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authorReimar Döffinger <Reimar.Doeffinger@gmx.de>2010-03-21 16:03:45 +0000
committerReimar Döffinger <Reimar.Doeffinger@gmx.de>2010-03-21 16:03:45 +0000
commitc787cb339ed7b49a303b7d8b7a5197b38e89c7c3 (patch)
tree97375ee8ff3d244203954338a34b5aaf82dad491 /libavcodec/dv.c
parent8de0859bcb48172a3dfcafa150fcd0319fa28ea4 (diff)
Add support for hard-coding the 256kB large dv_vlc_map table.
Originally committed as revision 22622 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dv.c')
-rw-r--r--libavcodec/dv.c57
1 files changed, 2 insertions, 55 deletions
diff --git a/libavcodec/dv.c b/libavcodec/dv.c
index a35bd14f9e..6711274704 100644
--- a/libavcodec/dv.c
+++ b/libavcodec/dv.c
@@ -44,7 +44,7 @@
#include "put_bits.h"
#include "simple_idct.h"
#include "dvdata.h"
-#include "dv_vlc_data.h"
+#include "dv_tablegen.h"
//#undef NDEBUG
//#include <assert.h>
@@ -65,21 +65,8 @@ typedef struct DVVideoContext {
#define TEX_VLC_BITS 9
-#if CONFIG_SMALL
-#define DV_VLC_MAP_RUN_SIZE 15
-#define DV_VLC_MAP_LEV_SIZE 23
-#else
-#define DV_VLC_MAP_RUN_SIZE 64
-#define DV_VLC_MAP_LEV_SIZE 512 //FIXME sign was removed so this should be /2 but needs check
-#endif
-
/* XXX: also include quantization */
static RL_VLC_ELEM dv_rl_vlc[1184];
-/* VLC encoding lookup table */
-static struct dv_vlc_pair {
- uint32_t vlc;
- uint8_t size;
-} dv_vlc_map[DV_VLC_MAP_RUN_SIZE][DV_VLC_MAP_LEV_SIZE];
static inline int dv_work_pool_size(const DVprofile *d)
{
@@ -326,47 +313,7 @@ static av_cold int dvvideo_init(AVCodecContext *avctx)
}
free_vlc(&dv_vlc);
- for (i = 0; i < NB_DV_VLC - 1; i++) {
- if (dv_vlc_run[i] >= DV_VLC_MAP_RUN_SIZE)
- continue;
-#if CONFIG_SMALL
- if (dv_vlc_level[i] >= DV_VLC_MAP_LEV_SIZE)
- continue;
-#endif
-
- if (dv_vlc_map[dv_vlc_run[i]][dv_vlc_level[i]].size != 0)
- continue;
-
- dv_vlc_map[dv_vlc_run[i]][dv_vlc_level[i]].vlc =
- dv_vlc_bits[i] << (!!dv_vlc_level[i]);
- dv_vlc_map[dv_vlc_run[i]][dv_vlc_level[i]].size =
- dv_vlc_len[i] + (!!dv_vlc_level[i]);
- }
- for (i = 0; i < DV_VLC_MAP_RUN_SIZE; i++) {
-#if CONFIG_SMALL
- for (j = 1; j < DV_VLC_MAP_LEV_SIZE; j++) {
- if (dv_vlc_map[i][j].size == 0) {
- dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc |
- (dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size));
- dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size +
- dv_vlc_map[0][j].size;
- }
- }
-#else
- for (j = 1; j < DV_VLC_MAP_LEV_SIZE/2; j++) {
- if (dv_vlc_map[i][j].size == 0) {
- dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc |
- (dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size));
- dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size +
- dv_vlc_map[0][j].size;
- }
- dv_vlc_map[i][((uint16_t)(-j))&0x1ff].vlc =
- dv_vlc_map[i][j].vlc | 1;
- dv_vlc_map[i][((uint16_t)(-j))&0x1ff].size =
- dv_vlc_map[i][j].size;
- }
-#endif
- }
+ dv_vlc_map_tableinit();
}
/* Generic DSP setup */