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Reuse buffer in priv context instead of allocating the 32kB probe buffer

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on the stack.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29953 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2009-11-22 13:06:44 +00:00
parent 4d55629cd6
commit 054d1889ef
1 changed files with 3 additions and 4 deletions
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7
libmpdemux/demux_lavf.c
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@ -67,7 +67,7 @@ typedef struct lavf_priv_t{
AVInputFormat *avif;
AVFormatContext *avfc;
ByteIOContext *pb;
uint8_t buffer[BIO_BUFFER_SIZE];
uint8_t buffer[FFMAX(BIO_BUFFER_SIZE, PROBE_BUF_SIZE)];
int audio_streams;
int video_streams;
int sub_streams;
@ -131,7 +131,6 @@ static void list_formats(void) {
static int lavf_check_file(demuxer_t *demuxer){
AVProbeData avpd;
uint8_t buf[PROBE_BUF_SIZE];
lavf_priv_t *priv;
int probe_data_size;
@ -155,11 +154,11 @@ static int lavf_check_file(demuxer_t *demuxer){
return DEMUXER_TYPE_LAVF;
}
probe_data_size = stream_read(demuxer->stream, buf, PROBE_BUF_SIZE);
probe_data_size = stream_read(demuxer->stream, priv->buffer, PROBE_BUF_SIZE);
if(probe_data_size <= 0)
return 0;
avpd.filename= demuxer->stream->url;
avpd.buf= buf;
avpd.buf= priv->buffer;
avpd.buf_size= probe_data_size;
priv->avif= av_probe_input_format(&avpd, 1);