* Optimisation du video_parser ; define VPAR_OPTIM_LEVEL dans config.h

  pour r�gler le temps de compilation ;
* virage d'un printf dans l'idct et d'une fonction inutile.

include/config.h

@@ -288,6 +288,10 @@
 /* Time to sleep when waiting for a buffer (from vout or the video fifo). */
 #define VPAR_OUTMEM_SLEEP               50000
 
+/* Optimization level, from 0 to 2 - 1 is generally a good compromise. Remember
+ * that raising this level dramatically lengthens the compilation time. */
+#define VPAR_OPTIM_LEVEL                1
+
 /* The following directives only apply if you define VDEC_SMP below. */
 
 /* Number of macroblock buffers available. It should be always greater than

include/vdec_idct.h

@@ -148,7 +148,6 @@ typedef void (*f_idct_t)( struct vdec_thread_s *, dctelem_t*, int );
 /*****************************************************************************
  * Prototypes
  *****************************************************************************/
-void vdec_DummyIDCT( struct vdec_thread_s *, dctelem_t*, int );
 void vdec_InitIDCT (struct vdec_thread_s * p_vdec);
 void vdec_SparseIDCT( struct vdec_thread_s *, dctelem_t*, int );
 void vdec_IDCT( struct vdec_thread_s *, dctelem_t*, int );

include/video_parser.h

@@ -150,6 +150,21 @@ void            vpar_DestroyThread      ( vpar_thread_t *p_vpar /*, int *pi_stat
 /* Dynamic thread settings */
 /* ?? */
 
+
+/*****************************************************************************
+ * NextStartCode : Find the next start code
+ *****************************************************************************/
+static __inline__ void NextStartCode( vpar_thread_t * p_vpar )
+{
+    /* Re-align the buffer on an 8-bit boundary */
+    RealignBits( &p_vpar->bit_stream );
+
+    while( ShowBits( &p_vpar->bit_stream, 24 ) != 0x01L && !p_vpar->b_die )
+    {
+        RemoveBits( &p_vpar->bit_stream, 8 );
+    }
+}
+
 /*****************************************************************************
  * LoadQuantizerScale
  *****************************************************************************

include/vpar_blocks.h

@@ -141,53 +141,17 @@ void vpar_InitPMBType( struct vpar_thread_s * p_vpar );
 void vpar_InitBMBType( struct vpar_thread_s * p_vpar );
 void vpar_InitCodedPattern( struct vpar_thread_s * p_vpar );
 void vpar_InitDCTTables( struct vpar_thread_s * p_vpar );
-void vpar_ParseMacroblockGENERIC( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );
-void vpar_ParseMacroblock2I420F0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );
-void vpar_ParseMacroblock2P420F0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );
+void vpar_PictureDataGENERIC( struct vpar_thread_s * p_vpar, int i_mb_base );
+#if (VPAR_OPTIM_LEVEL > 0)
+void vpar_PictureData2I420F0( struct vpar_thread_s * p_vpar, int i_mb_base );
+void vpar_PictureData2P420F0( struct vpar_thread_s * p_vpar, int i_mb_base );
+void vpar_PictureData2B420F0( struct vpar_thread_s * p_vpar, int i_mb_base );
+#endif
+#if (VPAR_OPTIM_LEVEL > 1)
+void vpar_PictureData2I420TZ( struct vpar_thread_s * p_vpar, int i_mb_base );
+void vpar_PictureData2P420TZ( struct vpar_thread_s * p_vpar, int i_mb_base );
+void vpar_PictureData2B420TZ( struct vpar_thread_s * p_vpar, int i_mb_base );
+void vpar_PictureData2I420BZ( struct vpar_thread_s * p_vpar, int i_mb_base );
+void vpar_PictureData2P420BZ( struct vpar_thread_s * p_vpar, int i_mb_base );
+void vpar_PictureData2B420BZ( struct vpar_thread_s * p_vpar, int i_mb_base );
+#endif
\ No newline at end of file
-void vpar_ParseMacroblock2B420F0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );
-void vpar_ParseMacroblock2I420T0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );
-void vpar_ParseMacroblock2P420T0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );
-void vpar_ParseMacroblock2B420T0( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );
-void vpar_ParseMacroblock2I420B1( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );
-void vpar_ParseMacroblock2P420B1( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );
-void vpar_ParseMacroblock2B420B1( struct vpar_thread_s* p_vpar, int * pi_mb_address,
-                                  int i_mb_previous, int i_mb_base,
-                                  boolean_t b_mpeg2, int i_coding_type,
-                                  int i_chroma_format, int i_structure,
-                                  boolean_t b_second_field );

include/vpar_headers.h

@@ -15,13 +15,6 @@
  *  "video_fifo.h"
  *****************************************************************************/
  
-/*****************************************************************************
- * Function pointers
- *****************************************************************************/
-struct vpar_thread_s;
-
-typedef void    (*f_slice_header_t)( struct vpar_thread_s*, int*, int, u32);
-
 /*****************************************************************************
  * quant_matrix_t : Quantization Matrix
  *****************************************************************************/
@@ -44,7 +37,6 @@ typedef struct sequence_s
     boolean_t           b_mpeg2;
     boolean_t           b_progressive;
     unsigned int        i_scalable_mode;
-    f_slice_header_t    pf_slice_header;
     quant_matrix_t      intra_quant, nonintra_quant;
     quant_matrix_t      chroma_intra_quant, chroma_nonintra_quant;
 
@@ -154,7 +146,6 @@ typedef struct slice_parsing_s
 #define BOTTOM_FIELD            2
 #define FRAME_STRUCTURE         3
 
-
 /*****************************************************************************
  * Prototypes
  *****************************************************************************/

src/video_decoder/vdec_idct.c

@@ -46,20 +46,12 @@
  * an MMX DCT in the future. */
 
 /*****************************************************************************
- * vdec_DummyIDCT : dummy function that does nothing
- *****************************************************************************/
-void vdec_DummyIDCT( vdec_thread_t * p_vdec, dctelem_t * p_block, 
-                     int i_idontcare )
-{
-}
-
-/*****************************************************************************
- * init_SparseIDCT : initialize datas for vdec_SparceIDCT
+ * vdec_InitIDCT : initialize datas for vdec_SparceIDCT
  * vdec_SparseIDCT : IDCT function for sparse matrices
  *****************************************************************************/
 
 void vdec_InitIDCT (vdec_thread_t * p_vdec) 
-{	  
+{
     int i;
     
     dctelem_t * p_pre = p_vdec->p_pre_idct;
@@ -86,7 +78,7 @@ void vdec_SparseIDCT (vdec_thread_t * p_vdec, dctelem_t * p_block,
     /* If DC Coefficient. */
     if ( i_sparse_pos == 0 ) 
     {
-	    dp=(int *)p_block;
+        dp=(int *)p_block;
         val=RIGHT_SHIFT((*p_block + 4), 3);
         /* Compute int to assign.  This speeds things up a bit */
         v = ((val & 0xffff) | (val << 16));
@@ -372,7 +364,6 @@ void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block, int i_idontcare )
 
     dataptr = p_block;
 
-    fprintf( stderr, "normal dct" );
     for (rowctr = DCTSIZE-1; rowctr >= 0; rowctr--) 
     {
         /* Due to quantization, we will usually find that many of the input