From 53c25ee0736497b46bb76064cc2c84c976b2d295 Mon Sep 17 00:00:00 2001 From: Martin Storsjö Date: Wed, 2 Jan 2013 00:25:37 +0200 Subject: aviobuf: Discard old buffered, previously read data in ffio_read_partial MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This makes RTP custom IO work properly with pure read-only AVIOContexts as well. Signed-off-by: Martin Storsjö --- libavformat/aviobuf.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'libavformat/aviobuf.c') diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index 8f3e511fc4..d2eaf36b87 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -506,6 +506,13 @@ int ffio_read_partial(AVIOContext *s, unsigned char *buf, int size) len = s->buf_end - s->buf_ptr; if (len == 0) { + /* Reset the buf_end pointer to the start of the buffer, to make sure + * the fill_buffer call tries to read as much data as fits into the + * full buffer, instead of just what space is left after buf_end. + * This avoids returning partial packets at the end of the buffer, + * for packet based inputs. + */ + s->buf_end = s->buf_ptr = s->buffer; fill_buffer(s); len = s->buf_end - s->buf_ptr; } -- cgit v1.2.3