diff options
Diffstat (limited to 'libhb/encx264.c')
| -rw-r--r-- | libhb/encx264.c | 419 |
1 files changed, 212 insertions, 207 deletions
diff --git a/libhb/encx264.c b/libhb/encx264.c index e680b36d4..692a327ac 100644 --- a/libhb/encx264.c +++ b/libhb/encx264.c @@ -70,142 +70,148 @@ int encx264Init( hb_work_object_t * w, hb_job_t * job ) param.i_fps_den = job->vrate_base; param.i_keyint_max = 20 * job->vrate / job->vrate_base; param.i_log_level = X264_LOG_INFO; - if( job->h264_level ) - { - param.i_threads = 1; - param.b_cabac = 0; - param.i_level_idc = job->h264_level; - hb_log( "encx264: encoding at level %i", - param.i_level_idc ); - } - - /* Slightly faster with minimal quality lost */ - param.analyse.i_subpel_refine = 4; - - /* This section passes the string x264opts to libx264 for parsing into parameter names and values. - - The string is set up like this: - option1=value1:option2=value 2 - - So, you have to iterate through based on the colons, and then put the left side of the equals sign in "name" - and the right side into "value." Then you hand those strings off to x264 for interpretation. - - This is all based on the universal x264 option handling Loren Merritt implemented in the Mplayer/Mencoder project. - */ - - char *x264opts = job->x264opts; - if(x264opts != NULL && *x264opts != '\0') - { - while(*x264opts) - { - char *name = x264opts; - char *value; - int ret; - - x264opts += strcspn(x264opts, ":"); - if(*x264opts) - { - *x264opts = 0; - x264opts++; - } - - value = strchr( name, '=' ); - if(value) - { - *value = 0; - value++; - } - - /* - When B-frames are enabled, the max frame count increments by 1 (regardless of the number of B-frames). - If you don't change the duration of the video track when you mux, libmp4 barfs. - So, check if the x264opts are using B-frames, and when they are, set the boolean job->areBframes as true. - */ - - if (!(strcmp(name, "bframes"))) - { - if (atoi(value) > 0) - { - job->areBframes = 1; - } - } + if( job->h264_level ) + { + param.i_threads = 1; + param.b_cabac = 0; + param.i_level_idc = job->h264_level; + hb_log( "encx264: encoding at level %i", + param.i_level_idc ); + } + + /* Slightly faster with minimal quality lost */ + param.analyse.i_subpel_refine = 4; + + /* + This section passes the string x264opts to libx264 for parsing into + parameter names and values. + + The string is set up like this: + option1=value1:option2=value 2 + + So, you have to iterate through based on the colons, and then put + the left side of the equals sign in "name" and the right side into + "value." Then you hand those strings off to x264 for interpretation. + + This is all based on the universal x264 option handling Loren + Merritt implemented in the Mplayer/Mencoder project. + */ + + char *x264opts = job->x264opts; + if( x264opts != NULL && *x264opts != '\0' ) + { + while( *x264opts ) + { + char *name = x264opts; + char *value; + int ret; + + x264opts += strcspn( x264opts, ":" ); + if( *x264opts ) + { + *x264opts = 0; + x264opts++; + } + + value = strchr( name, '=' ); + if( value ) + { + *value = 0; + value++; + } + + /* + When B-frames are enabled, the max frame count increments + by 1 (regardless of the number of B-frames). If you don't + change the duration of the video track when you mux, libmp4 + barfs. So, check if the x264opts are using B-frames, and + when they are, set the boolean job->areBframes as true. + */ + + if( !( strcmp( name, "bframes" ) ) ) + { + if( atoi( value ) > 0 ) + { + job->areBframes = 1; + } + } /* Note b-pyramid here, so the initial delay can be doubled */ - if (!(strcmp(name, "b-pyramid"))) + if( !( strcmp( name, "b-pyramid" ) ) ) { - if (value != NULL) + if( value != NULL ) { - if (atoi(value) > 0) - { - job->areBframes = 2; - } + if( atoi( value ) > 0 ) + { + job->areBframes = 2; + } } else { job->areBframes = 2; } - } + } /* Here's where the strings are passed to libx264 for parsing. */ - ret = x264_param_parse(¶m, name, value); - - /* Let x264 sanity check the options for us*/ - if(ret == X264_PARAM_BAD_NAME) - printf("x264 options: Unknown suboption %s\n", name); - if(ret == X264_PARAM_BAD_VALUE) - printf("x264 options: Bad argument %s=%s\n", name, value ? value : "(null)"); - } - } - - - if( job->pixel_ratio ) - { - param.vui.i_sar_width = job->pixel_aspect_width; - param.vui.i_sar_height = job->pixel_aspect_height; - - hb_log( "encx264: encoding with stored aspect %d/%d", - param.vui.i_sar_width, param.vui.i_sar_height ); - } - - - if( job->vquality >= 0.0 && job->vquality <= 1.0 ) - { - switch(job->crf) - { - case 1: - /*Constant RF*/ - param.rc.i_rc_method = X264_RC_CRF; - param.rc.f_rf_constant = 51 - job->vquality * 51; - hb_log( "encx264: Encoding at constant RF %f", - param.rc.f_rf_constant ); - break; - - case 0: - /*Constant QP*/ - param.rc.i_rc_method = X264_RC_CQP; - param.rc.i_qp_constant = 51 - job->vquality * 51; - hb_log( "encx264: encoding at constant QP %d", - param.rc.i_qp_constant ); - break; - } - } - else - { - /* Rate control */ - param.rc.i_rc_method = X264_RC_ABR; - param.rc.i_bitrate = job->vbitrate; - switch( job->pass ) - { - case 1: - param.rc.b_stat_write = 1; - param.rc.psz_stat_out = pv->filename; - break; - case 2: - param.rc.b_stat_read = 1; - param.rc.psz_stat_in = pv->filename; - break; - } - } + ret = x264_param_parse( ¶m, name, value ); + + /* Let x264 sanity check the options for us*/ + if( ret == X264_PARAM_BAD_NAME ) + hb_log( "x264 options: Unknown suboption %s", name ); + if( ret == X264_PARAM_BAD_VALUE ) + hb_log( "x264 options: Bad argument %s=%s", name, value ? value : "(null)" ); + } + } + + + if( job->pixel_ratio ) + { + param.vui.i_sar_width = job->pixel_aspect_width; + param.vui.i_sar_height = job->pixel_aspect_height; + + hb_log( "encx264: encoding with stored aspect %d/%d", + param.vui.i_sar_width, param.vui.i_sar_height ); + } + + + if( job->vquality >= 0.0 && job->vquality <= 1.0 ) + { + switch( job->crf ) + { + case 1: + /*Constant RF*/ + param.rc.i_rc_method = X264_RC_CRF; + param.rc.f_rf_constant = 51 - job->vquality * 51; + hb_log( "encx264: Encoding at constant RF %f", + param.rc.f_rf_constant ); + break; + + case 0: + /*Constant QP*/ + param.rc.i_rc_method = X264_RC_CQP; + param.rc.i_qp_constant = 51 - job->vquality * 51; + hb_log( "encx264: encoding at constant QP %d", + param.rc.i_qp_constant ); + break; + } + } + else + { + /* Rate control */ + param.rc.i_rc_method = X264_RC_ABR; + param.rc.i_bitrate = job->vbitrate; + switch( job->pass ) + { + case 1: + param.rc.b_stat_write = 1; + param.rc.psz_stat_out = pv->filename; + break; + case 2: + param.rc.b_stat_read = 1; + param.rc.psz_stat_in = pv->filename; + break; + } + } hb_log( "encx264: opening libx264 (pass %d)", job->pass ); pv->x264 = x264_encoder_open( ¶m ); @@ -223,7 +229,7 @@ int encx264Init( hb_work_object_t * w, hb_job_t * job ) memcpy( &w->config->h264.pps[1], nal[2].p_payload, nal[2].i_payload ); x264_picture_alloc( &pv->pic_in, X264_CSP_I420, - job->width, job->height ); + job->width, job->height ); pv->dts_write_index = 0; pv->dts_read_index = 0; @@ -253,22 +259,22 @@ int encx264Work( hb_work_object_t * w, hb_buffer_t ** buf_in, x264_nal_t * nal; int i; - if (in->data) + if( in->data ) { /* XXX avoid this memcpy ? */ memcpy( pv->pic_in.img.plane[0], in->data, job->width * job->height ); if( job->grayscale ) { - /* XXX x264 has currently no option for grayscale encoding */ - memset( pv->pic_in.img.plane[1], 0x80, job->width * job->height / 4 ); - memset( pv->pic_in.img.plane[2], 0x80, job->width * job->height / 4 ); + /* XXX x264 has currently no option for grayscale encoding */ + memset( pv->pic_in.img.plane[1], 0x80, job->width * job->height / 4 ); + memset( pv->pic_in.img.plane[2], 0x80, job->width * job->height / 4 ); } else { - memcpy( pv->pic_in.img.plane[1], in->data + job->width * job->height, - job->width * job->height / 4 ); - memcpy( pv->pic_in.img.plane[2], in->data + 5 * job->width * - job->height / 4, job->width * job->height / 4 ); + memcpy( pv->pic_in.img.plane[1], in->data + job->width * job->height, + job->width * job->height / 4 ); + memcpy( pv->pic_in.img.plane[2], in->data + 5 * job->width * + job->height / 4, job->width * job->height / 4 ); } pv->pic_in.i_type = X264_TYPE_AUTO; @@ -283,50 +289,50 @@ int encx264Work( hb_work_object_t * w, hb_buffer_t ** buf_in, pv->pic_in.i_pts = in->start; x264_encoder_encode( pv->x264, &nal, &i_nal, - &pv->pic_in, &pic_out ); + &pv->pic_in, &pic_out ); } else { x264_encoder_encode( pv->x264, &nal, &i_nal, NULL, &pic_out ); /* No more delayed B frames */ - if(i_nal == 0) + if( i_nal == 0 ) { - *buf_out = NULL; + *buf_out = NULL; return HB_WORK_DONE; } - else - { - /* Since we output at least one more frame, drop another empty one onto - our input fifo. We'll keep doing this automatically until we stop - getting frames out of the encoder. */ - hb_fifo_push(w->fifo_in, hb_buffer_init(0)); - } + else + { + /* Since we output at least one more frame, drop another empty + one onto our input fifo. We'll keep doing this automatically + until we stop getting frames out of the encoder. */ + hb_fifo_push(w->fifo_in, hb_buffer_init(0)); + } } - if (i_nal) + if( i_nal ) { - /* Should be way too large */ - buf = hb_buffer_init( 3 * job->width * job->height / 2 ); - buf->size = 0; - buf->start = in->start; - buf->stop = in->stop; - buf->key = 0; - - int64_t dts_start, dts_stop; - - // Get next DTS value to use - dts_start = pv->dts_start[pv->dts_read_index & (MAX_INFLIGHT_FRAMES-1)]; - dts_stop = pv->dts_stop[pv->dts_read_index & (MAX_INFLIGHT_FRAMES-1)]; - pv->dts_read_index++; - - for( i = 0; i < i_nal; i++ ) - { - int size, data; - - data = buf->alloc - buf->size; - if( ( size = x264_nal_encode( buf->data + buf->size, &data, - 1, &nal[i] ) ) < 1 ) + /* Should be way too large */ + buf = hb_buffer_init( 3 * job->width * job->height / 2 ); + buf->size = 0; + buf->start = in->start; + buf->stop = in->stop; + buf->key = 0; + + int64_t dts_start, dts_stop; + + /* Get next DTS value to use */ + dts_start = pv->dts_start[pv->dts_read_index & (MAX_INFLIGHT_FRAMES-1)]; + dts_stop = pv->dts_stop[pv->dts_read_index & (MAX_INFLIGHT_FRAMES-1)]; + pv->dts_read_index++; + + for( i = 0; i < i_nal; i++ ) + { + int size, data; + + data = buf->alloc - buf->size; + if( ( size = x264_nal_encode( buf->data + buf->size, &data, + 1, &nal[i] ) ) < 1 ) { continue; } @@ -355,53 +361,52 @@ int encx264Work( hb_work_object_t * w, hb_buffer_t ** buf_in, buf->data[buf->size+1] = ( ( size - 4 ) >> 16 ) & 0xFF; buf->data[buf->size+2] = ( ( size - 4 ) >> 8 ) & 0xFF; buf->data[buf->size+3] = ( ( size - 4 ) >> 0 ) & 0xFF; - - /* For IDR (key frames), buf->key = 1, - and the same for regular I-frames. */ - if( (pic_out.i_type == X264_TYPE_IDR) || (pic_out.i_type == X264_TYPE_I) ) - { - buf->key = 1; - } - /* For B-frames, buf->key = 2 */ - else if( (pic_out.i_type == X264_TYPE_B) ) - { - buf->key = 2; - } - /* This is for b-pyramid, which has reference b-frames - However, it doesn't seem to ever be used... - They just show up as buf->key == 2 like - regular b-frames. */ - else if( (pic_out.i_type == X264_TYPE_BREF) ) - { - buf->key = 3; - } - /* For P-frames, buf->key = 0 */ - else - { - buf->key = 0; - } - - /* Store the output presentation time stamp - from x264 for use by muxmp4 in off-setting - b-frames with the CTTS atom. */ - /* For now, just add 1000000 to the offset so that the - value is pretty much guaranteed to be positive. The - muxing code will minimize the renderOffsets at the end. */ - - buf->renderOffset = pic_out.i_pts - dts_start + 1000000; - - /* Send out the next dts values */ - buf->start = dts_start; - buf->stop = dts_stop; - - buf->size += size; + switch( pic_out.i_type ) + { + /* For IDR (key frames), buf->key = 1, + and the same for regular I-frames. */ + case X264_TYPE_IDR: + case X264_TYPE_I: + buf->key = 1; + break; + /* For B-frames, buf->key = 2 */ + case X264_TYPE_B: + buf->key = 2; + break; + /* This is for b-pyramid, which has reference b-frames + However, it doesn't seem to ever be used... + They just show up as buf->key == 2 like + regular b-frames. */ + case X264_TYPE_BREF: + buf->key = 3; + break; + /* For P-frames, buf->key = 0 */ + default: + buf->key = 0; + } + + + /* Store the output presentation time stamp + from x264 for use by muxmp4 in off-setting + b-frames with the CTTS atom. + For now, just add 1000000 to the offset so that the + value is pretty much guaranteed to be positive. The + muxing code will minimize the renderOffset at the end. */ + + buf->renderOffset = pic_out.i_pts - dts_start + 1000000; + + /* Send out the next dts values */ + buf->start = dts_start; + buf->stop = dts_stop; + + buf->size += size; } } } else buf = NULL; - + *buf_out = buf; return HB_WORK_OK; |