From 57060f8936e1d28ef328ed7a3999ec478bddc2a6 Mon Sep 17 00:00:00 2001 From: David Conrad Date: Fri, 18 Aug 2006 16:48:35 +0000 Subject: AVI tag reading and writing patch by David Conrad. umovimus at gmail dot com Originally committed as revision 6022 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/avidec.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'libavformat/avidec.c') diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 1c4ee6affe..fd50c86508 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -180,6 +180,15 @@ static void clean_index(AVFormatContext *s){ } } +static int avi_read_tag(ByteIOContext *pb, char *buf, int maxlen, unsigned int size) +{ + offset_t i = url_ftell(pb); + size += (size & 1); + get_strz(pb, buf, maxlen); + url_fseek(pb, i+size, SEEK_SET); + return 0; +} + static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap) { AVIContext *avi = s->priv_data; @@ -438,6 +447,21 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap) } url_fseek(pb, i+size, SEEK_SET); break; + case MKTAG('I', 'N', 'A', 'M'): + avi_read_tag(pb, s->title, sizeof(s->title), size); + break; + case MKTAG('I', 'A', 'R', 'T'): + avi_read_tag(pb, s->author, sizeof(s->author), size); + break; + case MKTAG('I', 'C', 'O', 'P'): + avi_read_tag(pb, s->copyright, sizeof(s->copyright), size); + break; + case MKTAG('I', 'C', 'M', 'T'): + avi_read_tag(pb, s->comment, sizeof(s->comment), size); + break; + case MKTAG('I', 'G', 'N', 'R'): + avi_read_tag(pb, s->genre, sizeof(s->genre), size); + break; default: /* skip tag */ size += (size & 1); -- cgit v1.2.3