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Code Issues Releases Activity

lavc/dv: do not pass DVVideoContext to dv_calculate_mb_xy()

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Pass the two variables needed from it directly.

This is done in preparation to splitting DVVideoContext.
This commit is contained in:
Anton Khirnov 2022-08-23 11:09:09 +02:00
parent 91c51dac6d
commit 69bad628ec
3 changed files with 5 additions and 4 deletions
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5
libavcodec/dv.h
View File

@ -107,7 +107,8 @@ static inline int dv_work_pool_size(const AVDVProfile *d)
return size;
}
static inline void dv_calculate_mb_xy(const DVVideoContext *s,
static inline void dv_calculate_mb_xy(const AVDVProfile *sys,
const uint8_t *buf,
const DVwork_chunk *work_chunk,
int m, int *mb_x, int *mb_y)
{
@ -116,7 +117,7 @@ static inline void dv_calculate_mb_xy(const DVVideoContext *s,
/* 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))
if (sys->height == 720 && !(buf[1] & 0x0C))
/* shifting the Y coordinate down by 72/2 macro blocks */
*mb_y -= (*mb_y > 17) ? 18 : -72;
}

2
libavcodec/dvdec.c
View File

@ -533,7 +533,7 @@ retry:
block = &sblock[0][0];
mb = mb_data;
for (mb_index = 0; mb_index < 5; mb_index++) {
dv_calculate_mb_xy(s, work_chunk, mb_index, &mb_x, &mb_y);
dv_calculate_mb_xy(s->sys, s->buf, work_chunk, mb_index, &mb_x, &mb_y);
/* idct_put'ting luminance */
if ((s->sys->pix_fmt == AV_PIX_FMT_YUV420P) ||

2
libavcodec/dvenc.c
View File

@ -873,7 +873,7 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg)
p = dif = &s->buf[work_chunk->buf_offset * 80];
enc_blk = &enc_blks[0];
for (mb_index = 0; mb_index < 5; mb_index++) {
dv_calculate_mb_xy(s, work_chunk, mb_index, &mb_x, &mb_y);
dv_calculate_mb_xy(s->sys, s->buf, work_chunk, mb_index, &mb_x, &mb_y);
qnos[mb_index] = DV_PROFILE_IS_HD(s->sys) ? 1 : 15;