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work.c
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/* work.c
Copyright (c) 2003-2020 HandBrake Team
This file is part of the HandBrake source code
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License v2.
For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
*/
#include "handbrake/handbrake.h"
#include "libavformat/avformat.h"
#include "handbrake/decomb.h"
#include "handbrake/hbavfilter.h"
#if HB_PROJECT_FEATURE_QSV
#include "handbrake/qsv_common.h"
#include "handbrake/qsv_filter_pp.h"
#endif
typedef struct
{
hb_list_t * jobs;
hb_job_t ** current_job;
hb_error_code * error;
volatile int * die;
} hb_work_t;
static void work_func();
static void do_job( hb_job_t *);
static void filter_loop( void * );
#define FIFO_UNBOUNDED 65536
#define FIFO_UNBOUNDED_WAKE 65535
#define FIFO_LARGE 32
#define FIFO_LARGE_WAKE 16
#define FIFO_SMALL 16
#define FIFO_SMALL_WAKE 15
#define FIFO_MINI 4
#define FIFO_MINI_WAKE 3
/**
* Allocates work object and launches work thread with work_func.
* @param jobs Handle to hb_list_t.
* @param die Handle to user inititated exit indicator.
* @param error Handle to error indicator.
*/
hb_thread_t * hb_work_init( hb_list_t * jobs, volatile int * die, hb_error_code * error, hb_job_t ** job )
{
hb_work_t * work = calloc( sizeof( hb_work_t ), 1 );
work->jobs = jobs;
work->current_job = job;
work->die = die;
work->error = error;
return hb_thread_init( "work", work_func, work, HB_LOW_PRIORITY );
}
static void InitWorkState(hb_job_t * job, int pass, int pass_count)
{
hb_state_t state;
memset(&state, 0, sizeof(state));
state.state = HB_STATE_WORKING;
state.sequence_id = job->sequence_id;
#define p state.param.working
p.pass_id = job->pass_id;
p.pass = pass;
p.pass_count = pass_count;
p.progress = 0.0;
p.rate_cur = 0.0;
p.rate_avg = 0.0;
p.eta_seconds = 0;
p.hours = -1;
p.minutes = -1;
p.seconds = -1;
#undef p
hb_set_state( job->h, &state );
}
static void SetWorkStateInfo(hb_job_t *job)
{
hb_state_t state;
if (job == NULL)
{
return;
}
hb_get_state2(job->h, &state);
state.param.working.error = *job->done_error;
hb_set_state( job->h, &state );
}
/**
* Iterates through job list and calls do_job for each job.
* @param _work Handle work object.
*/
static void work_func( void * _work )
{
hb_work_t * work = _work;
hb_job_t * job;
time_t t = time(NULL);
hb_log("Starting work at: %s", asctime(localtime(&t)));
hb_log( "%d job(s) to process", hb_list_count( work->jobs ) );
while( !*work->die && ( job = hb_list_item( work->jobs, 0 ) ) )
{
hb_handle_t * h = job->h;
hb_list_rem( work->jobs, job );
hb_list_t * passes = hb_list_init();
// JSON jobs get special treatment. We want to perform the title
// scan for the JSON job automatically. This requires that we delay
// filling the job struct till we have performed the title scan
// because the default values for the job come from the title.
if (job->json != NULL)
{
hb_deep_log(1, "json job:\n%s", job->json);
// Initialize state sequence_id
InitWorkState(job, 0, 0);
// Perform title scan for json job
hb_json_job_scan(job->h, job->json);
// Expand json string to full job struct
hb_job_t *new_job = hb_json_to_job(job->h, job->json);
if (new_job == NULL)
{
hb_job_close(&job);
hb_list_close(&passes);
*work->error = HB_ERROR_INIT;
*work->die = 1;
break;
}
new_job->h = job->h;
new_job->sequence_id = job->sequence_id;
hb_job_close(&job);
job = new_job;
}
hb_job_setup_passes(job->h, job, passes);
hb_job_close(&job);
int pass_count, pass;
pass_count = hb_list_count(passes);
for (pass = 0; pass < pass_count && !*work->die; pass++)
{
job = hb_list_item(passes, pass);
job->die = work->die;
job->done_error = work->error;
*(work->current_job) = job;
InitWorkState(job, pass + 1, pass_count);
do_job( job );
}
SetWorkStateInfo(job);
*(work->current_job) = NULL;
// Clean job passes
for (pass = 0; pass < pass_count; pass++)
{
job = hb_list_item(passes, pass);
hb_job_close(&job);
}
hb_list_close(&passes);
// Force rescan of next source processed by this hb_handle_t
// TODO: Fix this ugly hack!
hb_force_rescan(h);
}
t = time(NULL);
hb_log("Finished work at: %s", asctime(localtime(&t)));
free( work );
}
hb_work_object_t * hb_get_work( hb_handle_t *h, int id )
{
hb_work_object_t * w;
for( w = hb_objects; w; w = w->next )
{
if( w->id == id )
{
hb_work_object_t *wc = malloc( sizeof(*w) );
*wc = *w;
wc->h = h;
return wc;
}
}
return NULL;
}
hb_work_object_t* hb_audio_decoder(hb_handle_t *h, int codec)
{
hb_work_object_t * w = NULL;
if (codec & HB_ACODEC_FF_MASK)
{
w = hb_get_work(h, WORK_DECAVCODEC);
}
switch (codec)
{
case HB_ACODEC_LPCM:
w = hb_get_work(h, WORK_DECLPCM);
break;
default:
break;
}
return w;
}
hb_work_object_t* hb_video_decoder(hb_handle_t *h, int vcodec, int param)
{
hb_work_object_t * w;
w = hb_get_work(h, vcodec);
if (w == NULL)
{
hb_error("Invalid video decoder: codec %d, param %d", vcodec, param);
return NULL;
}
w->codec_param = param;
return w;
}
hb_work_object_t* hb_video_encoder(hb_handle_t *h, int vcodec)
{
hb_work_object_t * w = NULL;
switch (vcodec)
{
case HB_VCODEC_FFMPEG_MPEG4:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_MPEG4;
break;
case HB_VCODEC_FFMPEG_MPEG2:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_MPEG2VIDEO;
break;
case HB_VCODEC_FFMPEG_VP8:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_VP8;
break;
case HB_VCODEC_FFMPEG_VP9:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_VP9;
break;
case HB_VCODEC_X264_8BIT:
case HB_VCODEC_X264_10BIT:
w = hb_get_work(h, WORK_ENCX264);
break;
case HB_VCODEC_QSV_H264:
case HB_VCODEC_QSV_H265:
case HB_VCODEC_QSV_H265_10BIT:
w = hb_get_work(h, WORK_ENCQSV);
break;
case HB_VCODEC_THEORA:
w = hb_get_work(h, WORK_ENCTHEORA);
break;
#if HB_PROJECT_FEATURE_X265
case HB_VCODEC_X265_8BIT:
case HB_VCODEC_X265_10BIT:
case HB_VCODEC_X265_12BIT:
case HB_VCODEC_X265_16BIT:
w = hb_get_work(h, WORK_ENCX265);
break;
#endif
#if HB_PROJECT_FEATURE_VCE
case HB_VCODEC_FFMPEG_VCE_H264:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_H264;
break;
case HB_VCODEC_FFMPEG_VCE_H265:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_HEVC;
break;
#endif
#if HB_PROJECT_FEATURE_NVENC
case HB_VCODEC_FFMPEG_NVENC_H264:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_H264;
break;
case HB_VCODEC_FFMPEG_NVENC_H265:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_HEVC;
break;
#endif
#ifdef __APPLE__
case HB_VCODEC_FFMPEG_VT_H264:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_H264;
break;
case HB_VCODEC_FFMPEG_VT_H265:
w = hb_get_work(h, WORK_ENCAVCODEC);
w->codec_param = AV_CODEC_ID_HEVC;
break;
#endif
default:
hb_error("Unknown video codec (0x%x)", vcodec );
}
return w;
}
hb_work_object_t* hb_audio_encoder(hb_handle_t *h, int codec)
{
if (codec & HB_ACODEC_FF_MASK)
{
return hb_get_work(h, WORK_ENCAVCODEC_AUDIO);
}
switch (codec)
{
case HB_ACODEC_AC3:
case HB_ACODEC_LAME: return hb_get_work(h, WORK_ENCAVCODEC_AUDIO);
case HB_ACODEC_VORBIS: return hb_get_work(h, WORK_ENCVORBIS);
case HB_ACODEC_CA_AAC: return hb_get_work(h, WORK_ENC_CA_AAC);
case HB_ACODEC_CA_HAAC: return hb_get_work(h, WORK_ENC_CA_HAAC);
default: break;
}
return NULL;
}
/**
* Displays job parameters in the debug log.
* @param job Handle work hb_job_t.
*/
void hb_display_job_info(hb_job_t *job)
{
int i;
hb_title_t *title = job->title;
hb_audio_t *audio;
hb_subtitle_t *subtitle;
hb_log("job configuration:");
hb_log( " * source");
hb_log( " + %s", title->path );
if( job->pts_to_start || job->pts_to_stop )
{
int64_t stop;
int hr_start, min_start, hr_stop, min_stop;
float sec_start, sec_stop;
stop = job->pts_to_start + job->pts_to_stop;
hr_start = job->pts_to_start / (90000 * 60 * 60);
min_start = job->pts_to_start / (90000 * 60);
sec_start = (float)job->pts_to_start / 90000.0 - min_start * 60;
min_start %= 60;
hr_stop = stop / (90000 * 60 * 60);
min_stop = stop / (90000 * 60);
sec_stop = (float)stop / 90000.0 - min_stop * 60;
min_stop %= 60;
if (job->pts_to_stop)
{
hb_log(" + title %d, start %02d:%02d:%02.2f stop %02d:%02d:%02.2f",
title->index,
hr_start, min_start, sec_start,
hr_stop, min_stop, sec_stop);
}
else
{
hb_log(" + title %d, start %02d:%02d:%02.2f",
title->index,
hr_start, min_start, sec_start);
}
}
else if( job->frame_to_start || job->frame_to_stop )
{
hb_log(" + title %d, frames %d to %d", title->index,
job->frame_to_start, job->frame_to_start +
job->frame_to_stop - 1);
}
else
{
hb_log( " + title %d, chapter(s) %d to %d", title->index,
job->chapter_start, job->chapter_end );
}
if( title->container_name != NULL )
hb_log( " + container: %s", title->container_name);
if( title->data_rate )
{
hb_log( " + data rate: %d kbps", title->data_rate / 1000 );
}
hb_log( " * destination");
hb_log( " + %s", job->file );
hb_log(" + container: %s", hb_container_get_long_name(job->mux));
switch (job->mux)
{
case HB_MUX_AV_MP4:
if (job->mp4_optimize)
hb_log(" + optimized for HTTP streaming (fast start)");
if (job->ipod_atom)
hb_log(" + compatibility atom for iPod 5G");
break;
default:
break;
}
if (job->align_av_start)
{
hb_log(" + align initial A/V stream timestamps");
}
if (job->inline_parameter_sets)
{
hb_log(" + optimized for adaptive streaming (inline parameter sets)");
}
if( job->chapter_markers )
{
hb_log( " + chapter markers" );
}
hb_log(" * video track");
#if HB_PROJECT_FEATURE_QSV
if (hb_qsv_decode_is_enabled(job))
{
hb_log(" + decoder: %s",
hb_qsv_decode_get_codec_name(title->video_codec_param));
}
else
#endif
{
hb_log(" + decoder: %s", title->video_codec_name);
}
if( title->video_bitrate )
{
hb_log( " + bitrate %d kbps", title->video_bitrate / 1000 );
}
// Filters can modify dimensions. So show them first.
if( hb_list_count( job->list_filter ) )
{
hb_log(" + %s", hb_list_count( job->list_filter) > 1 ? "filters" : "filter" );
for( i = 0; i < hb_list_count( job->list_filter ); i++ )
{
hb_filter_object_t * filter = hb_list_item( job->list_filter, i );
if (filter->aliased && global_verbosity_level < 2)
{
continue;
}
char * settings = hb_filter_settings_string(filter->id,
filter->settings);
if (settings != NULL)
hb_log(" + %s (%s)", filter->name, settings);
else
hb_log(" + %s (default settings)", filter->name);
free(settings);
if (filter->info)
{
hb_filter_info_t * info;
info = filter->info(filter);
if (info != NULL &&
info->human_readable_desc != NULL &&
info->human_readable_desc[0] != 0)
{
char * line, * pos = NULL;
char * tmp = strdup(info->human_readable_desc);
for (line = strtok_r(tmp, "\n", &pos); line != NULL;
line = strtok_r(NULL, "\n", &pos))
{
hb_log(" + %s", line);
}
free(tmp);
}
hb_filter_info_close(&info);
}
}
}
hb_log( " + Output geometry" );
hb_log( " + storage dimensions: %d x %d", job->width, job->height );
hb_log( " + pixel aspect ratio: %d : %d", job->par.num, job->par.den );
hb_log( " + display dimensions: %d x %d",
job->width * job->par.num / job->par.den, job->height );
if( !job->indepth_scan )
{
/* Video encoder */
hb_log(" + encoder: %s",
hb_video_encoder_get_long_name(job->vcodec));
if (job->encoder_preset && *job->encoder_preset &&
hb_video_encoder_get_presets(job->vcodec) != NULL)
{
hb_log(" + preset: %s", job->encoder_preset);
}
if (job->encoder_tune && *job->encoder_tune)
{
switch (job->vcodec)
{
case HB_VCODEC_X264_8BIT:
case HB_VCODEC_X264_10BIT:
case HB_VCODEC_X265_8BIT:
case HB_VCODEC_X265_10BIT:
case HB_VCODEC_X265_12BIT:
case HB_VCODEC_X265_16BIT:
hb_log(" + tune: %s", job->encoder_tune);
default:
break;
}
}
if (job->encoder_options != NULL && *job->encoder_options &&
job->vcodec != HB_VCODEC_THEORA)
{
hb_log(" + options: %s", job->encoder_options);
}
if (job->encoder_profile && *job->encoder_profile)
{
switch (job->vcodec)
{
case HB_VCODEC_X264_8BIT:
case HB_VCODEC_X264_10BIT:
case HB_VCODEC_X265_8BIT:
case HB_VCODEC_X265_10BIT:
case HB_VCODEC_X265_12BIT:
case HB_VCODEC_X265_16BIT:
case HB_VCODEC_QSV_H264:
case HB_VCODEC_QSV_H265:
case HB_VCODEC_QSV_H265_10BIT:
case HB_VCODEC_FFMPEG_VCE_H264:
case HB_VCODEC_FFMPEG_VCE_H265:
case HB_VCODEC_FFMPEG_NVENC_H264:
case HB_VCODEC_FFMPEG_NVENC_H265:
case HB_VCODEC_FFMPEG_VT_H264:
case HB_VCODEC_FFMPEG_VT_H265:
hb_log(" + profile: %s", job->encoder_profile);
default:
break;
}
}
if (job->encoder_level && *job->encoder_level)
{
switch (job->vcodec)
{
case HB_VCODEC_X264_8BIT:
case HB_VCODEC_X264_10BIT:
case HB_VCODEC_X265_8BIT:
case HB_VCODEC_X265_10BIT:
case HB_VCODEC_X265_12BIT:
case HB_VCODEC_QSV_H264:
case HB_VCODEC_QSV_H265:
case HB_VCODEC_QSV_H265_10BIT:
case HB_VCODEC_FFMPEG_VCE_H264:
case HB_VCODEC_FFMPEG_VCE_H265:
case HB_VCODEC_FFMPEG_NVENC_H264:
case HB_VCODEC_FFMPEG_NVENC_H265:
case HB_VCODEC_FFMPEG_VT_H264:
// VT h.265 currently only supports auto level
// case HB_VCODEC_FFMPEG_VT_H265:
hb_log(" + level: %s", job->encoder_level);
default:
break;
}
}
if (job->vquality > HB_INVALID_VIDEO_QUALITY)
{
hb_log(" + quality: %.2f (%s)", job->vquality,
hb_video_quality_get_name(job->vcodec));
}
else
{
hb_log( " + bitrate: %d kbps, pass: %d", job->vbitrate, job->pass_id );
if(job->pass_id == HB_PASS_ENCODE_1ST && job->fastfirstpass == 1 &&
((job->vcodec & HB_VCODEC_X264_MASK) ||
(job->vcodec & HB_VCODEC_X265_MASK)))
{
hb_log( " + fast first pass" );
if (job->vcodec & HB_VCODEC_X264_MASK)
{
hb_log( " + options: ref=1:8x8dct=0:me=dia:trellis=0" );
hb_log( " analyse=i4x4 (if originally enabled, else analyse=none)" );
hb_log( " subq=2 (if originally greater than 2, else subq unchanged)" );
}
}
}
hb_log(" + color profile: %d-%d-%d",
job->color_prim, job->color_transfer, job->color_matrix);
}
if (job->indepth_scan)
{
hb_log( " * Foreign Audio Search: %s%s%s",
job->select_subtitle_config.dest == RENDERSUB ? "Render/Burn-in" : "Passthrough",
job->select_subtitle_config.force ? ", Forced Only" : "",
job->select_subtitle_config.default_track ? ", Default" : "" );
}
for( i = 0; i < hb_list_count( job->list_subtitle ); i++ )
{
subtitle = hb_list_item( job->list_subtitle, i );
if( subtitle )
{
if( job->indepth_scan )
{
hb_log( " + subtitle, %s (track %d, id 0x%x, %s)",
subtitle->lang, subtitle->track, subtitle->id,
subtitle->format == PICTURESUB ? "Picture" : "Text");
}
else if (subtitle->source == IMPORTSRT)
{
/* For SRT, print offset and charset too */
hb_log(" * subtitle track %d, %s (track %d, id 0x%x, Text) -> "
"%s%s, offset: %"PRId64", charset: %s",
subtitle->out_track, subtitle->lang, subtitle->track,
subtitle->id,
subtitle->config.dest == RENDERSUB ? "Render/Burn-in"
: "Passthrough",
subtitle->config.default_track ? ", Default" : "",
subtitle->config.offset, subtitle->config.src_codeset);
}
else if (subtitle->source == IMPORTSSA)
{
/* For SSA, print offset */
hb_log(" * subtitle track %d, %s (track %d, id 0x%x, Text) -> "
"%s%s, offset: %"PRId64,
subtitle->out_track, subtitle->lang, subtitle->track,
subtitle->id,
subtitle->config.dest == RENDERSUB ? "Render/Burn-in"
: "Passthrough",
subtitle->config.default_track ? ", Default" : "",
subtitle->config.offset);
}
else
{
hb_log(" * subtitle track %d, %s (track %d, id 0x%x, %s) -> "
"%s%s%s",
subtitle->out_track, subtitle->lang, subtitle->track,
subtitle->id,
subtitle->format == PICTURESUB ? "Picture" : "Text",
subtitle->config.dest == RENDERSUB ? "Render/Burn-in"
: "Passthrough",
subtitle->config.force ? ", Forced Only" : "",
subtitle->config.default_track ? ", Default" : "" );
}
if (subtitle->config.name )
{
hb_log(" + name: %s", subtitle->config.name);
}
}
}
if( !job->indepth_scan )
{
for( i = 0; i < hb_list_count( job->list_audio ); i++ )
{
audio = hb_list_item( job->list_audio, i );
hb_log( " * audio track %d", audio->config.out.track );
if( audio->config.out.name )
hb_log( " + name: %s", audio->config.out.name );
hb_log( " + decoder: %s (track %d, id 0x%x)", audio->config.lang.description, audio->config.in.track + 1, audio->id );
if (audio->config.in.bitrate >= 1000)
hb_log(" + bitrate: %d kbps, samplerate: %d Hz",
audio->config.in.bitrate / 1000,
audio->config.in.samplerate);
else
hb_log(" + samplerate: %d Hz",
audio->config.in.samplerate);
if( audio->config.out.codec & HB_ACODEC_PASS_FLAG )
{
hb_log(" + %s",
hb_audio_encoder_get_name(audio->config.out.codec));
}
else
{
hb_log(" + mixdown: %s",
hb_mixdown_get_name(audio->config.out.mixdown));
if( audio->config.out.normalize_mix_level != 0 )
{
hb_log( " + normalized mixing levels" );
}
if( audio->config.out.gain != 0.0 )
{
hb_log( " + gain: %.fdB", audio->config.out.gain );
}
if (audio->config.out.dynamic_range_compression > 0.0f &&
hb_audio_can_apply_drc(audio->config.in.codec,
audio->config.in.codec_param,
audio->config.out.codec))
{
hb_log( " + dynamic range compression: %f", audio->config.out.dynamic_range_compression );
}
if (hb_audio_dither_is_supported(audio->config.out.codec,
audio->config.in.sample_bit_depth))
{
hb_log(" + dither: %s",
hb_audio_dither_get_description(audio->config.out.dither_method));
}
hb_log(" + encoder: %s",
hb_audio_encoder_get_long_name(audio->config.out.codec));
if (audio->config.out.bitrate > 0)
{
hb_log(" + bitrate: %d kbps, samplerate: %d Hz",
audio->config.out.bitrate, audio->config.out.samplerate);
}
else if (audio->config.out.quality != HB_INVALID_AUDIO_QUALITY)
{
hb_log(" + quality: %.2f, samplerate: %d Hz",
audio->config.out.quality, audio->config.out.samplerate);
}
else if (audio->config.out.samplerate > 0)
{
hb_log(" + samplerate: %d Hz",
audio->config.out.samplerate);
}
if (audio->config.out.compression_level >= 0)
{
hb_log(" + compression level: %.2f",
audio->config.out.compression_level);
}
}
}
}
}
/* Corrects framerates when actual duration and frame count numbers are known. */
void correct_framerate( hb_interjob_t * interjob, hb_job_t * job )
{
if (interjob->total_time <= 0 || interjob->out_frame_count <= 0 ||
job->cfr == 1)
{
// Invalid or uninitialized frame statistics
// Or CFR output
return;
}
// compute actual output vrate from first pass
int64_t num, den;
num = interjob->out_frame_count * 90000LL;
den = interjob->total_time;
hb_limit_rational64(&num, &den, num, den, INT_MAX);
job->vrate.num = num;
job->vrate.den = den;
den = hb_video_framerate_get_close(&job->vrate, 2.);
if (den > 0)
{
int low, high, clock;
hb_video_framerate_get_limits(&low, &high, &clock);
job->vrate.num = clock;
job->vrate.den = den;
}
if (ABS(((double)job->orig_vrate.num / job->orig_vrate.den) -
((double) job->vrate.num / job->vrate.den)) > 0.05)
{
hb_log("work: correcting framerate, %d/%d -> %d/%d",
job->orig_vrate.num, job->orig_vrate.den,
job->vrate.num, job->vrate.den);
}
}
static void analyze_subtitle_scan( hb_job_t * job )
{
hb_subtitle_t *subtitle;
int subtitle_highest = 0;
int subtitle_lowest = 0;
int subtitle_lowest_id = 0;
int subtitle_forced_id = 0;
int subtitle_forced_hits = 0;
int subtitle_hit = 0;
int i;
// Before closing the title print out our subtitle stats if we need to
// find the highest and lowest.
for (i = 0; i < hb_list_count(job->list_subtitle); i++)
{
subtitle = hb_list_item(job->list_subtitle, i);
hb_log("Subtitle track %d (id 0x%x) '%s': %d hits (%d forced)",
subtitle->track, subtitle->id, subtitle->lang,
subtitle->hits, subtitle->forced_hits);
if (subtitle->hits == 0)
continue;
if (subtitle_highest < subtitle->hits)
{
subtitle_highest = subtitle->hits;
}
if (subtitle_lowest == 0 ||
subtitle_lowest > subtitle->hits)
{
subtitle_lowest = subtitle->hits;
subtitle_lowest_id = subtitle->id;
}
// pick the track with fewest forced hits
if (subtitle->forced_hits > 0 &&
(subtitle_forced_hits == 0 ||
subtitle_forced_hits > subtitle->forced_hits))
{
subtitle_forced_id = subtitle->id;
subtitle_forced_hits = subtitle->forced_hits;
}
}
if (subtitle_forced_id && job->select_subtitle_config.force)
{
// If there is a subtitle stream with forced subtitles and forced-only
// is set, then select it in preference to the lowest.
subtitle_hit = subtitle_forced_id;
hb_log("Found a subtitle candidate with id 0x%x (contains forced subs)",
subtitle_hit );
}
else if (subtitle_lowest > 0 && subtitle_lowest < subtitle_highest * 0.1)
{
// OK we have more than one, and the lowest is lower,
// but how much lower to qualify for turning it on by
// default?
//
// Let's say 10% as a default.
subtitle_hit = subtitle_lowest_id;
hb_log( "Found a subtitle candidate with id 0x%x", subtitle_hit );
}
else
{
hb_log( "No candidate detected during subtitle scan" );
}
for (i = 0; i < hb_list_count( job->list_subtitle ); i++)
{
subtitle = hb_list_item( job->list_subtitle, i );
if (subtitle->id == subtitle_hit)
{
hb_interjob_t *interjob = hb_interjob_get(job->h);
subtitle->config = job->select_subtitle_config;
// Remove from list since we are taking ownership
// of the subtitle.
hb_list_rem(job->list_subtitle, subtitle);
interjob->select_subtitle = subtitle;
break;
}
}
}
static int sanitize_subtitles( hb_job_t * job )
{
int i;
uint8_t one_burned = 0;
hb_interjob_t * interjob = hb_interjob_get(job->h);
hb_subtitle_t * subtitle;
if (job->indepth_scan)
{
// Subtitles are set by hb_add() during subtitle scan
return 0;
}
/* Look for the scanned subtitle in the existing subtitle list
* select_subtitle implies that we did a scan. */
if (interjob->select_subtitle != NULL)
{
/* Disable forced subtitles if we didn't find any in the scan, so that
* we display normal subtitles instead. */
if( interjob->select_subtitle->config.force &&
interjob->select_subtitle->forced_hits == 0 )
{
interjob->select_subtitle->config.force = 0;
}
for (i = 0; i < hb_list_count( job->list_subtitle );)
{
subtitle = hb_list_item(job->list_subtitle, i);
/* Remove the scanned subtitle from the list if
* it would result in:
* - an empty track (forced and no forced hits)
* - an identical, duplicate subtitle track:
* -> both (or neither) are forced
* -> subtitle is not forced but all its hits are forced */
if( ( interjob->select_subtitle->id == subtitle->id ) &&
( ( subtitle->config.force &&
interjob->select_subtitle->forced_hits == 0 ) ||
( subtitle->config.force == interjob->select_subtitle->config.force ) ||
( !subtitle->config.force &&
interjob->select_subtitle->hits == interjob->select_subtitle->forced_hits ) ) )
{
hb_list_rem( job->list_subtitle, subtitle );
free( subtitle );
continue;
}
/* Adjust output track number, in case we removed one.
* Output tracks sadly still need to be in sequential order.
* Note: out.track starts at 1, i starts at 0, and track 1 is
* interjob->select_subtitle */
subtitle->out_track = ++i + 1;
}
/* Add the subtitle that we found on the subtitle scan pass.
*
* Make sure it's the first subtitle in the list so that it becomes the
* first burned subtitle (explicitly or after sanitizing) - which should
* ensure that it doesn't get dropped. */
interjob->select_subtitle->out_track = 1;
if (job->pass_id == HB_PASS_ENCODE ||
job->pass_id == HB_PASS_ENCODE_2ND)
{
// final pass, interjob->select_subtitle is no longer needed
hb_list_insert(job->list_subtitle, 0, interjob->select_subtitle);
interjob->select_subtitle = NULL;
}
else
{
// this is not the final pass, so we need to copy it instead
hb_list_insert(job->list_subtitle, 0, hb_subtitle_copy(interjob->select_subtitle));
}
}
for (i = 0; i < hb_list_count(job->list_subtitle);)
{
subtitle = hb_list_item(job->list_subtitle, i);
if (subtitle->config.dest == RENDERSUB)
{
if (one_burned)
{
if (!hb_subtitle_can_pass(subtitle->source, job->mux))
{
hb_log( "More than one subtitle burn-in requested, dropping track %d.", i );
hb_list_rem(job->list_subtitle, subtitle);
free(subtitle);
continue;
}
else
{
hb_log("More than one subtitle burn-in requested. Changing track %d to soft subtitle.", i);
subtitle->config.dest = PASSTHRUSUB;
}
}
else if (!hb_subtitle_can_burn(subtitle->source))
{
hb_log("Subtitle burn-in requested and input track can not be rendered. Changing track %d to soft subtitle.", i);
subtitle->config.dest = PASSTHRUSUB;
}
else
{
one_burned = 1;
}
}
if (subtitle->config.dest == PASSTHRUSUB &&
!hb_subtitle_can_pass(subtitle->source, job->mux))
{
if (!one_burned)
{
hb_log("Subtitle pass-thru requested and input track is not compatible with container. Changing track %d to burned-in subtitle.", i);
subtitle->config.dest = RENDERSUB;
subtitle->config.default_track = 0;
one_burned = 1;
}
else
{
hb_log("Subtitle pass-thru requested and input track is not compatible with container. One track already burned, dropping track %d.", i);
hb_list_rem(job->list_subtitle, subtitle);
free(subtitle);
continue;
}
}
/* Adjust output track number, in case we removed one.
* Output tracks sadly still need to be in sequential order.
* Note: out.track starts at 1, i starts at 0 */
subtitle->out_track = ++i;
}
if (one_burned)
{
// Add subtitle rendering filter
// Note that if the filter is already in the filter chain, this
// has no effect. Note also that this means the front-end is
// not required to add the subtitle rendering filter since
// we will always try to do it here.
hb_filter_object_t *filter = hb_filter_init(HB_FILTER_RENDER_SUB);
hb_add_filter_dict(job, filter, NULL);
}
return 0;
}