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avcodec/ffv1, ffv1dec: Add const where appropriate 

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-04-21 10:12:15 +02:00
parent 17605d1a4a
commit 485121b92c
3 changed files with 7 additions and 6 deletions
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4
libavcodec/ffv1.c
View File

@ -63,7 +63,7 @@ av_cold int ff_ffv1_common_init(AVCodecContext *avctx)
return 0;
}
av_cold int ff_ffv1_init_slice_state(FFV1Context *f, FFV1Context *fs)
av_cold int ff_ffv1_init_slice_state(const FFV1Context *f, FFV1Context *fs)
{
int j, i;
@ -170,7 +170,7 @@ int ff_ffv1_allocate_initial_states(FFV1Context *f)
return 0;
}
void ff_ffv1_clear_slice_state(FFV1Context *f, FFV1Context *fs)
void ff_ffv1_clear_slice_state(const FFV1Context *f, FFV1Context *fs)
{
int i, j;

4
libavcodec/ffv1.h
View File

@ -139,11 +139,11 @@ typedef struct FFV1Context {
} FFV1Context;
int ff_ffv1_common_init(AVCodecContext *avctx);
int ff_ffv1_init_slice_state(FFV1Context *f, FFV1Context *fs);
int ff_ffv1_init_slice_state(const FFV1Context *f, FFV1Context *fs);
int ff_ffv1_init_slices_state(FFV1Context *f);
int ff_ffv1_init_slice_contexts(FFV1Context *f);
int ff_ffv1_allocate_initial_states(FFV1Context *f);
void ff_ffv1_clear_slice_state(FFV1Context *f, FFV1Context *fs);
void ff_ffv1_clear_slice_state(const FFV1Context *f, FFV1Context *fs);
int ff_ffv1_close(AVCodecContext *avctx);
static av_always_inline int fold(int diff, int bits)

5
libavcodec/ffv1dec.c
View File

@ -161,7 +161,7 @@ static int decode_plane(FFV1Context *s, uint8_t *src,
return 0;
}
static int decode_slice_header(FFV1Context *f, FFV1Context *fs)
static int decode_slice_header(const FFV1Context *f, FFV1Context *fs)
{
RangeCoder *c = &fs->c;
uint8_t state[CONTEXT_SIZE];
@ -974,7 +974,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
return buf_size;
}
static void copy_fields(FFV1Context *fsdst, FFV1Context *fssrc, FFV1Context *fsrc)
static void copy_fields(FFV1Context *fsdst, const FFV1Context *fssrc,
const FFV1Context *fsrc)
{
fsdst->version = fsrc->version;
fsdst->micro_version = fsrc->micro_version;