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authorDerek Buitenhuis <derek.buitenhuis@gmail.com>2016-05-03 10:24:27 +0100
committerDerek Buitenhuis <derek.buitenhuis@gmail.com>2016-05-03 10:24:33 +0100
commit8bba752ae95f385f2658c43ca5b512e5f9b31a51 (patch)
tree267cd52bec7a65b966c35717e8b422efce17726d
parent014fb816d104fef876f7044c0f6876e890c93c0a (diff)
parentea6ab02a174bcc11f3eaa1b840c9a4c895968690 (diff)
downloadffmpeg-8bba752ae95f385f2658c43ca5b512e5f9b31a51.tar.gz
Merge commit 'ea6ab02a174bcc11f3eaa1b840c9a4c895968690'
* commit 'ea6ab02a174bcc11f3eaa1b840c9a4c895968690': svq3: move the frame num variables to the SVQ3Context Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
-rw-r--r--libavcodec/svq3.c40
1 files changed, 22 insertions, 18 deletions
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index fd43e84ab2..2223d10b67 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -96,6 +96,10 @@ typedef struct SVQ3Context {
int slice_num;
int qscale;
int cbp;
+ int frame_num;
+ int frame_num_offset;
+ int prev_frame_num_offset;
+ int prev_frame_num;
enum AVPictureType pict_type;
@@ -510,15 +514,15 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,
my = s->next_pic->motion_val[0][b_xy][1] << 1;
if (dir == 0) {
- mx = mx * h->frame_num_offset /
- h->prev_frame_num_offset + 1 >> 1;
- my = my * h->frame_num_offset /
- h->prev_frame_num_offset + 1 >> 1;
+ mx = mx * s->frame_num_offset /
+ s->prev_frame_num_offset + 1 >> 1;
+ my = my * s->frame_num_offset /
+ s->prev_frame_num_offset + 1 >> 1;
} else {
- mx = mx * (h->frame_num_offset - h->prev_frame_num_offset) /
- h->prev_frame_num_offset + 1 >> 1;
- my = my * (h->frame_num_offset - h->prev_frame_num_offset) /
- h->prev_frame_num_offset + 1 >> 1;
+ mx = mx * (s->frame_num_offset - s->prev_frame_num_offset) /
+ s->prev_frame_num_offset + 1 >> 1;
+ my = my * (s->frame_num_offset - s->prev_frame_num_offset) /
+ s->prev_frame_num_offset + 1 >> 1;
}
}
@@ -1514,22 +1518,22 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
}
if (s->pict_type == AV_PICTURE_TYPE_B) {
- h->frame_num_offset = s->slice_num - h->prev_frame_num;
+ s->frame_num_offset = s->slice_num - s->prev_frame_num;
- if (h->frame_num_offset < 0)
- h->frame_num_offset += 256;
- if (h->frame_num_offset == 0 ||
- h->frame_num_offset >= h->prev_frame_num_offset) {
+ if (s->frame_num_offset < 0)
+ s->frame_num_offset += 256;
+ if (s->frame_num_offset == 0 ||
+ s->frame_num_offset >= s->prev_frame_num_offset) {
av_log(h->avctx, AV_LOG_ERROR, "error in B-frame picture id\n");
return -1;
}
} else {
- h->prev_frame_num = h->frame_num;
- h->frame_num = s->slice_num;
- h->prev_frame_num_offset = h->frame_num - h->prev_frame_num;
+ s->prev_frame_num = s->frame_num;
+ s->frame_num = s->slice_num;
+ s->prev_frame_num_offset = s->frame_num - s->prev_frame_num;
- if (h->prev_frame_num_offset < 0)
- h->prev_frame_num_offset += 256;
+ if (s->prev_frame_num_offset < 0)
+ s->prev_frame_num_offset += 256;
}
for (m = 0; m < 2; m++) {