[FFmpeg-devel] [PATCH 1/5] avcodec/mv30: Allocate frame later

[Michael Niedermayer]

This way we can check the input before allocation in the next commit

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/mv30.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/libavcodec/mv30.c b/libavcodec/mv30.c
index c2d0547053..0b19534b00 100644
--- a/libavcodec/mv30.c
+++ b/libavcodec/mv30.c
@@ -414,6 +414,9 @@ static int decode_intra(AVCodecContext *avctx, GetBitContext *gb, AVFrame *frame
 
     skip_bits_long(gb, s->mode_size * 8);
 
+    if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
+        return ret;
+
     linesize[0] = frame->linesize[0];
     linesize[1] = frame->linesize[0];
     linesize[2] = frame->linesize[0];
@@ -473,6 +476,9 @@ static int decode_inter(AVCodecContext *avctx, GetBitContext *gb,
     int ret, cnt = 0;
     int flags = 0;
 
+    if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
+        return ret;
+
     in_linesize[0] = prev->linesize[0];
     in_linesize[1] = prev->linesize[0];
     in_linesize[2] = prev->linesize[0];
@@ -610,9 +616,6 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
     if ((ret = init_get_bits8(gb, avpkt->data, avpkt->size)) < 0)
         return ret;
 
-    if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
-        return ret;
-
     s->intra_quant = get_bits(gb, 8);
     s->inter_quant = s->intra_quant + get_sbits(gb, 8);
     s->is_inter = get_bits_le(gb, 16);
-- 
2.17.1