[FFmpeg-cvslog] r15806 - in trunk/libavcodec: dv.c dvdata.h

romansh subversion
Wed Nov 12 22:13:28 CET 2008


Author: romansh
Date: Wed Nov 12 22:13:28 2008
New Revision: 15806

Log:
Taking advantage of the new ->execute API


Modified:
   trunk/libavcodec/dv.c
   trunk/libavcodec/dvdata.h

Modified: trunk/libavcodec/dv.c
==============================================================================
--- trunk/libavcodec/dv.c	(original)
+++ trunk/libavcodec/dv.c	Wed Nov 12 22:13:28 2008
@@ -92,9 +92,9 @@ static inline int dv_work_pool_size(cons
 
 static int dv_init_dynamic_tables(const DVprofile *d)
 {
-    int j,i,c,s,p;
+    int j,i,c,s,p,k;
 
-    if (d->work_chunks[dv_work_pool_size(d)-1])
+    if (d->work_chunks[dv_work_pool_size(d)-1].buf_offset)
         return 0;
 
     p = i = 0;
@@ -105,7 +105,9 @@ static int dv_init_dynamic_tables(const 
                  p += !(j%3);
                  if (!(DV_PROFILE_IS_1080i50(d) && c != 0 && s == 11) &&
                      !(DV_PROFILE_IS_720p50(d) && s > 9)) {
-                     d->work_chunks[i++] = (void*)(size_t)((p<<18)|(c << 16)|(s << 8)|j);
+                     for (k=0; k<5; k++)
+                         d->work_chunks[i].mb_coordinates[k] = d->video_place[(c*d->difseg_size+s)*27*5 + j*5 + k];
+                     d->work_chunks[i++].buf_offset = p;
                  }
                  p += 5;
             }
@@ -381,17 +383,10 @@ static inline void bit_copy(PutBitContex
     }
 }
 
-static inline void dv_calculate_mb_xy(DVVideoContext *s, int work_chunk, int m, int *mb_x, int *mb_y)
+static inline void dv_calculate_mb_xy(DVVideoContext *s, DVwork_chunk *work_chunk, int m, int *mb_x, int *mb_y)
 {
-     int i, chan, seg, slot;
-
-     chan = (work_chunk>>16)&0x03;
-     seg  = (work_chunk>>8)&0xff;
-     slot = (work_chunk)&0xff;
-
-     i = (chan*s->sys->difseg_size+seg)*27*5 + slot*5 + m;
-     *mb_x = s->sys->video_place[i] & 0xff;
-     *mb_y = s->sys->video_place[i] >> 8;
+     *mb_x = work_chunk->mb_coordinates[m] & 0xff;
+     *mb_y = work_chunk->mb_coordinates[m] >> 8;
 
      /* We work with 720p frames split in half. The odd half-frame (chan==2,3) is displaced :-( */
      if (s->sys->height == 720 && !(s->buf[1]&0x0C)) {
@@ -400,7 +395,7 @@ static inline void dv_calculate_mb_xy(DV
 }
 
 /* mb_x and mb_y are in units of 8 pixels */
-static inline void dv_decode_video_segment(DVVideoContext *s, int work_chunk)
+static inline void dv_decode_video_segment(DVVideoContext *s, DVwork_chunk *work_chunk)
 {
     int quant, dc, dct_mode, class1, j;
     int mb_index, mb_x, mb_y, last_index;
@@ -424,7 +419,7 @@ static inline void dv_decode_video_segme
     memset(sblock, 0, sizeof(sblock));
 
     /* pass 1 : read DC and AC coefficients in blocks */
-    buf_ptr = &s->buf[(work_chunk>>18)*80];
+    buf_ptr = &s->buf[work_chunk->buf_offset*80];
     block1  = &sblock[0][0];
     mb1     = mb_data;
     init_put_bits(&vs_pb, vs_bit_buffer, 5 * 80);
@@ -862,7 +857,7 @@ static inline void dv_guess_qnos(EncBloc
     }
 }
 
-static inline void dv_encode_video_segment(DVVideoContext *s, int work_chunk)
+static inline void dv_encode_video_segment(DVVideoContext *s, DVwork_chunk *work_chunk)
 {
     int mb_index, i, j;
     int mb_x, mb_y, c_offset, linesize;
@@ -881,7 +876,7 @@ static inline void dv_encode_video_segme
 
     assert((((int)block) & 15) == 0);
 
-    dif = &s->buf[(work_chunk>>18)*80];
+    dif = &s->buf[work_chunk->buf_offset*80];
     enc_blk = &enc_blks[0];
     pb = &pbs[0];
     for (mb_index = 0; mb_index < 5; mb_index++) {
@@ -1013,14 +1008,14 @@ static inline void dv_encode_video_segme
 
 static int dv_decode_mt(AVCodecContext *avctx, void* sl)
 {
-    dv_decode_video_segment((DVVideoContext *)avctx->priv_data, *(size_t*)sl);
+    dv_decode_video_segment((DVVideoContext *)avctx->priv_data, (DVwork_chunk*)sl);
     return 0;
 }
 
 #ifdef CONFIG_DVVIDEO_ENCODER
 static int dv_encode_mt(AVCodecContext *avctx, void* sl)
 {
-    dv_encode_video_segment((DVVideoContext *)avctx->priv_data, *(size_t*)sl);
+    dv_encode_video_segment((DVVideoContext *)avctx->priv_data, (DVwork_chunk*)sl);
     return 0;
 }
 #endif
@@ -1056,7 +1051,7 @@ static int dvvideo_decode_frame(AVCodecC
 
     s->buf = buf;
     avctx->execute(avctx, dv_decode_mt, s->sys->work_chunks, NULL,
-                   dv_work_pool_size(s->sys), sizeof(void*));
+                   dv_work_pool_size(s->sys), sizeof(DVwork_chunk));
 
     emms_c();
 
@@ -1209,7 +1204,7 @@ static int dvvideo_encode_frame(AVCodecC
 
     s->buf = buf;
     c->execute(c, dv_encode_mt, s->sys->work_chunks, NULL,
-               dv_work_pool_size(s->sys), sizeof(void*));
+               dv_work_pool_size(s->sys), sizeof(DVwork_chunk));
 
     emms_c();
 

Modified: trunk/libavcodec/dvdata.h
==============================================================================
--- trunk/libavcodec/dvdata.h	(original)
+++ trunk/libavcodec/dvdata.h	Wed Nov 12 22:13:28 2008
@@ -30,6 +30,11 @@
 #include "libavutil/rational.h"
 #include "avcodec.h"
 
+typedef struct DVwork_chunk {
+    uint16_t  buf_offset;
+    uint16_t  mb_coordinates[5];
+} DVwork_chunk;
+
 /*
  * DVprofile is used to express the differences between various
  * DV flavors. For now it's primarily used for differentiating
@@ -47,7 +52,7 @@ typedef struct DVprofile {
     int              height;                /* picture height in pixels */
     int              width;                 /* picture width in pixels */
     AVRational       sar[2];                /* sample aspect ratios for 4:3 and 16:9 */
-    void           **work_chunks;           /* each thread gets its own chunk of frame to work on */
+    DVwork_chunk    *work_chunks;           /* each thread gets its own chunk of frame to work on */
     const uint16_t  *video_place;           /* positions of all DV macroblocks */
     enum PixelFormat pix_fmt;               /* picture pixel format */
     int              bpm;                   /* blocks per macroblock */
@@ -6160,15 +6165,15 @@ static const uint8_t block_sizes_dv100[8
     80, 80, 80, 80, 80, 80, 64, 64,
 };
 
-static void  *work_chunks_dv25pal   [1*12*27];
-static void  *work_chunks_dv25pal411[1*12*27];
-static void  *work_chunks_dv25ntsc  [1*10*27];
-static void  *work_chunks_dv50pal   [2*12*27];
-static void  *work_chunks_dv50ntsc  [2*10*27];
-static void  *work_chunks_dv100palp [2*12*27];
-static void  *work_chunks_dv100ntscp[2*10*27];
-static void  *work_chunks_dv100pali [4*12*27];
-static void  *work_chunks_dv100ntsci[4*10*27];
+static DVwork_chunk work_chunks_dv25pal   [1*12*27];
+static DVwork_chunk work_chunks_dv25pal411[1*12*27];
+static DVwork_chunk work_chunks_dv25ntsc  [1*10*27];
+static DVwork_chunk work_chunks_dv50pal   [2*12*27];
+static DVwork_chunk work_chunks_dv50ntsc  [2*10*27];
+static DVwork_chunk work_chunks_dv100palp [2*12*27];
+static DVwork_chunk work_chunks_dv100ntscp[2*10*27];
+static DVwork_chunk work_chunks_dv100pali [4*12*27];
+static DVwork_chunk work_chunks_dv100ntsci[4*10*27];
 
 static const DVprofile dv_profiles[] = {
     { .dsf = 0,




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