From 33154a7188879cc98a43a05432c371a9265b7442 Mon Sep 17 00:00:00 2001 From: alex Date: Wed, 19 Feb 2003 16:55:14 +0000 Subject: gif library incompatibility fixes and prefere libungif over libgif. Patch by Joey Parrish git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9464 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpdemux/demux_gif.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'libmpdemux') diff --git a/libmpdemux/demux_gif.c b/libmpdemux/demux_gif.c index dbc6841212..e5dcb47b9b 100644 --- a/libmpdemux/demux_gif.c +++ b/libmpdemux/demux_gif.c @@ -24,9 +24,12 @@ static unsigned char *pallete = NULL; #define GIF_SIGNATURE (('G' << 16) | ('I' << 8) | 'F') +#ifndef HAVE_GIF_TVT_HACK +// not supported by certain versions of the library int my_read_gif(GifFileType *gif, uint8_t *buf, int len) { return stream_read(gif->UserData, buf, len); } +#endif int gif_check_file(demuxer_t *demuxer) { @@ -156,7 +159,17 @@ demuxer_t* demux_open_gif(demuxer_t* demuxer) // go back to the beginning stream_seek(demuxer->stream,demuxer->stream->start_pos); +#ifdef HAVE_GIF_TVT_HACK + // without the TVT functionality of libungif, a hard seek must be + // done to the beginning of the file. this is because libgif is + // unable to use mplayer's cache, and without this lseek libgif will + // not read from the beginning of the file and the command will fail. + // with this hack enabled, you will lose the ability to stream a GIF. + lseek(demuxer->stream->fd, 0, SEEK_SET); + gif = DGifOpenFileHandle(demuxer->stream->fd); +#else gif = DGifOpen(demuxer->stream, my_read_gif); +#endif if (!gif) { PrintGifError(); return NULL; -- cgit v1.2.3