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mxg: do not leak mxg->buffer 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-02-22 13:37:35 +00:00
parent db05f7ab16
commit a72b41035c
1 changed files with 6 additions and 4 deletions
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10
libavformat/mxg.c
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@ -101,17 +101,19 @@ static int mxg_update_cache(AVFormatContext *s, unsigned int cache_size)
MXGContext *mxg = s->priv_data; MXGContext *mxg = s->priv_data;
unsigned int current_pos = mxg->buffer_ptr - mxg->buffer; unsigned int current_pos = mxg->buffer_ptr - mxg->buffer;
unsigned int soi_pos; unsigned int soi_pos;
uint8_t *buffer;
int ret; int ret;
/* reallocate internal buffer */ /* reallocate internal buffer */
if (current_pos > current_pos + cache_size) if (current_pos > current_pos + cache_size)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
soi_pos = mxg->soi_ptr - mxg->buffer; soi_pos = mxg->soi_ptr - mxg->buffer;
mxg->buffer = av_fast_realloc(mxg->buffer, &mxg->buffer_size, buffer = av_fast_realloc(mxg->buffer, &mxg->buffer_size,
current_pos + cache_size + current_pos + cache_size +
FF_INPUT_BUFFER_PADDING_SIZE); FF_INPUT_BUFFER_PADDING_SIZE);
if (!mxg->buffer) if (!buffer)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
mxg->buffer = buffer;
mxg->buffer_ptr = mxg->buffer + current_pos; mxg->buffer_ptr = mxg->buffer + current_pos;
if (mxg->soi_ptr) mxg->soi_ptr = mxg->buffer + soi_pos; if (mxg->soi_ptr) mxg->soi_ptr = mxg->buffer + soi_pos;