp_for_swidth = 0;
sh->i_qs_delta = 0;
}
h->param.analyse.i_weighted_pred = x264_clip3( h->param.analyse.i_weighted_pred, X264_WEIGHTP_NONE, X264_WEIGHTP_SMART );
- if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy && !h->param.b_interlaced )
+ if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy )
h->param.analyse.i_weighted_pred = X264_WEIGHTP_FAKE;
if( h->i_thread_frames > 1 )
h->param.vui.i_sar_width = i_w;
h->param.vui.i_sar_height = i_h;
}
+ x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
}
}
}
if( h->param.rc.psz_stat_in )
h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
- x264_set_aspect_ratio( h, &h->param, 1 );
-
x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
x264_reduce_fraction( &h->param.i_timebase_num, &h->param.i_timebase_den );
h->pps = &h->pps_array[0];
x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps );
+ x264_set_aspect_ratio( h, &h->param, 1 );
+
x264_validate_levels( h, 1 );
h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset;
i_slicetype_length = h->frames.i_delay;
h->frames.i_delay += h->i_thread_frames - 1;
h->frames.i_delay += h->param.i_sync_lookahead;
- h->frames.i_delay += h->param.b_vfr_input && (h->param.rc.i_rc_method == X264_RC_ABR || h->param.rc.b_stat_write
- || h->param.rc.i_vbv_buffer_size);
+ h->frames.i_delay += h->param.b_vfr_input;
h->frames.i_bframe_delay = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 2 : 1) : 0;
h->frames.i_max_ref0 = h->param.i_frame_reference;
p += sprintf( p, " none!" );
x264_log( h, X264_LOG_INFO, "%s\n", buf );
- for( qp = h->param.rc.i_qp_min; qp <= h->param.rc.i_qp_max; qp++ )
+ for( qp = X264_MIN( h->param.rc.i_qp_min, QP_MAX_SPEC ); qp <= h->param.rc.i_qp_max; qp++ )
if( x264_analyse_init_costs( h, qp ) )
goto fail;
if( x264_analyse_init_costs( h, X264_LOOKAHEAD_QP ) )
static const uint16_t cost_mv_correct[7] = { 24, 47, 95, 189, 379, 757, 1515 };
/* Checks for known miscompilation issues. */
- if( h->cost_mv[x264_lambda_tab[X264_LOOKAHEAD_QP]][2013] != cost_mv_correct[BIT_DEPTH-8] )
+ if( h->cost_mv[X264_LOOKAHEAD_QP][2013] != cost_mv_correct[BIT_DEPTH-8] )
{
x264_log( h, X264_LOG_ERROR, "MV cost test failed: x264 has been miscompiled!\n" );
goto fail;
else
h->thread[i]->fdec = h->thread[0]->fdec;
+ h->thread[i]->sps = &h->thread[i]->sps_array[0];
+ h->thread[i]->pps = &h->thread[i]->pps_array[0];
+
CHECKED_MALLOC( h->thread[i]->out.p_bitstream, h->out.i_bitstream );
/* Start each thread with room for init_nal_count NAL units; it'll realloc later if needed. */
CHECKED_MALLOC( h->thread[i]->out.nal, init_nal_count*sizeof(x264_nal_t) );
return -1;
newframe = x264_frame_pop_blank_unused( h );
+ if( !newframe )
+ return -1;
//FIXME: probably don't need to copy everything
*newframe = *h->fref[0][i_ref];
if( h->param.b_interlaced )
{
h->sh.i_delta_poc_bottom = h->param.b_tff ? 1 : -1;
- if( h->sh.i_delta_poc_bottom == -1 )
- h->sh.i_poc = h->fdec->i_poc + 1;
+ h->sh.i_poc += h->sh.i_delta_poc_bottom == -1;
}
else
h->sh.i_delta_poc_bottom = 0;
+ h->fdec->i_delta_poc[0] = h->sh.i_delta_poc_bottom == -1;
+ h->fdec->i_delta_poc[1] = h->sh.i_delta_poc_bottom == 1;
}
else if( h->sps->i_poc_type == 1 )
{
* other inaccuracies. */
int overhead_guess = (NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal)) + 1 + h->param.b_cabac + 5;
int slice_max_size = h->param.i_slice_max_size > 0 ? (h->param.i_slice_max_size-overhead_guess)*8 : 0;
+ int back_up_bitstream = slice_max_size || (!h->param.b_cabac && h->sps->i_profile_idc < PROFILE_HIGH);
int starting_bits = bs_pos(&h->out.bs);
int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
int b_hpel = h->fdec->b_kept_as_ref;
+ uint8_t *last_emu_check;
b_deblock &= b_hpel || h->param.psz_dump_yuv;
bs_realign( &h->out.bs );
/* init cabac */
x264_cabac_context_init( &h->cabac, h->sh.i_type, x264_clip3( h->sh.i_qp-QP_BD_OFFSET, 0, 51 ), h->sh.i_cabac_init_idc );
x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
+ last_emu_check = h->cabac.p;
}
+ else
+ last_emu_check = h->out.bs.p;
h->mb.i_last_qp = h->sh.i_qp;
h->mb.i_last_dqp = 0;
if( x264_bitstream_check_buffer( h ) )
return -1;
- if( slice_max_size )
+ if( back_up_bitstream )
{
mv_bits_bak = h->stat.frame.i_mv_bits;
tex_bits_bak = h->stat.frame.i_tex_bits;
x264_macroblock_analyse( h );
/* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
+reencode:
x264_macroblock_encode( h );
if( h->param.b_cabac )
i_skip = 0;
}
x264_macroblock_write_cavlc( h );
+ /* If there was a CAVLC level code overflow, try again at a higher QP. */
+ if( h->mb.b_overflow )
+ {
+ h->mb.i_chroma_qp = h->chroma_qp_table[++h->mb.i_qp];
+ h->mb.i_skip_intra = 0;
+ h->mb.b_skip_mc = 0;
+ h->mb.b_overflow = 0;
+ h->out.bs = bs_bak;
+ i_skip = i_skip_bak;
+ h->stat.frame.i_mv_bits = mv_bits_bak;
+ h->stat.frame.i_tex_bits = tex_bits_bak;
+ goto reencode;
+ }
}
}
/* Count the skip run, just in case. */
if( !h->param.b_cabac )
total_bits += bs_size_ue_big( i_skip );
- /* HACK: we assume no more than 3 bytes of NALU escaping, but
- * this can fail in CABAC streams with an extremely large number of identical
- * blocks in sequence (e.g. all-black intra blocks).
- * Thus, every 64 blocks, pretend we've used a byte.
- * For reference, a seqeuence of identical empty-CBP i16x16 blocks will use
- * one byte after 26 macroblocks, assuming a perfectly adapted CABAC.
- * That's 78 macroblocks to generate the 3-byte sequence to trigger an escape. */
- else if( ((mb_xy - h->sh.i_first_mb) & 63) == 63 )
- slice_max_size -= 8;
+ /* Check for escape bytes. */
+ uint8_t *end = h->param.b_cabac ? h->cabac.p : h->out.bs.p;
+ for( ; last_emu_check < end - 2; last_emu_check++ )
+ if( last_emu_check[0] == 0 && last_emu_check[1] == 0 && last_emu_check[2] <= 3 )
+ {
+ slice_max_size -= 8;
+ last_emu_check++;
+ }
/* We'll just re-encode this last macroblock if we go over the max slice size. */
if( total_bits - starting_bits > slice_max_size && !h->mb.b_reencode_mb )
{
thread_oldest = h;
}
#if HAVE_MMX
- if( h->i_thread_frames == 1 && h->param.cpu&X264_CPU_SSE_MISALIGN )
+ if( h->param.cpu&X264_CPU_SSE_MISALIGN )
x264_cpu_mask_misalign_sse();
#endif
if( h->i_ref[0] )
h->fdec->i_poc_l0ref0 = h->fref[0][0]->i_poc;
+ /* ------------------------ Create slice header ----------------------- */
+ x264_slice_init( h, i_nal_type, i_global_qp );
+
+ /*------------------------- Weights -------------------------------------*/
if( h->sh.i_type == SLICE_TYPE_B )
x264_macroblock_bipred_init( h );
- /*------------------------- Weights -------------------------------------*/
x264_weighted_pred_init( h );
- /* ------------------------ Create slice header ----------------------- */
- x264_slice_init( h, i_nal_type, i_global_qp );
-
if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
h->i_frame_num++;
pic_out->i_type = h->fenc->i_type;
pic_out->b_keyframe = h->fenc->b_keyframe;
+ pic_out->i_pic_struct = h->fenc->i_pic_struct;
pic_out->i_pts = h->fdec->i_pts;
pic_out->i_dts = h->fdec->i_dts;
h = h->thread[0];
+ for( int i = 0; i < h->i_thread_frames; i++ )
+ if( h->thread[i]->b_thread_active )
+ for( int j = 0; j < h->thread[i]->i_ref[0]; j++ )
+ if( h->thread[i]->fref[0][j] && h->thread[i]->fref[0][j]->b_duplicate )
+ x264_frame_delete( h->thread[i]->fref[0][j] );
+
for( int i = h->param.i_threads - 1; i >= 0; i-- )
{
x264_frame_t **frame;
x264_frame_delete( *frame );
}
frame = &h->thread[i]->fdec;
- assert( (*frame)->i_reference_count > 0 );
- (*frame)->i_reference_count--;
- if( (*frame)->i_reference_count == 0 )
- x264_frame_delete( *frame );
+ if( *frame )
+ {
+ assert( (*frame)->i_reference_count > 0 );
+ (*frame)->i_reference_count--;
+ if( (*frame)->i_reference_count == 0 )
+ x264_frame_delete( *frame );
+ }
x264_macroblock_cache_free( h->thread[i] );
}
x264_macroblock_thread_free( h->thread[i], 0 );
projects / x264 / blobdiff