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Diffstat (limited to 'libavcodec/idcinvideo.c')
-rw-r--r--libavcodec/idcinvideo.c35
1 files changed, 9 insertions, 26 deletions
diff --git a/libavcodec/idcinvideo.c b/libavcodec/idcinvideo.c
index 2070419d7e..7e63da9987 100644
--- a/libavcodec/idcinvideo.c
+++ b/libavcodec/idcinvideo.c
@@ -66,7 +66,6 @@ typedef struct
typedef struct IdcinContext {
AVCodecContext *avctx;
- AVFrame frame;
const unsigned char *buf;
int size;
@@ -168,12 +167,10 @@ static av_cold int idcin_decode_init(AVCodecContext *avctx)
huff_build_tree(s, i);
}
- avcodec_get_frame_defaults(&s->frame);
-
return 0;
}
-static int idcin_decode_vlcs(IdcinContext *s)
+static int idcin_decode_vlcs(IdcinContext *s, AVFrame *frame)
{
hnode *hnodes;
long x, y;
@@ -182,8 +179,8 @@ static int idcin_decode_vlcs(IdcinContext *s)
int bit_pos, node_num, dat_pos;
prev = bit_pos = dat_pos = 0;
- for (y = 0; y < (s->frame.linesize[0] * s->avctx->height);
- y += s->frame.linesize[0]) {
+ for (y = 0; y < (frame->linesize[0] * s->avctx->height);
+ y += frame->linesize[0]) {
for (x = y; x < y + s->avctx->width; x++) {
node_num = s->num_huff_nodes[prev];
hnodes = s->huff_nodes[prev];
@@ -203,7 +200,7 @@ static int idcin_decode_vlcs(IdcinContext *s)
bit_pos--;
}
- s->frame.data[0][x] = node_num;
+ frame->data[0][x] = node_num;
prev = node_num;
}
}
@@ -219,53 +216,39 @@ static int idcin_decode_frame(AVCodecContext *avctx,
int buf_size = avpkt->size;
IdcinContext *s = avctx->priv_data;
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
+ AVFrame *frame = data;
int ret;
s->buf = buf;
s->size = buf_size;
- if (s->frame.data[0])
- avctx->release_buffer(avctx, &s->frame);
-
- if ((ret = ff_get_buffer(avctx, &s->frame))) {
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
- if (idcin_decode_vlcs(s))
+ if (idcin_decode_vlcs(s, frame))
return AVERROR_INVALIDDATA;
if (pal) {
- s->frame.palette_has_changed = 1;
+ frame->palette_has_changed = 1;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
/* make the palette available on the way out */
- memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
+ memcpy(frame->data[1], s->pal, AVPALETTE_SIZE);
*got_frame = 1;
- *(AVFrame*)data = s->frame;
/* report that the buffer was completely consumed */
return buf_size;
}
-static av_cold int idcin_decode_end(AVCodecContext *avctx)
-{
- IdcinContext *s = avctx->priv_data;
-
- if (s->frame.data[0])
- avctx->release_buffer(avctx, &s->frame);
-
- return 0;
-}
-
AVCodec ff_idcin_decoder = {
.name = "idcinvideo",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_IDCIN,
.priv_data_size = sizeof(IdcinContext),
.init = idcin_decode_init,
- .close = idcin_decode_end,
.decode = idcin_decode_frame,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("id Quake II CIN video"),