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Variable frame rate improvements.
[handbrake-jp/handbrake-jp-git.git] / libhb / hb.c
index 7b75e85..9f1b6be 100644 (file)
@@ -104,6 +104,11 @@ hb_handle_t * hb_init_real( int verbose, int update_check )
         }
     }
 
+    /*
+     * Initialise buffer pool
+     */
+    hb_buffer_pool_init();
+
     /* CPU count detection */
     hb_log( "hb_init: checking cpu count" );
     h->cpu_count = hb_get_cpu_count();
@@ -364,7 +369,7 @@ void hb_get_preview( hb_handle_t * h, hb_title_t * title, int picture,
                              title->height - (job->crop[0] + job->crop[1]),
                              PIX_FMT_YUV420P,
                              job->width, job->height, PIX_FMT_YUV420P,
-                             SWS_LANCZOS, NULL, NULL, NULL);
+                             (uint16_t)(SWS_LANCZOS|SWS_ACCURATE_RND), NULL, NULL, NULL);
 
     // Scale
     sws_scale(context,
@@ -378,7 +383,7 @@ void hb_get_preview( hb_handle_t * h, hb_title_t * title, int picture,
     // Get preview context
     context = sws_getContext(job->width, job->height, PIX_FMT_YUV420P,
                              job->width, job->height, PIX_FMT_RGBA32,
-                             SWS_LANCZOS, NULL, NULL, NULL);
+                             (uint16_t)(SWS_LANCZOS|SWS_ACCURATE_RND), NULL, NULL, NULL);
 
     // Create preview
     sws_scale(context,
@@ -422,6 +427,177 @@ void hb_get_preview( hb_handle_t * h, hb_title_t * title, int picture,
 }
 
 /**
+ * Calculates job width and height for anamorphic content,
+ *
+ * @param job Handle to hb_job_t
+ * @param output_width Pointer to returned storage width
+ * @param output_height Pointer to returned storage height
+ * @param output_par_width Pointer to returned pixel width
+ @ param output_par_height Pointer to returned pixel height
+ */
+void hb_set_anamorphic_size( hb_job_t * job,
+        int *output_width, int *output_height,
+        int *output_par_width, int *output_par_height )
+{
+    /* "Loose" anamorphic.
+        - Uses mod16-compliant dimensions,
+        - Allows users to set the width
+        - Handles ITU pixel aspects
+    */
+    
+    /* Set up some variables to make the math easier to follow. */
+    hb_title_t * title = job->title;
+    int cropped_width = title->width - job->crop[2] - job->crop[3] ;
+    int cropped_height = title->height - job->crop[0] - job->crop[1] ;
+    int storage_aspect = cropped_width * 10000 / cropped_height;        
+    int width = job->width;
+    int height; // Gets set later, ignore user value
+    int mod = job->modulus;
+    int aspect = title->aspect;
+
+    /* Gotta handle bounding dimensions differently
+       than for non-anamorphic encodes:
+       If the width is too big, just reset it with no rescaling.
+       Instead of using the aspect-scaled job height,
+       we need to see if the job width divided by the storage aspect
+       is bigger than the max. If so, set it to the max (this is sloppy).
+       If not, set job height to job width divided by storage aspect.
+    */
+    
+    if ( job->maxWidth && (job->maxWidth < job->width) )
+            width = job->maxWidth;
+    
+    if ( job->maxHeight && (job->maxHeight < (width / storage_aspect * 10000)) )
+    {
+        height = job->maxHeight;
+    }
+    else
+    {
+        height = width * 10000 / storage_aspect;
+    }
+        
+        
+    /* Time to get picture dimensions that divide cleanly.
+       These variables will store temporary dimensions as we iterate. */
+    int i, w, h;
+
+    /* In case the user specified a modulus, use it */
+    if (job->modulus)
+        mod = job->modulus;
+    else
+        mod = 16;
+        
+    /* Iterate through multiples of mod to find one close to job->width. */
+    for( i = 1;; i++ )
+    {
+        w = mod * i;
+        
+        if (w < width)
+        {
+            if ( ( width - w ) <= ( mod / 2 ) )
+                /* We'll take a width that's
+                   smaller, but close enough. */
+                break;
+        }
+        if (w == width)
+            /* Mod 16 dimensions, how nice! */
+            break;
+        if( w > width )
+        {
+            if ( ( w - width ) < (mod/2) )
+                /* We'll take a width that's bigger, if we have to. */
+                break;
+        }
+    }
+    width  = mod * (i);
+    
+    /* Now do the same for a mod-friendly value near job->height. */
+    for( i = 1;; i++)
+    {
+        h = i * mod;
+        
+        if (h < height)
+            {
+                if ( ( height - h ) <= ( mod / 2 ))
+                    /* Go with a smaller height,
+                       if it's close enough.    */
+                    break;
+            }
+        if (h == height)
+            /* Mod 16 dimensions, how nice! */
+            break;
+            
+        if ( h > height)
+        {
+            if ( ( h - height ) < ( mod / 2 ))
+                /* Use a taller height if necessary */
+                break;
+        }
+    }
+    height = mod  * (i);
+    
+    int pixel_aspect_width = job->pixel_aspect_width;
+    int pixel_aspect_height = job->pixel_aspect_height;
+    
+    if (cropped_width <= 706)
+    {
+        /* Handle ITU PARs */
+        if (title->height == 480)
+        {
+            /* It's NTSC */
+            if (aspect == 16)
+            {
+                /* It's widescreen */
+                pixel_aspect_width = 40;
+                pixel_aspect_height = 33;
+            }
+            else
+            {
+                /* It's 4:3 */
+                pixel_aspect_width = 10;
+                pixel_aspect_height = 11;
+            }
+        }
+        else if (title->height == 576)
+        {
+            /* It's PAL */
+            if(aspect == 16)
+            {
+                /* It's widescreen */
+                pixel_aspect_width = 16;
+                pixel_aspect_height = 11;
+            }
+            else
+            {
+                /* It's 4:3 */
+                pixel_aspect_width = 12;
+                pixel_aspect_height = 11;
+            }
+        }
+    }
+
+    /* Figure out what dimensions the source would display at. */
+    int source_display_width = cropped_width * ((float)pixel_aspect_width / (float)pixel_aspect_height) ;
+   
+    /* The film AR is the source's display width / cropped source height.
+       The output display width is the output height * film AR.
+       The output PAR is the output display width / output storage width. */
+    pixel_aspect_width = height * source_display_width / cropped_height;
+    pixel_aspect_height = width;
+    
+    /* While x264 is smart enough to reduce fractions on its own, libavcodec
+       needs some help with the math, so lose superfluous factors.            */
+    hb_reduce( &pixel_aspect_width, &pixel_aspect_height,
+               pixel_aspect_width, pixel_aspect_height );
+    
+    /* Pass the results back to the caller */
+    *output_width = width;
+    *output_height = height;
+    *output_par_width = pixel_aspect_width;
+    *output_par_height = pixel_aspect_height;
+}
+
+/**
  * 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.
@@ -607,7 +783,7 @@ void hb_add( hb_handle_t * h, hb_job_t * job )
      */
     memset( audio_lang, 0, sizeof( audio_lang ) );
 
-    if ( job->subtitle_scan || job->native_language ) {
+    if ( job->indepth_scan || job->native_language ) {
       
         /*
          * Find the first audio language that is being encoded
@@ -659,7 +835,7 @@ void hb_add( hb_handle_t * h, hb_job_t * job )
      * If doing a subtitle scan then add all the matching subtitles for this
      * language.
      */
-    if ( job->subtitle_scan ) 
+    if ( job->indepth_scan ) 
     {
         for( i=0; i < hb_list_count( title->list_subtitle ); i++ ) 
         {
@@ -759,8 +935,22 @@ void hb_add( hb_handle_t * h, hb_job_t * job )
         job_copy->filters = hb_list_init();        
         for( i = 0; i < filter_count; i++ )
         {
+            /*
+             * Copy the filters, since the MacGui reuses the global filter objects
+             * meaning that queued up jobs overwrite the previous filter settings.
+             * In reality, settings is probably the only field that needs duplicating
+             * since it's the only value that is ever changed. But name is duplicated
+             * as well for completeness. Not copying private_data since it gets
+             * created for each job in renderInit.
+             */
             hb_filter_object_t * filter = hb_list_item( job->filters, i );
-            hb_list_add( job_copy->filters, filter );
+            hb_filter_object_t * filter_copy = malloc( sizeof( hb_filter_object_t ) );
+            memcpy( filter_copy, filter, sizeof( hb_filter_object_t ) );
+            if( filter->name )
+                filter_copy->name = strdup( filter->name );
+            if( filter->settings )
+                filter_copy->settings = strdup( filter->settings );
+            hb_list_add( job_copy->filters, filter_copy );
         }        
     }
     
@@ -796,6 +986,7 @@ void hb_start( hb_handle_t * h )
 {
     /* XXX Hack */
     h->job_count = hb_list_count( h->jobs );
+    h->job_count_permanent = h->job_count;
 
     hb_lock( h->state_lock );
     h->state.state = HB_STATE_WORKING;
@@ -808,6 +999,7 @@ void hb_start( hb_handle_t * h )
     p.hours     = -1;
     p.minutes   = -1;
     p.seconds   = -1;
+    p.sequence_id = 0;
 #undef p
     hb_unlock( h->state_lock );
 
@@ -925,6 +1117,7 @@ void hb_close( hb_handle_t ** _h )
     hb_lock_close( &h->pause_lock );
     free( h );
     *_h = NULL;
+
 }
 
 /**
@@ -1046,6 +1239,12 @@ void hb_set_state( hb_handle_t * h, hb_state_t * s )
         h->state.param.working.job_cur =
             h->job_count_permanent - hb_list_count( h->jobs );
         h->state.param.working.job_count = h->job_count_permanent;
+        
+        // Set which job is being worked on
+        if (h->current_job)
+            h->state.param.working.sequence_id = h->current_job->sequence_id;
+        else
+            h->state.param.working.sequence_id = 0;
     }
     hb_unlock( h->state_lock );
     hb_unlock( h->pause_lock );