diff options
Diffstat (limited to 'libhb/deinterlace.c')
| -rw-r--r-- | libhb/deinterlace.c | 248 |
1 files changed, 225 insertions, 23 deletions
diff --git a/libhb/deinterlace.c b/libhb/deinterlace.c index 4cf3a2fe1..728363428 100644 --- a/libhb/deinterlace.c +++ b/libhb/deinterlace.c @@ -32,6 +32,13 @@ #define MIN3(a,b,c) MIN(MIN(a,b),c) #define MAX3(a,b,c) MAX(MAX(a,b),c) +typedef struct yadif_arguments_s { + uint8_t **dst; + int parity; + int tff; + int stop; +} yadif_arguments_t; + struct hb_filter_private_s { int pix_fmt; @@ -45,6 +52,13 @@ struct hb_filter_private_s uint8_t * yadif_ref[4][3]; int yadif_ref_stride[3]; + int cpu_count; + + hb_thread_t ** yadif_threads; // Threads for Yadif - one per CPU + hb_lock_t ** yadif_begin_lock; // Thread has work + hb_lock_t ** yadif_complete_lock; // Thread has completed work + yadif_arguments_t *yadif_arguments; // Arguments to thread for work + int mcdeint_mode; int mcdeint_qp; @@ -84,6 +98,7 @@ hb_filter_object_t hb_filter_deinterlace = hb_deinterlace_close, }; + static void yadif_store_ref( const uint8_t ** pic, hb_filter_private_t * pv ) { @@ -102,7 +117,6 @@ static void yadif_store_ref( const uint8_t ** pic, uint8_t * ref = pv->yadif_ref[2][i]; int w = pv->width[i]; - int h = pv->height[i]; int ref_stride = pv->yadif_ref_stride[i]; int y; @@ -185,38 +199,164 @@ static void yadif_filter_line( uint8_t *dst, } } -static void yadif_filter( uint8_t ** dst, - int parity, - int tff, - hb_filter_private_t * pv ) +typedef struct yadif_thread_arg_s { + hb_filter_private_t *pv; + int segment; +} yadif_thread_arg_t; + +/* + * deinterlace this segment of all three planes in a single thread. + */ +void yadif_filter_thread( void *thread_args_v ) { - int i; - for( i = 0; i < 3; i++ ) + yadif_arguments_t *yadif_work = NULL; + hb_filter_private_t * pv; + int run = 1; + int plane; + int segment, segment_start, segment_stop; + yadif_thread_arg_t *thread_args = thread_args_v; + uint8_t **dst; + int parity, tff, y, w, h, ref_stride; + + + pv = thread_args->pv; + segment = thread_args->segment; + + hb_log("Yadif Deinterlace thread started for segment %d", segment); + + while( run ) { - int w = pv->width[i]; - int h = pv->height[i]; - int ref_stride = pv->yadif_ref_stride[i]; + /* + * Wait here until there is work to do. hb_lock() blocks until + * render releases it to say that there is more work to do. + */ + hb_lock( pv->yadif_begin_lock[segment] ); - int y; - for( y = 0; y < h; y++ ) + yadif_work = &pv->yadif_arguments[segment]; + + if( yadif_work->stop ) + { + /* + * No more work to do, exit this thread. + */ + run = 0; + continue; + } + + if( yadif_work->dst == NULL ) + { + hb_error( "Thread started when no work available" ); + hb_snooze(500); + continue; + } + + /* + * Process all three planes, but only this segment of it. + */ + for( plane = 0; plane < 3; plane++) { - if( (y ^ parity) & 1 ) - { - uint8_t *prev = &pv->yadif_ref[0][i][y*ref_stride]; - uint8_t *cur = &pv->yadif_ref[1][i][y*ref_stride]; - uint8_t *next = &pv->yadif_ref[2][i][y*ref_stride]; - uint8_t *dst2 = &dst[i][y*w]; - yadif_filter_line( dst2, prev, cur, next, i, parity ^ tff, pv ); + dst = yadif_work->dst; + parity = yadif_work->parity; + tff = yadif_work->tff; + w = pv->width[plane]; + h = pv->height[plane]; + ref_stride = pv->yadif_ref_stride[plane]; + segment_start = ( h / pv->cpu_count ) * segment; + if( segment == pv->cpu_count - 1 ) + { + /* + * Final segment + */ + segment_stop = h; + } else { + segment_stop = ( h / pv->cpu_count ) * ( segment + 1 ); } - else + + for( y = segment_start; y < segment_stop; y++ ) { - memcpy( &dst[i][y*w], - &pv->yadif_ref[1][i][y*ref_stride], - w * sizeof(uint8_t) ); + if( (y ^ parity) & 1 ) + { + uint8_t *prev = &pv->yadif_ref[0][plane][y*ref_stride]; + uint8_t *cur = &pv->yadif_ref[1][plane][y*ref_stride]; + uint8_t *next = &pv->yadif_ref[2][plane][y*ref_stride]; + uint8_t *dst2 = &dst[plane][y*w]; + + yadif_filter_line( dst2, + prev, + cur, + next, + plane, + parity ^ tff, + pv ); + + } + else + { + memcpy( &dst[plane][y*w], + &pv->yadif_ref[1][plane][y*ref_stride], + w * sizeof(uint8_t) ); + } } } + /* + * Finished this segment, let everyone know. + */ + hb_unlock( pv->yadif_complete_lock[segment] ); + } + free( thread_args_v ); +} + + +/* + * threaded yadif - each thread deinterlaces a single segment of all + * three planes. Where a segment is defined as the frame divided by + * the number of CPUs. + * + * This function blocks until the frame is deinterlaced. + */ +static void yadif_filter( uint8_t ** dst, + int parity, + int tff, + hb_filter_private_t * pv ) +{ + + int segment; + + for( segment = 0; segment < pv->cpu_count; segment++ ) + { + /* + * Setup the work for this plane. + */ + pv->yadif_arguments[segment].parity = parity; + pv->yadif_arguments[segment].tff = tff; + pv->yadif_arguments[segment].dst = dst; + + /* + * Let the thread for this plane know that we've setup work + * for it by releasing the begin lock (ensuring that the + * complete lock is already locked so that we block when + * we try to lock it again below). + */ + hb_lock( pv->yadif_complete_lock[segment] ); + hb_unlock( pv->yadif_begin_lock[segment] ); + } + + /* + * Wait until all three threads have completed by trying to get + * the complete lock that we locked earlier for each thread, which + * will block until that thread has completed the work on that + * plane. + */ + for( segment = 0; segment < pv->cpu_count; segment++ ) + { + hb_lock( pv->yadif_complete_lock[segment] ); + hb_unlock( pv->yadif_complete_lock[segment] ); } + + /* + * Entire frame is now deinterlaced. + */ } static void mcdeint_filter( uint8_t ** dst, @@ -372,6 +512,8 @@ hb_filter_private_t * hb_deinterlace_init( int pix_fmt, &pv->mcdeint_qp ); } + pv->cpu_count = hb_get_cpu_count(); + /* Allocate yadif specific buffers */ if( pv->yadif_mode >= 0 ) { @@ -389,6 +531,45 @@ hb_filter_private_t * hb_deinterlace_init( int pix_fmt, pv->yadif_ref[j][i] = malloc( w*h*sizeof(uint8_t) ) + 3*w; } } + + /* + * Create yadif threads and locks. + */ + pv->yadif_threads = malloc( sizeof( hb_thread_t* ) * pv->cpu_count ); + pv->yadif_begin_lock = malloc( sizeof( hb_lock_t * ) * pv->cpu_count ); + pv->yadif_complete_lock = malloc( sizeof( hb_lock_t * ) * pv->cpu_count ); + pv->yadif_arguments = malloc( sizeof( yadif_arguments_t ) * pv->cpu_count ); + + for( i = 0; i < pv->cpu_count; i++ ) + { + yadif_thread_arg_t *thread_args; + + thread_args = malloc( sizeof( yadif_thread_arg_t ) ); + + if( thread_args ) { + thread_args->pv = pv; + thread_args->segment = i; + + pv->yadif_begin_lock[i] = hb_lock_init(); + pv->yadif_complete_lock[i] = hb_lock_init(); + + /* + * Important to start off with the threads locked waiting + * on input. + */ + hb_lock( pv->yadif_begin_lock[i] ); + + pv->yadif_arguments[i].stop = 0; + pv->yadif_arguments[i].dst = NULL; + + pv->yadif_threads[i] = hb_thread_init( "yadif_filter_segment", + yadif_filter_thread, + thread_args, + HB_NORMAL_PRIORITY ); + } else { + hb_error( "Yadif could not create threads" ); + } + } } /* Allocate mcdeint specific buffers */ @@ -478,6 +659,27 @@ void hb_deinterlace_close( hb_filter_private_t * pv ) *p = NULL; } } + + for( i = 0; i < pv->cpu_count; i++) + { + /* + * Tell each yadif thread to stop, and then cleanup. + */ + pv->yadif_arguments[i].stop = 1; + hb_unlock( pv->yadif_begin_lock[i] ); + + hb_thread_close( &pv->yadif_threads[i] ); + hb_lock_close( &pv->yadif_begin_lock[i] ); + hb_lock_close( &pv->yadif_complete_lock[i] ); + } + + /* + * free memory for yadif structs + */ + free( pv->yadif_threads ); + free( pv->yadif_begin_lock ); + free( pv->yadif_complete_lock ); + free( pv->yadif_arguments ); } /* Cleanup mcdeint specific buffers */ |