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authorPaul B Mahol <onemda@gmail.com>2013-07-29 15:20:15 +0000
committerPaul B Mahol <onemda@gmail.com>2013-07-31 20:01:42 +0000
commit02fe531afefa7ac3fcc552f8e83461a4bfa7f868 (patch)
tree20486656d155af738ed69c1fe111d8539d17fcde /libavcodec/mss2.c
parent451b2ca1b4349f9b60416cc057eaf5518d81025c (diff)
mss2: make code independent of sizeof(AVFrame)
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec/mss2.c')
-rw-r--r--libavcodec/mss2.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/libavcodec/mss2.c b/libavcodec/mss2.c
index 54b9fb5f80..12336547b0 100644
--- a/libavcodec/mss2.c
+++ b/libavcodec/mss2.c
@@ -34,7 +34,7 @@
typedef struct MSS2Context {
VC1Context v;
int split_position;
- AVFrame last_pic;
+ AVFrame *last_pic;
MSS12Context c;
MSS2DSPContext dsp;
SliceContext sc[2];
@@ -523,8 +523,8 @@ static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
return AVERROR_INVALIDDATA;
avctx->pix_fmt = is_555 ? AV_PIX_FMT_RGB555 : AV_PIX_FMT_RGB24;
- if (ctx->last_pic.format != avctx->pix_fmt)
- av_frame_unref(&ctx->last_pic);
+ if (ctx->last_pic->format != avctx->pix_fmt)
+ av_frame_unref(ctx->last_pic);
if (has_wmv9) {
bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);
@@ -601,18 +601,18 @@ static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
return ret;
- if (ctx->last_pic.data[0]) {
- av_assert0(frame->linesize[0] == ctx->last_pic.linesize[0]);
- c->last_rgb_pic = ctx->last_pic.data[0] +
- ctx->last_pic.linesize[0] * (avctx->height - 1);
+ if (ctx->last_pic->data[0]) {
+ av_assert0(frame->linesize[0] == ctx->last_pic->linesize[0]);
+ c->last_rgb_pic = ctx->last_pic->data[0] +
+ ctx->last_pic->linesize[0] * (avctx->height - 1);
} else {
av_log(avctx, AV_LOG_ERROR, "Missing keyframe\n");
return AVERROR_INVALIDDATA;
}
} else {
- if ((ret = ff_reget_buffer(avctx, &ctx->last_pic)) < 0)
+ if ((ret = ff_reget_buffer(avctx, ctx->last_pic)) < 0)
return ret;
- if ((ret = av_frame_ref(frame, &ctx->last_pic)) < 0)
+ if ((ret = av_frame_ref(frame, ctx->last_pic)) < 0)
return ret;
c->last_rgb_pic = NULL;
@@ -726,8 +726,8 @@ static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
av_log(avctx, AV_LOG_WARNING, "buffer not fully consumed\n");
if (c->mvX < 0 || c->mvY < 0) {
- av_frame_unref(&ctx->last_pic);
- ret = av_frame_ref(&ctx->last_pic, frame);
+ av_frame_unref(ctx->last_pic);
+ ret = av_frame_ref(ctx->last_pic, frame);
if (ret < 0)
return ret;
}
@@ -802,7 +802,7 @@ static av_cold int mss2_decode_end(AVCodecContext *avctx)
{
MSS2Context *const ctx = avctx->priv_data;
- av_frame_unref(&ctx->last_pic);
+ av_frame_free(&ctx->last_pic);
ff_mss12_decode_end(&ctx->c);
av_freep(&ctx->c.pal_pic);
@@ -820,10 +820,11 @@ static av_cold int mss2_decode_init(AVCodecContext *avctx)
c->avctx = avctx;
if (ret = ff_mss12_decode_init(c, 1, &ctx->sc[0], &ctx->sc[1]))
return ret;
+ ctx->last_pic = av_frame_alloc();
c->pal_stride = c->mask_stride;
c->pal_pic = av_mallocz(c->pal_stride * avctx->height);
c->last_pal_pic = av_mallocz(c->pal_stride * avctx->height);
- if (!c->pal_pic || !c->last_pal_pic) {
+ if (!c->pal_pic || !c->last_pal_pic || !ctx->last_pic) {
mss2_decode_end(avctx);
return AVERROR(ENOMEM);
}