aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/mjpeg.c
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2005-07-17 12:56:56 +0000
committerMichael Niedermayer <michaelni@gmx.at>2005-07-17 12:56:56 +0000
commit4c1a012e9ceb0840688c547625208e7c4b81624a (patch)
treed5573ece0d80440d1ebefada16815eba33ebc90b /libavcodec/mjpeg.c
parente33943728e775ef9f3239fe950f3be4fa405d1f2 (diff)
downloadffmpeg-4c1a012e9ceb0840688c547625208e7c4b81624a.tar.gz
dont pre allocate uselessly large buffer and dont ignore FF_INPUT_BUFFER_PADDING_SIZE
Originally committed as revision 4452 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mjpeg.c')
-rw-r--r--libavcodec/mjpeg.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/libavcodec/mjpeg.c b/libavcodec/mjpeg.c
index bfce40c4ad..7aaf1e73ad 100644
--- a/libavcodec/mjpeg.c
+++ b/libavcodec/mjpeg.c
@@ -896,11 +896,8 @@ static int mjpeg_decode_init(AVCodecContext *avctx)
s->idct_put= s2.dsp.idct_put;
s->mpeg_enc_ctx_allocated = 0;
- s->buffer_size = 102400; /* smaller buffer should be enough,
- but photojpg files could ahive bigger sizes */
- s->buffer = av_malloc(s->buffer_size);
- if (!s->buffer)
- return -1;
+ s->buffer_size = 0;
+ s->buffer = NULL;
s->start_code = -1;
s->first_picture = 1;
s->org_height = avctx->coded_height;
@@ -1841,7 +1838,7 @@ static int mjpeg_decode_frame(AVCodecContext *avctx,
{
av_free(s->buffer);
s->buffer_size = buf_end-buf_ptr;
- s->buffer = av_malloc(s->buffer_size);
+ s->buffer = av_malloc(s->buffer_size + FF_INPUT_BUFFER_PADDING_SIZE);
dprintf("buffer too small, expanding to %d bytes\n",
s->buffer_size);
}