]> git.sesse.net Git - vlc/blobdiff - modules/codec/spudec/parse.c
Changed subpicture_region_t->picture into a picture_t *
[vlc] / modules / codec / spudec / parse.c
index 4589a661ef5e2e664974d99d1cbc35cfd3b0f859..4e118e02b180af03793a7989899e57e3446f2d82 100644 (file)
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#include <vlc/vlc.h>
-#include <vlc/vout.h>
-#include <vlc/decoder.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_vout.h>
+#include <vlc_codec.h>
+#include <vlc_input.h>
 
 #include "spudec.h"
 
 /*****************************************************************************
  * Local prototypes.
  *****************************************************************************/
-static int  ParseControlSeq( decoder_t *, subpicture_t *, subpicture_data_t *);
-static int  ParseRLE       ( decoder_t *, subpicture_t *, subpicture_data_t *);
-static void Render         ( decoder_t *, subpicture_t *, subpicture_data_t *);
+typedef struct
+{
+    int i_width;
+    int i_height;
+    int i_x;
+    int i_y;
+} spu_properties_t;
+
+static int  ParseControlSeq( decoder_t *, subpicture_t *, subpicture_data_t *,
+                             spu_properties_t * );
+static int  ParseRLE       ( decoder_t *, subpicture_data_t *,
+                             const spu_properties_t * );
+static void Render         ( decoder_t *, subpicture_t *, subpicture_data_t *,
+                             const spu_properties_t * );
 
 /*****************************************************************************
  * AddNibble: read a nibble from a source packet and add it to our integer.
@@ -61,11 +77,12 @@ static inline unsigned int AddNibble( unsigned int i_code,
  * This function parses the SPU packet and, if valid, sends it to the
  * video output.
  *****************************************************************************/
-subpicture_t * E_(ParsePacket)( decoder_t *p_dec )
+subpicture_t * ParsePacket( decoder_t *p_dec )
 {
     decoder_sys_t *p_sys = p_dec->p_sys;
     subpicture_data_t *p_spu_data;
     subpicture_t *p_spu;
+    spu_properties_t spu_properties;
 
     /* Allocate the subpicture internal data. */
     p_spu = p_dec->pf_spu_buffer_new( p_dec );
@@ -77,8 +94,8 @@ subpicture_t * E_(ParsePacket)( decoder_t *p_dec )
      * this stupid interlacing stuff once. */
     p_spu_data = malloc( sizeof(subpicture_data_t) + 4 * p_sys->i_rle_size );
     p_spu_data->p_data = (uint8_t *)p_spu_data + sizeof(subpicture_data_t);
-    p_spu_data->b_palette = VLC_FALSE;
-    p_spu_data->b_auto_crop = VLC_FALSE;
+    p_spu_data->b_palette = false;
+    p_spu_data->b_auto_crop = false;
     p_spu_data->i_y_top_offset = 0;
     p_spu_data->i_y_bottom_offset = 0;
 
@@ -95,8 +112,10 @@ subpicture_t * E_(ParsePacket)( decoder_t *p_dec )
     p_spu->i_original_picture_height =
         p_dec->fmt_in.subs.spu.i_original_frame_height;
 
+    memset( &spu_properties, 0, sizeof(spu_properties) );
+
     /* Getting the control part */
-    if( ParseControlSeq( p_dec, p_spu, p_spu_data ) )
+    if( ParseControlSeq( p_dec, p_spu, p_spu_data, &spu_properties ) )
     {
         /* There was a parse error, delete the subpicture */
         p_dec->pf_spu_buffer_del( p_dec, p_spu );
@@ -104,7 +123,7 @@ subpicture_t * E_(ParsePacket)( decoder_t *p_dec )
     }
 
     /* We try to display it */
-    if( ParseRLE( p_dec, p_spu, p_spu_data ) )
+    if( ParseRLE( p_dec, p_spu_data, &spu_properties ) )
     {
         /* There was a parse error, delete the subpicture */
         p_dec->pf_spu_buffer_del( p_dec, p_spu );
@@ -117,7 +136,7 @@ subpicture_t * E_(ParsePacket)( decoder_t *p_dec )
              p_spu_data->pi_offset[0], p_spu_data->pi_offset[1] );
 #endif
 
-    Render( p_dec, p_spu, p_spu_data );
+    Render( p_dec, p_spu, p_spu_data, &spu_properties );
     free( p_spu_data );
 
     return p_spu;
@@ -131,7 +150,7 @@ subpicture_t * E_(ParsePacket)( decoder_t *p_dec )
  * subtitles format, see http://sam.zoy.org/doc/dvd/subtitles/index.html
  *****************************************************************************/
 static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
-                            subpicture_data_t *p_spu_data )
+                            subpicture_data_t *p_spu_data, spu_properties_t *p_spu_properties )
 {
     decoder_sys_t *p_sys = p_dec->p_sys;
 
@@ -145,11 +164,12 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
     uint8_t i_command = SPU_CMD_END;
     mtime_t date = 0;
 
-    unsigned int i, pi_alpha[4];
+    if( !p_spu || !p_spu_data )
+        return VLC_EGENERIC;
 
     /* Initialize the structure */
     p_spu->i_start = p_spu->i_stop = 0;
-    p_spu->b_ephemer = VLC_FALSE;
+    p_spu->b_ephemer = false;
 
     for( i_index = 4 + p_sys->i_rle_size; i_index < p_sys->i_spu_size ; )
     {
@@ -165,9 +185,8 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
 
             /* Get the control sequence date */
             date = (mtime_t)GetWBE( &p_sys->buffer[i_index] ) * 11000;
-            /* FIXME How to access i_rate
-                    * p_spudec->bit_stream.p_pes->i_rate / DEFAULT_RATE;
-            */
+            if( p_sys->i_rate )
+                date = date * p_sys->i_rate / INPUT_RATE_DEFAULT;
 
             /* Next offset */
             i_cur_seq = i_index;
@@ -189,7 +208,7 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
         {
         case SPU_CMD_FORCE_DISPLAY: /* 00 (force displaying) */
             p_spu->i_start = p_spu_data->i_pts + date;
-            p_spu->b_ephemer = VLC_TRUE;
+            p_spu->b_ephemer = true;
             i_index += 1;
             break;
 
@@ -205,7 +224,6 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
             break;
 
         case SPU_CMD_SET_PALETTE:
-
             /* 03xxxx (palette) */
             if( i_index + 3 > p_sys->i_spu_size )
             {
@@ -216,8 +234,9 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
             if( p_dec->fmt_in.subs.spu.palette[0] == 0xBeeF )
             {
                 unsigned int idx[4];
+                int i;
 
-                p_spu_data->b_palette = VLC_TRUE;
+                p_spu_data->b_palette = true;
 
                 idx[0] = (p_sys->buffer[i_index+1]>>4)&0x0f;
                 idx[1] = (p_sys->buffer[i_index+1])&0x0f;
@@ -260,19 +279,19 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
                 return VLC_EGENERIC;
             }
 
-            p_spu->i_x = (p_sys->buffer[i_index+1]<<4)|
+            p_spu_properties->i_x = (p_sys->buffer[i_index+1]<<4)|
                          ((p_sys->buffer[i_index+2]>>4)&0x0f);
-            p_spu->i_width = (((p_sys->buffer[i_index+2]&0x0f)<<8)|
-                              p_sys->buffer[i_index+3]) - p_spu->i_x + 1;
+            p_spu_properties->i_width = (((p_sys->buffer[i_index+2]&0x0f)<<8)|
+                              p_sys->buffer[i_index+3]) - p_spu_properties->i_x + 1;
 
-            p_spu->i_y = (p_sys->buffer[i_index+4]<<4)|
+            p_spu_properties->i_y = (p_sys->buffer[i_index+4]<<4)|
                          ((p_sys->buffer[i_index+5]>>4)&0x0f);
-            p_spu->i_height = (((p_sys->buffer[i_index+5]&0x0f)<<8)|
-                              p_sys->buffer[i_index+6]) - p_spu->i_y + 1;
+            p_spu_properties->i_height = (((p_sys->buffer[i_index+5]&0x0f)<<8)|
+                              p_sys->buffer[i_index+6]) - p_spu_properties->i_y + 1;
 
             /* Auto crop fullscreen subtitles */
-            if( p_spu->i_height > 250 )
-                p_spu_data->b_auto_crop = VLC_TRUE;
+            if( p_spu_properties->i_height > 250 )
+                p_spu_data->b_auto_crop = true;
 
             i_index += 7;
             break;
@@ -320,7 +339,7 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
         }
 
         /* We need to check for quit commands here */
-        if( p_dec->b_die )
+        if( !vlc_object_alive (p_dec) )
         {
             return VLC_EGENERIC;
         }
@@ -349,13 +368,14 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
     if( !p_spu->i_start )
     {
         msg_Err( p_dec, "no `start display' command" );
+        return VLC_EGENERIC;
     }
 
     if( p_spu->i_stop <= p_spu->i_start && !p_spu->b_ephemer )
     {
         /* This subtitle will live for 5 seconds or until the next subtitle */
         p_spu->i_stop = p_spu->i_start + (mtime_t)500 * 11000;
-        p_spu->b_ephemer = VLC_TRUE;
+        p_spu->b_ephemer = true;
     }
 
     /* Get rid of padding bytes */
@@ -379,16 +399,17 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
  * convenient structure for later decoding. For more information on the
  * subtitles format, see http://sam.zoy.org/doc/dvd/subtitles/index.html
  *****************************************************************************/
-static int ParseRLE( decoder_t *p_dec, subpicture_t * p_spu,
-                     subpicture_data_t *p_spu_data )
+static int ParseRLE( decoder_t *p_dec,
+                     subpicture_data_t *p_spu_data,
+                     const spu_properties_t *p_spu_properties )
 {
     decoder_sys_t *p_sys = p_dec->p_sys;
     uint8_t       *p_src = &p_sys->buffer[4];
 
     unsigned int i_code;
 
-    unsigned int i_width = p_spu->i_width;
-    unsigned int i_height = p_spu->i_height;
+    unsigned int i_width = p_spu_properties->i_width;
+    unsigned int i_height = p_spu_properties->i_height;
     unsigned int i_x, i_y;
 
     uint16_t *p_dest = (uint16_t *)p_spu_data->p_data;
@@ -399,7 +420,7 @@ static int ParseRLE( decoder_t *p_dec, subpicture_t * p_spu,
     unsigned int *pi_offset;
 
     /* Cropping */
-    vlc_bool_t b_empty_top = VLC_TRUE;
+    bool b_empty_top = true;
     unsigned int i_skipped_top = 0, i_skipped_bottom = 0;
     unsigned int i_transparent_code = 0;
  
@@ -479,7 +500,7 @@ static int ParseRLE( decoder_t *p_dec, subpicture_t * p_spu,
                     }
                     else
                     {
-                        p_spu_data->b_auto_crop = VLC_FALSE;
+                        p_spu_data->b_auto_crop = false;
                     }
                 }
 
@@ -504,7 +525,7 @@ static int ParseRLE( decoder_t *p_dec, subpicture_t * p_spu,
                     *p_dest++ = i_code;
 
                     /* Valid code means no blank line */
-                    b_empty_top = VLC_FALSE;
+                    b_empty_top = false;
                     i_skipped_bottom = 0;
                 }
             }
@@ -556,9 +577,10 @@ static int ParseRLE( decoder_t *p_dec, subpicture_t * p_spu,
     /* Crop if necessary */
     if( i_skipped_top || i_skipped_bottom )
     {
+#ifdef DEBUG_SPUDEC
         int i_y = p_spu->i_y + i_skipped_top;
         int i_height = p_spu->i_height - (i_skipped_top + i_skipped_bottom);
-
+#endif
         p_spu_data->i_y_top_offset = i_skipped_top;
         p_spu_data->i_y_bottom_offset = i_skipped_bottom;
 #ifdef DEBUG_SPUDEC
@@ -629,7 +651,8 @@ static int ParseRLE( decoder_t *p_dec, subpicture_t * p_spu,
 }
 
 static void Render( decoder_t *p_dec, subpicture_t *p_spu,
-                    subpicture_data_t *p_spu_data )
+                    subpicture_data_t *p_spu_data,
+                    const spu_properties_t *p_spu_properties )
 {
     uint8_t *p_p;
     int i_x, i_y, i_len, i_color, i_pitch;
@@ -640,8 +663,8 @@ static void Render( decoder_t *p_dec, subpicture_t *p_spu,
     memset( &fmt, 0, sizeof(video_format_t) );
     fmt.i_chroma = VLC_FOURCC('Y','U','V','P');
     fmt.i_aspect = 0; /* 0 means use aspect ratio of background video */
-    fmt.i_width = fmt.i_visible_width = p_spu->i_width;
-    fmt.i_height = fmt.i_visible_height = p_spu->i_height -
+    fmt.i_width = fmt.i_visible_width = p_spu_properties->i_width;
+    fmt.i_height = fmt.i_visible_height = p_spu_properties->i_height -
         p_spu_data->i_y_top_offset - p_spu_data->i_y_bottom_offset;
     fmt.i_x_offset = fmt.i_y_offset = 0;
     p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_dec), &fmt );
@@ -651,10 +674,10 @@ static void Render( decoder_t *p_dec, subpicture_t *p_spu,
         return;
     }
 
-    p_spu->p_region->i_x = 0;
-    p_spu->p_region->i_y = p_spu_data->i_y_top_offset;
-    p_p = p_spu->p_region->picture.p->p_pixels;
-    i_pitch = p_spu->p_region->picture.p->i_pitch;
+    p_spu->p_region->i_x = p_spu_properties->i_x;
+    p_spu->p_region->i_y = p_spu_properties->i_y + p_spu_data->i_y_top_offset;
+    p_p = p_spu->p_region->p_picture->p->p_pixels;
+    i_pitch = p_spu->p_region->p_picture->p->i_pitch;
 
     /* Build palette */
     fmt.p_palette->i_entries = 4;