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avcodec/clearvideo: Use const where appropriate 

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-11-07 01:22:17 +01:00
parent c2966ae14c
commit 165682a6d4
1 changed files with 8 additions and 7 deletions
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15
libavcodec/clearvideo.c
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@ -222,14 +222,15 @@ static int decode_mb(CLVContext *c, int x, int y)
return 0;
}
static int copy_block(AVCodecContext *avctx, AVFrame *dst, AVFrame *src,
static int copy_block(AVCodecContext *avctx, AVFrame *dst, const AVFrame *src,
int plane, int x, int y, int dx, int dy, int size)
{
int shift = plane > 0;
int sx = x + dx;
int sy = y + dy;
int sstride, dstride, soff, doff;
uint8_t *sbuf, *dbuf;
uint8_t *dbuf;
const uint8_t *sbuf;
int i;
if (x < 0 || sx < 0 || y < 0 || sy < 0 ||
@ -248,7 +249,7 @@ static int copy_block(AVCodecContext *avctx, AVFrame *dst, AVFrame *src,
for (i = 0; i < size; i++) {
uint8_t *dptr = &dbuf[doff];
uint8_t *sptr = &sbuf[soff];
const uint8_t *sptr = &sbuf[soff];
memcpy(dptr, sptr, size);
doff += dstride;
@ -258,7 +259,7 @@ static int copy_block(AVCodecContext *avctx, AVFrame *dst, AVFrame *src,
return 0;
}
static int copyadd_block(AVCodecContext *avctx, AVFrame *dst, AVFrame *src,
static int copyadd_block(AVCodecContext *avctx, AVFrame *dst, const AVFrame *src,
int plane, int x, int y, int dx, int dy, int size, int bias)
{
int shift = plane > 0;
@ -267,7 +268,7 @@ static int copyadd_block(AVCodecContext *avctx, AVFrame *dst, AVFrame *src,
int sstride = src->linesize[plane];
int dstride = dst->linesize[plane];
int soff = sx + sy * sstride;
uint8_t *sbuf = src->data[plane];
const uint8_t *sbuf = src->data[plane];
int doff = x + y * dstride;
uint8_t *dbuf = dst->data[plane];
int i, j;
@ -281,7 +282,7 @@ static int copyadd_block(AVCodecContext *avctx, AVFrame *dst, AVFrame *src,
for (j = 0; j < size; j++) {
uint8_t *dptr = &dbuf[doff];
uint8_t *sptr = &sbuf[soff];
const uint8_t *sptr = &sbuf[soff];
for (i = 0; i < size; i++) {
int val = sptr[i] + bias;
@ -368,7 +369,7 @@ static void mvi_update_row(MVInfo *mvi)
}
}
static int tile_do_block(AVCodecContext *avctx, AVFrame *dst, AVFrame *src,
static int tile_do_block(AVCodecContext *avctx, AVFrame *dst, const AVFrame *src,
int plane, int x, int y, int dx, int dy, int size, int bias)
{
int ret;