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support forward seeking in non seekable streams
Originally committed as revision 6340 to svn://svn.ffmpeg.org/ffmpeg/trunk
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parent
3b9a913db4
commit
398f5d3f1d
@ -22,6 +22,8 @@
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#define IO_BUFFER_SIZE 32768
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static void fill_buffer(ByteIOContext *s);
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int init_put_byte(ByteIOContext *s,
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unsigned char *buffer,
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int buffer_size,
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@ -122,6 +124,11 @@ offset_t url_fseek(ByteIOContext *s, offset_t offset, int whence)
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offset1 >= 0 && offset1 < (s->buf_end - s->buffer)) {
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/* can do the seek inside the buffer */
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s->buf_ptr = s->buffer + offset1;
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} else if(s->is_streamed && !s->write_flag &&
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offset1 >= 0 && offset1 < (s->buf_end - s->buffer) + (1<<16)){
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while(s->pos < offset && !s->eof_reached)
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fill_buffer(s);
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s->buf_ptr = s->buf_end + offset - s->pos;
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} else {
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#ifdef CONFIG_MUXERS
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if (s->write_flag) {
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