diff options
Diffstat (limited to 'libhb')
| -rw-r--r-- | libhb/common.c | 115 | ||||
| -rw-r--r-- | libhb/common.h | 2 |
2 files changed, 0 insertions, 117 deletions
diff --git a/libhb/common.c b/libhb/common.c index b2581ec5e..731409e2b 100644 --- a/libhb/common.c +++ b/libhb/common.c @@ -562,121 +562,6 @@ void hb_fix_aspect( hb_job_t * job, int keep ) } /********************************************************************** - * hb_calc_bitrate - ********************************************************************** - * size: in megabytes - *********************************************************************/ -int hb_calc_bitrate( hb_job_t * job, int size ) -{ - int64_t avail = (int64_t) size * 1024 * 1024; - int64_t length; - int overhead; - int samples_per_frame; - int i; - - hb_title_t * title = job->title; - hb_chapter_t * chapter; - hb_audio_t * audio; - - /* How many overhead bytes are used for each frame - (quite guessed) */ - switch( job->mux ) - { - case HB_MUX_MP4: - case HB_MUX_MKV: - overhead = 6; - break; - default: - return 0; - } - - /* Get the duration in seconds */ - length = 0; - for( i = job->chapter_start; i <= job->chapter_end; i++ ) - { - chapter = hb_list_item( title->list_chapter, i - 1 ); - length += chapter->duration; - } - length += 135000; - length /= 90000; - - if( size == -1 ) - { - avail = job->vbitrate * 125 * length; - avail += length * job->vrate * overhead / job->vrate_base; - } - - /* Video overhead */ - avail -= length * job->vrate * overhead / job->vrate_base; - - if( size == -1 ) - { - goto ret; - } - - for( i = 0; i < hb_list_count(job->list_audio); i++ ) - { - /* Audio data */ - int abitrate; - audio = hb_list_item( job->list_audio, i); - - /* How many audio samples we put in each frame */ - switch( audio->config.out.codec ) - { - case HB_ACODEC_FAAC: - case HB_ACODEC_CA_AAC: - case HB_ACODEC_VORBIS: - samples_per_frame = 1024; - break; - case HB_ACODEC_LAME: - samples_per_frame = 1152; - break; - case HB_ACODEC_AC3_PASS: - case HB_ACODEC_DCA_PASS: - case HB_ACODEC_AC3: - case HB_ACODEC_DCA: - samples_per_frame = 1536; - break; - case HB_ACODEC_CA_HAAC: - samples_per_frame = 2048; - break; - default: - return 0; - } - - if( audio->config.out.codec == HB_ACODEC_AC3_PASS || - audio->config.out.codec == HB_ACODEC_DCA_PASS) - { - /* - * For pass through we take the bitrate from the input audio - * bitrate as we are simply passing it through. - */ - abitrate = audio->config.in.bitrate / 8; - } - else - { - /* - * Where we are transcoding the audio we use the destination - * bitrate. - */ - abitrate = audio->config.out.bitrate * 1000 / 8; - } - avail -= length * abitrate; - - /* Audio overhead */ - avail -= length * audio->config.out.samplerate * overhead / samples_per_frame; - } - -ret: - if( avail < 0 ) - { - return 0; - } - - return ( avail / ( 125 * length ) ); -} - -/********************************************************************** * hb_list implementation ********************************************************************** * Basic and slow, but enough for what we need diff --git a/libhb/common.h b/libhb/common.h index 295ef9241..14af50d8a 100644 --- a/libhb/common.h +++ b/libhb/common.h @@ -99,8 +99,6 @@ void hb_limit_rational64( int64_t *x, int64_t *y, int64_t num, int64_t den, int6 #define HB_KEEP_HEIGHT 1 void hb_fix_aspect( hb_job_t * job, int keep ); -int hb_calc_bitrate( hb_job_t *, int size ); - hb_audio_t *hb_audio_copy(const hb_audio_t *src); void hb_audio_config_init(hb_audio_config_t * audiocfg); int hb_audio_add(const hb_job_t * job, const hb_audio_config_t * audiocfg); |