mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-27 18:02:11 +00:00
loco: Convert to the new bitstream reader
This commit is contained in:
parent
0f94de8a09
commit
d85b37a955
@ -25,8 +25,8 @@
|
||||
*/
|
||||
|
||||
#include "avcodec.h"
|
||||
#include "get_bits.h"
|
||||
#include "golomb_legacy.h"
|
||||
#include "bitstream.h"
|
||||
#include "golomb.h"
|
||||
#include "internal.h"
|
||||
#include "mathops.h"
|
||||
|
||||
@ -50,7 +50,7 @@ typedef struct LOCOContext {
|
||||
} LOCOContext;
|
||||
|
||||
typedef struct RICEContext {
|
||||
GetBitContext gb;
|
||||
BitstreamContext bc;
|
||||
int save, run, run2; /* internal rice decoder state */
|
||||
int sum, count; /* sum and count for getting rice parameter */
|
||||
int lossy;
|
||||
@ -88,11 +88,11 @@ static inline int loco_get_rice(RICEContext *r)
|
||||
loco_update_rice_param(r, 0);
|
||||
return 0;
|
||||
}
|
||||
v = get_ur_golomb_jpegls(&r->gb, loco_get_rice_param(r), INT_MAX, 0);
|
||||
v = get_ur_golomb_jpegls(&r->bc, loco_get_rice_param(r), INT_MAX, 0);
|
||||
loco_update_rice_param(r, (v + 1) >> 1);
|
||||
if (!v) {
|
||||
if (r->save >= 0) {
|
||||
r->run = get_ur_golomb_jpegls(&r->gb, 2, INT_MAX, 0);
|
||||
r->run = get_ur_golomb_jpegls(&r->bc, 2, INT_MAX, 0);
|
||||
if (r->run > 1)
|
||||
r->save += r->run + 1;
|
||||
else
|
||||
@ -132,7 +132,7 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh
|
||||
int val;
|
||||
int i, j;
|
||||
|
||||
init_get_bits(&rc.gb, buf, buf_size*8);
|
||||
bitstream_init8(&rc.bc, buf, buf_size);
|
||||
rc.save = 0;
|
||||
rc.run = 0;
|
||||
rc.run2 = 0;
|
||||
@ -162,7 +162,7 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh
|
||||
data += stride;
|
||||
}
|
||||
|
||||
return (get_bits_count(&rc.gb) + 7) >> 3;
|
||||
return (bitstream_tell(&rc.bc) + 7) >> 3;
|
||||
}
|
||||
|
||||
static int decode_frame(AVCodecContext *avctx,
|
||||
|
Loading…
Reference in New Issue
Block a user