diff options
Diffstat (limited to 'libhb/hb.c')
-rw-r--r-- | libhb/hb.c | 806 |
1 files changed, 806 insertions, 0 deletions
diff --git a/libhb/hb.c b/libhb/hb.c new file mode 100644 index 000000000..c1748e8b5 --- /dev/null +++ b/libhb/hb.c @@ -0,0 +1,806 @@ +#include "hb.h" + +#include "ffmpeg/avcodec.h" + +struct hb_handle_s +{ + /* The "Check for update" thread */ + int build; + char version[16]; + hb_thread_t * update_thread; + + /* This thread's only purpose is to check other threads' + states */ + volatile int die; + hb_thread_t * main_thread; + int pid; + + /* DVD/file scan thread */ + hb_list_t * list_title; + hb_thread_t * scan_thread; + + /* The thread which processes the jobs. Others threads are launched + from this one (see work.c) */ + hb_list_t * jobs; + int job_count; + volatile int work_die; + int work_error; + hb_thread_t * work_thread; + + int cpu_count; + + hb_lock_t * state_lock; + hb_state_t state; + + int paused; + hb_lock_t * pause_lock; +}; + +hb_work_object_t * hb_objects = NULL; + +static void thread_func( void * ); + +/** + * Registers work objects, by adding the work object to a liked list. + * @param w Handle to hb_work_object_t to register. + */ +void hb_register( hb_work_object_t * w ) +{ + w->next = hb_objects; + hb_objects = w; +} + +/** + * libhb initialization routine. + * @param verbose HB_DEBUG_NONE or HB_DEBUG_ALL. + * @param update_check signals libhb to check for updated version from HandBrake website. + * @return Handle to hb_handle_t for use on all subsequent calls to libhb. + */ +hb_handle_t * hb_init_real( int verbose, int update_check ) +{ + hb_handle_t * h = calloc( sizeof( hb_handle_t ), 1 ); + uint64_t date; + + /* See hb_log() in common.c */ + if( verbose > HB_DEBUG_NONE ) + { + putenv( "HB_DEBUG=1" ); + av_log_set_level(AV_LOG_DEBUG); + } + + /* Check for an update on the website if asked to */ + h->build = -1; + + if( update_check ) + { + hb_log( "hb_init: checking for updates" ); + date = hb_get_date(); + h->update_thread = hb_update_init( &h->build, h->version ); + + for( ;; ) + { + if( hb_thread_has_exited( h->update_thread ) ) + { + /* Immediate success or failure */ + hb_thread_close( &h->update_thread ); + break; + } + if( hb_get_date() > date + 1000 ) + { + /* Still nothing after one second. Connection problem, + let the thread die */ + hb_log( "hb_init: connection problem, not waiting for " + "update_thread" ); + break; + } + hb_snooze( 500 ); + } + } + + /* CPU count detection */ + hb_log( "hb_init: checking cpu count" ); + h->cpu_count = hb_get_cpu_count(); + + h->list_title = hb_list_init(); + h->jobs = hb_list_init(); + + h->state_lock = hb_lock_init(); + h->state.state = HB_STATE_IDLE; + + h->pause_lock = hb_lock_init(); + + /* libavcodec */ + avcodec_init(); + register_avcodec( &mpeg4_encoder ); + register_avcodec( &mp2_decoder ); + register_avcodec( &ac3_encoder ); + + /* Start library thread */ + hb_log( "hb_init: starting libhb thread" ); + h->die = 0; + h->main_thread = hb_thread_init( "libhb", thread_func, h, + HB_NORMAL_PRIORITY ); + + return h; +} + +/** + * libhb initialization routine. + * This version is to use when calling the dylib, the macro hb_init isn't available from a dylib call! + * @param verbose HB_DEBUG_NONE or HB_DEBUG_ALL. + * @param update_check signals libhb to check for updated version from HandBrake website. + * @return Handle to hb_handle_t for use on all subsequent calls to libhb. + */ +hb_handle_t * hb_init_dl( int verbose, int update_check ) +{ + hb_handle_t * h = calloc( sizeof( hb_handle_t ), 1 ); + uint64_t date; + + /* See hb_log() in common.c */ + if( verbose > HB_DEBUG_NONE ) + { + putenv( "HB_DEBUG=1" ); + av_log_set_level(AV_LOG_DEBUG); + } + + /* Check for an update on the website if asked to */ + h->build = -1; + + if( update_check ) + { + hb_log( "hb_init: checking for updates" ); + date = hb_get_date(); + h->update_thread = hb_update_init( &h->build, h->version ); + + for( ;; ) + { + if( hb_thread_has_exited( h->update_thread ) ) + { + /* Immediate success or failure */ + hb_thread_close( &h->update_thread ); + break; + } + if( hb_get_date() > date + 1000 ) + { + /* Still nothing after one second. Connection problem, + let the thread die */ + hb_log( "hb_init: connection problem, not waiting for " + "update_thread" ); + break; + } + hb_snooze( 500 ); + } + } + + /* CPU count detection */ + hb_log( "hb_init: checking cpu count" ); + h->cpu_count = hb_get_cpu_count(); + + h->list_title = hb_list_init(); + h->jobs = hb_list_init(); + + h->state_lock = hb_lock_init(); + h->state.state = HB_STATE_IDLE; + + h->pause_lock = hb_lock_init(); + + /* libavcodec */ + avcodec_init(); + register_avcodec( &mpeg4_encoder ); + register_avcodec( &mp2_decoder ); + register_avcodec( &ac3_encoder ); + + /* Start library thread */ + hb_log( "hb_init: starting libhb thread" ); + h->die = 0; + h->main_thread = hb_thread_init( "libhb", thread_func, h, + HB_NORMAL_PRIORITY ); + + hb_register( &hb_sync ); + hb_register( &hb_decmpeg2 ); + hb_register( &hb_decsub ); + hb_register( &hb_render ); + hb_register( &hb_encavcodec ); + hb_register( &hb_encxvid ); + hb_register( &hb_encx264 ); + hb_register( &hb_deca52 ); + hb_register( &hb_decavcodec ); + hb_register( &hb_declpcm ); + hb_register( &hb_encfaac ); + hb_register( &hb_enclame ); + hb_register( &hb_encvorbis ); + + return h; +} + + +/** + * Returns current version of libhb. + * @param h Handle to hb_handle_t. + * @return character array of version number. + */ +char * hb_get_version( hb_handle_t * h ) +{ + return HB_VERSION; +} + +/** + * Returns current build of libhb. + * @param h Handle to hb_handle_t. + * @return character array of build number. + */ +int hb_get_build( hb_handle_t * h ) +{ + return HB_BUILD; +} + +/** + * Checks for needed update. + * @param h Handle to hb_handle_t. + * @param version Pointer to handle where version will be copied. + * @return update indicator. + */ +int hb_check_update( hb_handle_t * h, char ** version ) +{ + *version = ( h->build < 0 ) ? NULL : h->version; + return h->build; +} + +/** + * Sets the cpu count to the desired value. + * @param h Handle to hb_handle_t + * @param cpu_count Number of CPUs to use. + */ +void hb_set_cpu_count( hb_handle_t * h, int cpu_count ) +{ + cpu_count = MAX( 1, cpu_count ); + cpu_count = MIN( cpu_count, 8 ); + h->cpu_count = cpu_count; +} + +/** + * Initializes a scan of the by calling hb_scan_init + * @param h Handle to hb_handle_t + * @param path location of VIDEO_TS folder. + * @param title_index Desired title to scan. 0 for all titles. + */ +void hb_scan( hb_handle_t * h, const char * path, int title_index ) +{ + hb_title_t * title; + + /* Clean up from previous scan */ + while( ( title = hb_list_item( h->list_title, 0 ) ) ) + { + hb_list_rem( h->list_title, title ); + hb_title_close( &title ); + } + + hb_log( "hb_scan: path=%s, title_index=%d", path, title_index ); + h->scan_thread = hb_scan_init( h, path, title_index, h->list_title ); +} + +/** + * Returns the list of titles found. + * @param h Handle to hb_handle_t + * @return Handle to hb_list_t of the title list. + */ +hb_list_t * hb_get_titles( hb_handle_t * h ) +{ + return h->list_title; +} + +/** + * Create preview image of desired title a index of picture. + * @param h Handle to hb_handle_t. + * @param title Handle to hb_title_t of desired title. + * @param picture Index in title. + * @param buffer Handle to buufer were inage will be drawn. + */ +void hb_get_preview( hb_handle_t * h, hb_title_t * title, int picture, + uint8_t * buffer ) +{ + hb_job_t * job = title->job; + char filename[1024]; + FILE * file; + uint8_t * buf1, * buf2, * buf3, * buf4, * pen; + uint32_t * p32; + AVPicture pic1, pic2, pic3, pic4; + ImgReSampleContext * context; + int i; + + buf1 = malloc( title->width * title->height * 3 / 2 ); + buf2 = malloc( title->width * title->height * 3 / 2 ); + buf3 = malloc( title->width * title->height * 3 / 2 ); + buf4 = malloc( title->width * title->height * 4 ); + avpicture_fill( &pic1, buf1, PIX_FMT_YUV420P, + title->width, title->height ); + avpicture_fill( &pic2, buf2, PIX_FMT_YUV420P, + title->width, title->height ); + avpicture_fill( &pic3, buf3, PIX_FMT_YUV420P, + job->width, job->height ); + avpicture_fill( &pic4, buf4, PIX_FMT_RGBA32, + job->width, job->height ); + + memset( filename, 0, 1024 ); + + hb_get_tempory_filename( h, filename, "%x%d", + (int) title, picture ); + + file = fopen( filename, "r" ); + if( !file ) + { + hb_log( "hb_get_preview: fopen failed" ); + return; + } + + fread( buf1, title->width * title->height * 3 / 2, 1, file ); + fclose( file ); + + context = img_resample_full_init( + job->width, job->height, title->width, title->height, + job->crop[0], job->crop[1], job->crop[2], job->crop[3], + 0, 0, 0, 0 ); + + if( job->deinterlace ) + { + avpicture_deinterlace( &pic2, &pic1, PIX_FMT_YUV420P, + title->width, title->height ); + img_resample( context, &pic3, &pic2 ); + } + else + { + img_resample( context, &pic3, &pic1 ); + } + img_convert( &pic4, PIX_FMT_RGBA32, &pic3, PIX_FMT_YUV420P, + job->width, job->height ); + + /* Gray background */ + p32 = (uint32_t *) buffer; + for( i = 0; i < ( title->width + 2 ) * ( title->height + 2 ); i++ ) + { + p32[i] = 0xFF808080; + } + + /* Draw the picture, centered, and draw the cropping zone */ + pen = buffer + ( title->height - job->height ) * + ( title->width + 2 ) * 2 + ( title->width - job->width ) * 2; + memset( pen, 0xFF, 4 * ( job->width + 2 ) ); + pen += 4 * ( title->width + 2 ); + for( i = 0; i < job->height; i++ ) + { + uint8_t * nextLine; + nextLine = pen + 4 * ( title->width + 2 ); + memset( pen, 0xFF, 4 ); + pen += 4; + memcpy( pen, buf4 + 4 * job->width * i, 4 * job->width ); + pen += 4 * job->width; + memset( pen, 0xFF, 4 ); + pen = nextLine; + } + memset( pen, 0xFF, 4 * ( job->width + 2 ) ); + + free( buf1 ); + free( buf2 ); + free( buf3 ); + free( buf4 ); +} + +/** + * Calculates job width, height, and cropping parameters. + * @param job Handle to hb_job_t. + * @param aspect Desired aspect ratio. Value of -1 uses title aspect. + * @param pixels Maximum desired pixel count. + */ +void hb_set_size( hb_job_t * job, int aspect, int pixels ) +{ + hb_title_t * title = job->title; + + int croppedWidth = title->width - title->crop[2] - title->crop[3]; + int croppedHeight = title->height - title->crop[0] - title->crop[1]; + int croppedAspect = title->aspect * title->height * croppedWidth / + croppedHeight / title->width; + int addCrop; + int i, w, h; + + if( aspect <= 0 ) + { + /* Keep the best possible aspect ratio */ + aspect = croppedAspect; + } + + /* Crop if necessary to obtain the desired ratio */ + memcpy( job->crop, title->crop, 4 * sizeof( int ) ); + if( aspect < croppedAspect ) + { + /* Need to crop on the left and right */ + addCrop = croppedWidth - aspect * croppedHeight * title->width / + title->aspect / title->height; + if( addCrop & 3 ) + { + addCrop = ( addCrop + 1 ) / 2; + job->crop[2] += addCrop; + job->crop[3] += addCrop; + } + else if( addCrop & 2 ) + { + addCrop /= 2; + job->crop[2] += addCrop - 1; + job->crop[3] += addCrop + 1; + } + else + { + addCrop /= 2; + job->crop[2] += addCrop; + job->crop[3] += addCrop; + } + } + else if( aspect > croppedAspect ) + { + /* Need to crop on the top and bottom */ + addCrop = croppedHeight - croppedWidth * title->aspect * + title->height / aspect / title->width; + if( addCrop & 3 ) + { + addCrop = ( addCrop + 1 ) / 2; + job->crop[0] += addCrop; + job->crop[1] += addCrop; + } + else if( addCrop & 2 ) + { + addCrop /= 2; + job->crop[0] += addCrop - 1; + job->crop[1] += addCrop + 1; + } + else + { + addCrop /= 2; + job->crop[0] += addCrop; + job->crop[1] += addCrop; + } + } + + /* Compute a resolution from the number of pixels and aspect */ + for( i = 0;; i++ ) + { + w = 16 * i; + h = MULTIPLE_16( w * HB_ASPECT_BASE / aspect ); + if( w * h > pixels ) + { + break; + } + } + i--; + job->width = 16 * i; + job->height = MULTIPLE_16( 16 * i * HB_ASPECT_BASE / aspect ); +} + +/** + * Returns the number of jobs in the queue. + * @param h Handle to hb_handle_t. + * @return Number of jobs. + */ +int hb_count( hb_handle_t * h ) +{ + return hb_list_count( h->jobs ); +} + +/** + * Returns handle to job at index i within the job list. + * @param h Handle to hb_handle_t. + * @param i Index of job. + * @returns Handle to hb_job_t of desired job. + */ +hb_job_t * hb_job( hb_handle_t * h, int i ) +{ + return hb_list_item( h->jobs, i ); +} + +/** + * Adds a job to the job list. + * @param h Handle to hb_handle_t. + * @param job Handle to hb_job_t. + */ +void hb_add( hb_handle_t * h, hb_job_t * job ) +{ + hb_job_t * job_copy; + hb_title_t * title, * title_copy; + hb_chapter_t * chapter, * chapter_copy; + hb_audio_t * audio, * audio_copy; + hb_subtitle_t * subtitle, * subtitle_copy; + int i; + + /* Copy the title */ + title = job->title; + title_copy = malloc( sizeof( hb_title_t ) ); + memcpy( title_copy, title, sizeof( hb_title_t ) ); + + title_copy->list_chapter = hb_list_init(); + for( i = 0; i < hb_list_count( title->list_chapter ); i++ ) + { + chapter = hb_list_item( title->list_chapter, i ); + chapter_copy = malloc( sizeof( hb_chapter_t ) ); + memcpy( chapter_copy, chapter, sizeof( hb_chapter_t ) ); + hb_list_add( title_copy->list_chapter, chapter_copy ); + } + + /* Copy the audio track(s) we want */ + title_copy->list_audio = hb_list_init(); + + /* Do nothing about audio during first pass */ + if( job->pass != 1 ) + { + for( i = 0; i < 8; i++ ) + { + if( job->audios[i] < 0 ) + { + break; + } + if( ( audio = hb_list_item( title->list_audio, job->audios[i] ) ) ) + { + audio_copy = malloc( sizeof( hb_audio_t ) ); + memcpy( audio_copy, audio, sizeof( hb_audio_t ) ); + hb_list_add( title_copy->list_audio, audio_copy ); + } + } + } + + /* Copy the subtitle we want (or not) */ + title_copy->list_subtitle = hb_list_init(); + if( ( subtitle = hb_list_item( title->list_subtitle, job->subtitle ) ) ) + { + subtitle_copy = malloc( sizeof( hb_subtitle_t ) ); + memcpy( subtitle_copy, subtitle, sizeof( hb_subtitle_t ) ); + hb_list_add( title_copy->list_subtitle, subtitle_copy ); + } + + /* Copy the job */ + job_copy = calloc( sizeof( hb_job_t ), 1 ); + memcpy( job_copy, job, sizeof( hb_job_t ) ); + job_copy->title = title_copy; + job_copy->file = strdup( job->file ); + job_copy->h = h; + job_copy->pause = h->pause_lock; + + /* Add the job to the list */ + hb_list_add( h->jobs, job_copy ); +} + +/** + * Removes a job from the job list. + * @param h Handle to hb_handle_t. + * @param job Handle to hb_job_t. + */ +void hb_rem( hb_handle_t * h, hb_job_t * job ) +{ + hb_list_rem( h->jobs, job ); + + /* XXX free everything XXX */ +} + +/** + * Starts the conversion process. + * Sets state to HB_STATE_WORKING. + * calls hb_work_init, to launch work thread. Stores handle to work thread. + * @param h Handle to hb_handle_t. + */ +void hb_start( hb_handle_t * h ) +{ + /* XXX Hack */ + h->job_count = hb_list_count( h->jobs ); + + hb_lock( h->state_lock ); + h->state.state = HB_STATE_WORKING; +#define p h->state.param.working + p.progress = 0.0; + p.job_cur = 1; + p.job_count = h->job_count; + p.rate_cur = 0.0; + p.rate_avg = 0.0; + p.hours = -1; + p.minutes = -1; + p.seconds = -1; +#undef p + hb_unlock( h->state_lock ); + + h->paused = 0; + + h->work_die = 0; + h->work_thread = hb_work_init( h->jobs, h->cpu_count, + &h->work_die, &h->work_error ); +} + +/** + * Pauses the conversion process. + * @param h Handle to hb_handle_t. + */ +void hb_pause( hb_handle_t * h ) +{ + if( !h->paused ) + { + hb_lock( h->pause_lock ); + h->paused = 1; + + hb_lock( h->state_lock ); + h->state.state = HB_STATE_PAUSED; + hb_unlock( h->state_lock ); + } +} + +/** + * Resumes the conversion process. + * @param h Handle to hb_handle_t. + */ +void hb_resume( hb_handle_t * h ) +{ + if( h->paused ) + { + hb_unlock( h->pause_lock ); + h->paused = 0; + } +} + +/** + * Stops the conversion process. + * @param h Handle to hb_handle_t. + */ +void hb_stop( hb_handle_t * h ) +{ + h->work_die = 1; + + hb_resume( h ); +} + +/** + * Returns the state of the conversion process. + * @param h Handle to hb_handle_t. + * @param s Handle to hb_state_t which to copy the state data. + */ +void hb_get_state( hb_handle_t * h, hb_state_t * s ) +{ + hb_lock( h->state_lock ); + + memcpy( s, &h->state, sizeof( hb_state_t ) ); + h->state.state = HB_STATE_IDLE; + + hb_unlock( h->state_lock ); +} + +/** + * Closes access to libhb by freeing the hb_handle_t handle ontained in hb_init_real. + * @param _h Pointer to handle to hb_handle_t. + */ +void hb_close( hb_handle_t ** _h ) +{ + hb_handle_t * h = *_h; + hb_title_t * title; + + h->die = 1; + hb_thread_close( &h->main_thread ); + + while( ( title = hb_list_item( h->list_title, 0 ) ) ) + { + hb_list_rem( h->list_title, title ); + hb_title_close( &title ); + } + hb_list_close( &h->list_title ); + + hb_list_close( &h->jobs ); + hb_lock_close( &h->state_lock ); + hb_lock_close( &h->pause_lock ); + free( h ); + *_h = NULL; +} + +/** + * Monitors the state of the update, scan, and work threads. + * Sets scan done state when scan thread exits. + * Sets work done state when work thread exits. + * @param _h Handle to hb_handle_t + */ +static void thread_func( void * _h ) +{ + hb_handle_t * h = (hb_handle_t *) _h; + char dirname[1024]; + DIR * dir; + struct dirent * entry; + + h->pid = getpid(); + + /* Create folder for temporary files */ + memset( dirname, 0, 1024 ); + hb_get_tempory_directory( h, dirname ); + + hb_mkdir( dirname ); + + while( !h->die ) + { + /* In case the check_update thread hangs, it'll die sooner or + later. Then, we join it here */ + if( h->update_thread && + hb_thread_has_exited( h->update_thread ) ) + { + hb_thread_close( &h->update_thread ); + } + + /* Check if the scan thread is done */ + if( h->scan_thread && + hb_thread_has_exited( h->scan_thread ) ) + { + hb_thread_close( &h->scan_thread ); + + hb_log( "libhb: scan thread found %d valid title(s)", + hb_list_count( h->list_title ) ); + hb_lock( h->state_lock ); + h->state.state = HB_STATE_SCANDONE; + hb_unlock( h->state_lock ); + } + + /* Check if the work thread is done */ + if( h->work_thread && + hb_thread_has_exited( h->work_thread ) ) + { + hb_thread_close( &h->work_thread ); + + hb_log( "libhb: work result = %d", + h->work_error ); + hb_lock( h->state_lock ); + h->state.state = HB_STATE_WORKDONE; + h->state.param.workdone.error = h->work_error; + hb_unlock( h->state_lock ); + } + + hb_snooze( 50 ); + } + + if( h->work_thread ) + { + hb_stop( h ); + hb_thread_close( &h->work_thread ); + } + + /* Remove temp folder */ + dir = opendir( dirname ); + while( ( entry = readdir( dir ) ) ) + { + char filename[1024]; + if( entry->d_name[0] == '.' ) + { + continue; + } + memset( filename, 0, 1024 ); + snprintf( filename, 1023, "%s/%s", dirname, entry->d_name ); + unlink( filename ); + } + closedir( dir ); + rmdir( dirname ); +} + +/** + * Returns the PID. + * @param h Handle to hb_handle_t + */ +int hb_get_pid( hb_handle_t * h ) +{ + return h->pid; +} + +/** + * Sets the current state. + * @param h Handle to hb_handle_t + * @param s Handle to new hb_state_t + */ +void hb_set_state( hb_handle_t * h, hb_state_t * s ) +{ + hb_lock( h->pause_lock ); + hb_lock( h->state_lock ); + memcpy( &h->state, s, sizeof( hb_state_t ) ); + if( h->state.state == HB_STATE_WORKING ) + { + /* XXX Hack */ + h->state.param.working.job_cur = + h->job_count - hb_list_count( h->jobs ); + h->state.param.working.job_count = h->job_count; + } + hb_unlock( h->state_lock ); + hb_unlock( h->pause_lock ); +} |