avio_flush() did nothing useful for read streams. Fix it to behave as expected, and discard the currently read buffer properly. --- Since avio_flush() was just broken for read streams, I don't think this needs to be treated as an API-change. --- libavformat/avio.h | 8 ++++++-- libavformat/aviobuf.c | 2 ++ 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/libavformat/avio.h b/libavformat/avio.h index 2210c01..86f754e 100644 --- a/libavformat/avio.h +++ b/libavformat/avio.h @@ -289,10 +289,14 @@ int url_feof(AVIOContext *s); int avio_printf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3); /** - * Force flushing of buffered data to the output s. + * Force flushing of buffered data. * - * Force the buffered data to be immediately written to the output, + * For write streams, force the buffered data to be immediately written to the output, * without to wait to fill the internal buffer. + * + * For read streams, discard all currently buffered data, and advance the + * reported file position to that of the underlying stream. This does not + * read new data, and does not perform any seeks. */ void avio_flush(AVIOContext *s); diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index 9795ba4..b8586bd 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -148,6 +148,8 @@ static void flush_buffer(AVIOContext *s) } } s->buf_ptr = s->buffer; + if (!s->write_flag) + s->buf_end = s->buffer; } void avio_w8(AVIOContext *s, int b) -- 2.1.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel