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Code Issues Releases Activity

intrax8: Make x8_init_block_index not use mpegvideo fields

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This commit is contained in:
Vittorio Giovara 2016-02-19 17:57:09 -05:00
parent 922b7e6d86
commit 65127450ad
1 changed files with 11 additions and 12 deletions
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23
libavcodec/intrax8.c
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@ -726,22 +726,21 @@ block_placed:
}
// FIXME maybe merge with ff_*
static void x8_init_block_index(IntraX8Context *w)
static void x8_init_block_index(IntraX8Context *w, AVFrame *frame, int mb_y)
{
MpegEncContext *const s = w->s;
// not s->linesize as this would be wrong for field pics
// not parent codec linesize as this would be wrong for field pics
// not that IntraX8 has interlacing support ;)
const int linesize = s->current_picture.f->linesize[0];
const int uvlinesize = s->current_picture.f->linesize[1];
const int linesize = frame->linesize[0];
const int uvlinesize = frame->linesize[1];
w->dest[0] = s->current_picture.f->data[0];
w->dest[1] = s->current_picture.f->data[1];
w->dest[2] = s->current_picture.f->data[2];
w->dest[0] = frame->data[0];
w->dest[1] = frame->data[1];
w->dest[2] = frame->data[2];
w->dest[0] += s->mb_y * linesize << 3;
w->dest[0] += mb_y * linesize << 3;
// chroma blocks are on add rows
w->dest[1] += (s->mb_y & (~1)) * uvlinesize << 2;
w->dest[2] += (s->mb_y & (~1)) * uvlinesize << 2;
w->dest[1] += (mb_y & (~1)) * uvlinesize << 2;
w->dest[2] += (mb_y & (~1)) * uvlinesize << 2;
}
av_cold int ff_intrax8_common_init(IntraX8Context *w, MpegEncContext *const s)
@ -797,7 +796,7 @@ int ff_intrax8_decode_picture(IntraX8Context *const w, int dquant,
x8_reset_vlc_tables(w);
for (s->mb_y = 0; s->mb_y < s->mb_height * 2; s->mb_y++) {
x8_init_block_index(w);
x8_init_block_index(w, s->current_picture.f, s->mb_y);
mb_xy = (s->mb_y >> 1) * s->mb_stride;
for (s->mb_x = 0; s->mb_x < s->mb_width * 2; s->mb_x++) {