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| author | Michael Niedermayer <michaelni@gmx.at> | 2006-09-26 17:09:03 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2006-09-26 17:09:03 +0000 |
| commit | 398f5d3f1db27393d1b03ad7dd26cb1d82b9448b (patch) | |
| tree | 0362336d629c0f20b979cbbb3685a34878d68d32 /libavformat | |
| parent | 3b9a913db4d303a0305a80de496b1933cba8980f (diff) | |
| download | ffmpeg-398f5d3f1db27393d1b03ad7dd26cb1d82b9448b.tar.gz | |
support forward seeking in non seekable streams
Originally committed as revision 6340 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/aviobuf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index ef72c195c1..dced0d2df9 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -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 @@ offset_t url_fseek(ByteIOContext *s, offset_t offset, int whence) 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) { |