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Merge commit '2597a842a0a2c7e8aa76f32733d27bf64817ae86'

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* commit '2597a842a0a2c7e8aa76f32733d27bf64817ae86':
  tiff: Improve grayscale support

Conflicts:
	libavcodec/tiff.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-08-10 18:40:46 +02:00
commit 61b9ce00a3
1 changed files with 3 additions and 11 deletions
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14
libavcodec/tiff.c
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@ -572,8 +572,7 @@ static int tiff_unpack_strip(TiffContext *s, AVFrame *p, uint8_t *dst, int strid
static int init_image(TiffContext *s, ThreadFrame *frame)
{
int i, ret;
uint32_t *pal;
int ret;
switch (s->planar * 1000 + s->bpp * 10 + s->bppcount) {
case 11:
@ -584,7 +583,7 @@ static int init_image(TiffContext *s, ThreadFrame *frame)
case 21:
case 41:
case 81:
s->avctx->pix_fmt = AV_PIX_FMT_PAL8;
s->avctx->pix_fmt = s->palette_is_set ? AV_PIX_FMT_PAL8 : AV_PIX_FMT_GRAY8;
break;
case 243:
if (s->photometric == TIFF_PHOTOMETRIC_YCBCR) {
@ -651,14 +650,7 @@ static int init_image(TiffContext *s, ThreadFrame *frame)
if ((ret = ff_thread_get_buffer(s->avctx, frame, 0)) < 0)
return ret;
if (s->avctx->pix_fmt == AV_PIX_FMT_PAL8) {
if (s->palette_is_set) {
memcpy(frame->f->data[1], s->palette, sizeof(s->palette));
} else {
/* make default grayscale pal */
pal = (uint32_t *) frame->f->data[1];
for (i = 0; i < 1<<s->bpp; i++)
pal[i] = 0xFFU << 24 | i * 255 / ((1<<s->bpp) - 1) * 0x010101;
}
memcpy(frame->f->data[1], s->palette, sizeof(s->palette));
}
return 0;
}