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avcodec/tiff: implement FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM

This commit is contained in:
Paul B Mahol 2022-09-25 15:59:13 +02:00
parent c0771055ec
commit 1452445116
1 changed files with 8 additions and 3 deletions
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11
libavcodec/tiff.c
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@ -1209,6 +1209,10 @@ static int init_image(TiffContext *s, AVFrame *frame)
if (ret < 0)
return ret;
}
if (s->avctx->skip_frame >= AVDISCARD_ALL)
return 0;
if ((ret = ff_thread_get_buffer(s->avctx, frame, 0)) < 0)
return ret;
if (s->avctx->pix_fmt == AV_PIX_FMT_PAL8) {
@ -1222,7 +1226,7 @@ static int init_image(TiffContext *s, AVFrame *frame)
pal[i] = 0xFFU << 24 | i * 255 / ((1<<s->bpp) - 1) * 0x010101;
}
}
return 0;
return 1;
}
static void set_sar(TiffContext *s, unsigned tag, unsigned num, unsigned den)
@ -2089,7 +2093,7 @@ again:
}
/* now we have the data and may start decoding */
if ((ret = init_image(s, p)) < 0)
if ((ret = init_image(s, p)) <= 0)
return ret;
if (!s->is_tiled || has_strip_bits) {
@ -2382,6 +2386,7 @@ const FFCodec ff_tiff_decoder = {
.close = tiff_end,
FF_CODEC_DECODE_CB(decode_frame),
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_ICC_PROFILES,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_ICC_PROFILES |
FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
.p.priv_class = &tiff_decoder_class,
};