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Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/zmbv.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/libavcodec/zmbv.c b/libavcodec/zmbv.c
index 99e735cfd9..02599bf03d 100644
--- a/libavcodec/zmbv.c
+++ b/libavcodec/zmbv.c
@@ -69,8 +69,8 @@ typedef struct ZmbvContext {
int stride;
int bw, bh, bx, by;
int decomp_len;
+ int got_keyframe;
z_stream zstream;
- int (*decode_intra)(struct ZmbvContext *c);
int (*decode_xor)(struct ZmbvContext *c);
} ZmbvContext;
@@ -425,8 +425,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
c->flags = buf[0];
buf++; len--;
if (c->flags & ZMBV_KEYFRAME) {
- void *decode_intra = NULL;
- c->decode_intra= NULL;
+ c->got_keyframe = 0;
if (len < 6)
return AVERROR_INVALIDDATA;
@@ -436,7 +435,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
c->fmt = buf[3];
c->bw = buf[4];
c->bh = buf[5];
- c->decode_intra = NULL;
c->decode_xor = NULL;
buf += 6;
@@ -460,7 +458,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
switch (c->fmt) {
case ZMBV_FMT_8BPP:
c->bpp = 8;
- decode_intra = zmbv_decode_intra;
c->decode_xor = zmbv_decode_xor_8;
avctx->pix_fmt = AV_PIX_FMT_PAL8;
c->stride = c->width;
@@ -468,7 +465,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
case ZMBV_FMT_15BPP:
case ZMBV_FMT_16BPP:
c->bpp = 16;
- decode_intra = zmbv_decode_intra;
c->decode_xor = zmbv_decode_xor_16;
if (c->fmt == ZMBV_FMT_15BPP)
avctx->pix_fmt = AV_PIX_FMT_RGB555LE;
@@ -479,7 +475,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
#ifdef ZMBV_ENABLE_24BPP
case ZMBV_FMT_24BPP:
c->bpp = 24;
- decode_intra = zmbv_decode_intra;
c->decode_xor = zmbv_decode_xor_24;
avctx->pix_fmt = AV_PIX_FMT_BGR24;
c->stride = c->width * 3;
@@ -487,7 +482,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
#endif //ZMBV_ENABLE_24BPP
case ZMBV_FMT_32BPP:
c->bpp = 32;
- decode_intra = zmbv_decode_intra;
c->decode_xor = zmbv_decode_xor_32;
avctx->pix_fmt = AV_PIX_FMT_BGR0;
c->stride = c->width * 4;
@@ -517,7 +511,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
}
memset(c->cur, 0, avctx->width * avctx->height * (c->bpp / 8));
memset(c->prev, 0, avctx->width * avctx->height * (c->bpp / 8));
- c->decode_intra= decode_intra;
+ c->got_keyframe = 1;
}
if (c->flags & ZMBV_KEYFRAME) {
expected_size = avctx->width * avctx->height * (c->bpp / 8);
@@ -528,7 +522,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
(c->flags & (ZMBV_DELTAPAL | ZMBV_KEYFRAME)))
expected_size += 768;
- if (!c->decode_intra) {
+ if (!c->got_keyframe) {
av_log(avctx, AV_LOG_ERROR, "Error! Got no format or no keyframe!\n");
return AVERROR_INVALIDDATA;
}
@@ -564,7 +558,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
if (c->flags & ZMBV_KEYFRAME) {
frame->key_frame = 1;
frame->pict_type = AV_PICTURE_TYPE_I;
- c->decode_intra(c);
+ zmbv_decode_intra(c);
} else {
frame->key_frame = 0;
frame->pict_type = AV_PICTURE_TYPE_P;