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authorMichael Niedermayer <michaelni@gmx.at>2013-03-24 15:19:37 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-03-25 13:30:30 +0100
commitad438f450b83882a1277a79c1c3d6dfe55573b1c (patch)
tree86ce7a6cede6f617eb346c5542284eeb52232941 /libavcodec/xan.c
parent45013b365e46008988c31c81b4ec1318dbc67e78 (diff)
xan: make decoder independent of sizeof(AVFrame)
Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/xan.c')
-rw-r--r--libavcodec/xan.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/libavcodec/xan.c b/libavcodec/xan.c
index 2ee22910f1..27583522f9 100644
--- a/libavcodec/xan.c
+++ b/libavcodec/xan.c
@@ -52,7 +52,7 @@
typedef struct XanContext {
AVCodecContext *avctx;
- AVFrame last_frame;
+ AVFrame *last_frame;
const unsigned char *buf;
int size;
@@ -71,6 +71,8 @@ typedef struct XanContext {
} XanContext;
+static av_cold int xan_decode_end(AVCodecContext *avctx);
+
static av_cold int xan_decode_init(AVCodecContext *avctx)
{
XanContext *s = avctx->priv_data;
@@ -90,7 +92,11 @@ static av_cold int xan_decode_init(AVCodecContext *avctx)
av_freep(&s->buffer1);
return AVERROR(ENOMEM);
}
- avcodec_get_frame_defaults(&s->last_frame);
+ s->last_frame = av_frame_alloc();
+ if (!s->last_frame) {
+ xan_decode_end(avctx);
+ return AVERROR(ENOMEM);
+ }
return 0;
}
@@ -234,7 +240,7 @@ static inline void xan_wc3_copy_pixel_run(XanContext *s, AVFrame *frame,
return;
palette_plane = frame->data[0];
- prev_palette_plane = s->last_frame.data[0];
+ prev_palette_plane = s->last_frame->data[0];
if (!prev_palette_plane)
prev_palette_plane = palette_plane;
stride = frame->linesize[0];
@@ -602,8 +608,8 @@ static int xan_decode_frame(AVCodecContext *avctx,
if (xan_wc3_decode_frame(s, frame) < 0)
return AVERROR_INVALIDDATA;
- av_frame_unref(&s->last_frame);
- if ((ret = av_frame_ref(&s->last_frame, frame)) < 0)
+ av_frame_unref(s->last_frame);
+ if ((ret = av_frame_ref(s->last_frame, frame)) < 0)
return ret;
*got_frame = 1;
@@ -616,7 +622,7 @@ static av_cold int xan_decode_end(AVCodecContext *avctx)
{
XanContext *s = avctx->priv_data;
- av_frame_unref(&s->last_frame);
+ av_frame_free(&s->last_frame);
av_freep(&s->buffer1);
av_freep(&s->buffer2);