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authorAnton Khirnov <anton@khirnov.net>2012-11-21 21:34:46 +0100
committerAnton Khirnov <anton@khirnov.net>2013-03-08 07:38:30 +0100
commit759001c534287a96dc96d1e274665feb7059145d (patch)
tree6ace9560c20aa30db92067c5b45d7bd86e458d10 /libavcodec/tiff.c
parent6e7b50b4270116ded8b874d76cb7c5b1a0341827 (diff)
downloadffmpeg-759001c534287a96dc96d1e274665feb7059145d.tar.gz
lavc decoders: work with refcounted frames.
Diffstat (limited to 'libavcodec/tiff.c')
-rw-r--r--libavcodec/tiff.c27
1 files changed, 9 insertions, 18 deletions
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index dd25190ecf..79c93cbb8a 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -41,7 +41,6 @@
typedef struct TiffContext {
AVCodecContext *avctx;
- AVFrame picture;
int width, height;
unsigned int bpp, bppcount;
@@ -245,7 +244,7 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride,
return 0;
}
-static int init_image(TiffContext *s)
+static int init_image(TiffContext *s, AVFrame *frame)
{
int i, ret;
uint32_t *pal;
@@ -280,18 +279,16 @@ static int init_image(TiffContext *s)
return ret;
avcodec_set_dimensions(s->avctx, s->width, s->height);
}
- if (s->picture.data[0])
- s->avctx->release_buffer(s->avctx, &s->picture);
- if ((ret = ff_get_buffer(s->avctx, &s->picture)) < 0) {
+ if ((ret = ff_get_buffer(s->avctx, frame, 0)) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
if (s->avctx->pix_fmt == AV_PIX_FMT_PAL8) {
if (s->palette_is_set) {
- memcpy(s->picture.data[1], s->palette, sizeof(s->palette));
+ memcpy(frame->data[1], s->palette, sizeof(s->palette));
} else {
/* make default grayscale pal */
- pal = (uint32_t *) s->picture.data[1];
+ pal = (uint32_t *) frame->data[1];
for (i = 0; i < 256; i++)
pal[i] = i * 0x010101;
}
@@ -545,8 +542,7 @@ static int decode_frame(AVCodecContext *avctx,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
TiffContext *const s = avctx->priv_data;
- AVFrame *picture = data;
- AVFrame *const p = &s->picture;
+ AVFrame *const p = data;
const uint8_t *orig_buf = buf, *end_buf = buf + buf_size;
unsigned off;
int id, le, ret;
@@ -599,7 +595,7 @@ static int decode_frame(AVCodecContext *avctx,
return AVERROR_INVALIDDATA;
}
/* now we have the data and may start decoding */
- if ((ret = init_image(s)) < 0)
+ if ((ret = init_image(s, p)) < 0)
return ret;
if (s->strips == 1 && !s->stripsize) {
@@ -647,14 +643,13 @@ static int decode_frame(AVCodecContext *avctx,
uint8_t *src;
int j;
- src = s->picture.data[0];
+ src = p->data[0];
for (j = 0; j < s->height; j++) {
- for (i = 0; i < s->picture.linesize[0]; i++)
+ for (i = 0; i < p->linesize[0]; i++)
src[i] = 255 - src[i];
- src += s->picture.linesize[0];
+ src += p->linesize[0];
}
}
- *picture = s->picture;
*got_frame = 1;
return buf_size;
@@ -667,8 +662,6 @@ static av_cold int tiff_init(AVCodecContext *avctx)
s->width = 0;
s->height = 0;
s->avctx = avctx;
- avcodec_get_frame_defaults(&s->picture);
- avctx->coded_frame = &s->picture;
ff_lzw_decode_open(&s->lzw);
ff_ccitt_unpack_init();
@@ -680,8 +673,6 @@ static av_cold int tiff_end(AVCodecContext *avctx)
TiffContext *const s = avctx->priv_data;
ff_lzw_decode_close(&s->lzw);
- if (s->picture.data[0])
- avctx->release_buffer(avctx, &s->picture);
return 0;
}