X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fgif.c;h=a5d81fbbcf9ae4006c0313d441e3803a5446b9cd;hb=08f87a9c99b4625135f31bb25e018ba5505d7f07;hp=c82d174f1ac2f8770bb32ecd8cb8d7f4b4938177;hpb=a7702890bd470fc1683578609b7e1c5a2acfcd94;p=ffmpeg

diff --git a/libavformat/gif.c b/libavformat/gif.c
index c82d174f1ac..a5d81fbbcf9 100644
--- a/libavformat/gif.c
+++ b/libavformat/gif.c
@@ -1,19 +1,21 @@
 /*
- * Animated GIF encoder
+ * Animated GIF muxer
  * Copyright (c) 2000 Fabrice Bellard.
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -339,8 +341,10 @@ static int gif_write_header(AVFormatContext *s)
 //        rate = video_enc->time_base.den;
     }
 
-    /* XXX: is it allowed ? seems to work so far... */
-    video_enc->pix_fmt = PIX_FMT_RGB24;
+    if (video_enc->pix_fmt != PIX_FMT_RGB24) {
+        av_log(s, AV_LOG_ERROR, "ERROR: gif only handles the rgb24 pixel format. Use -pix_fmt rgb24.\n");
+        return AVERROR(EIO);
+    }
 
     gif_image_write_header(pb, width, height, loop_count, NULL);
 
@@ -401,20 +405,7 @@ static int gif_write_trailer(AVFormatContext *s)
     return 0;
 }
 
-/* better than nothing gif image writer */
-int gif_write(ByteIOContext *pb, AVImageInfo *info)
-{
-    gif_image_write_header(pb, info->width, info->height, AVFMT_NOOUTPUTLOOP,
-                           (uint32_t *)info->pict.data[1]);
-    gif_image_write_image(pb, 0, 0, info->width, info->height,
-                          info->pict.data[0], info->pict.linesize[0],
-                          PIX_FMT_PAL8);
-    put_byte(pb, 0x3b);
-    put_flush_packet(pb);
-    return 0;
-}
-
-static AVOutputFormat gif_oformat = {
+AVOutputFormat gif_muxer = {
     "gif",
     "GIF Animation",
     "image/gif",
@@ -426,12 +417,3 @@ static AVOutputFormat gif_oformat = {
     gif_write_packet,
     gif_write_trailer,
 };
-
-extern AVInputFormat gif_iformat;
-
-int gif_init(void)
-{
-    av_register_output_format(&gif_oformat);
-    av_register_input_format(&gif_iformat);
-    return 0;
-}