[Ffmpeg-cvslog] r6340 - trunk/libavformat/aviobuf.c
michael
subversion
Tue Sep 26 19:09:04 CEST 2006
Author: michael
Date: Tue Sep 26 19:09:03 2006
New Revision: 6340
Modified:
trunk/libavformat/aviobuf.c
Log:
support forward seeking in non seekable streams
Modified: trunk/libavformat/aviobuf.c
==============================================================================
--- trunk/libavformat/aviobuf.c (original)
+++ trunk/libavformat/aviobuf.c Tue Sep 26 19:09:03 2006
@@ -22,6 +22,8 @@
#define IO_BUFFER_SIZE 32768
+static void fill_buffer(ByteIOContext *s);
+
int init_put_byte(ByteIOContext *s,
unsigned char *buffer,
int buffer_size,
@@ -122,6 +124,11 @@
offset1 >= 0 && offset1 < (s->buf_end - s->buffer)) {
/* can do the seek inside the buffer */
s->buf_ptr = s->buffer + offset1;
+ } else if(s->is_streamed && !s->write_flag &&
+ offset1 >= 0 && offset1 < (s->buf_end - s->buffer) + (1<<16)){
+ while(s->pos < offset && !s->eof_reached)
+ fill_buffer(s);
+ s->buf_ptr = s->buf_end + offset - s->pos;
} else {
#ifdef CONFIG_MUXERS
if (s->write_flag) {
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