add gif support

[ffmpeg] / libavformat / img2.c

diff --git a/libavformat/img2.c b/libavformat/img2.c
index d3efc7a5b42624e38dcec1b4da9c42065879a4ef..2a08fa7b2471d2b6faed25d21855130f2384d199 100644 (file)
--- a/libavformat/img2.c
+++ b/libavformat/img2.c
@@ -3,25 +3,24 @@
  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
  * Copyright (c) 2004 Michael Niedermayer
  *
- * 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
  */
 #include "avformat.h"
 
-/* XXX: this is a hack */
-extern int loop_input;
-
 typedef struct {
     int img_first;
     int img_last;
@@ -52,6 +51,7 @@ static const IdStrMap img_tags[] = {
     { CODEC_ID_FFV1      , "ffv1-img"},
     { CODEC_ID_RAWVIDEO  , "y"},
     { CODEC_ID_BMP       , "bmp"},
+    { CODEC_ID_GIF       , "gif"},
     {0, NULL}
 };
 
@@ -107,7 +107,7 @@ static int find_image_range(int *pfirst_index, int *plast_index,
 
     /* find the first image */
     for(first_index = 0; first_index < 5; first_index++) {
-        if (get_frame_filename(buf, sizeof(buf), path, first_index) < 0){
+        if (av_get_frame_filename(buf, sizeof(buf), path, first_index) < 0){
             *pfirst_index =
             *plast_index = 1;
             return 0;
@@ -127,8 +127,8 @@ static int find_image_range(int *pfirst_index, int *plast_index,
                 range1 = 1;
             else
                 range1 = 2 * range;
-            if (get_frame_filename(buf, sizeof(buf), path,
-                                   last_index + range1) < 0)
+            if (av_get_frame_filename(buf, sizeof(buf), path,
+                                      last_index + range1) < 0)
                 goto fail;
             if (!url_exist(buf))
                 break;
@@ -152,7 +152,7 @@ static int find_image_range(int *pfirst_index, int *plast_index,
 
 static int image_probe(AVProbeData *p)
 {
-    if (filename_number_test(p->filename) >= 0 && av_str2id(img_tags, p->filename))
+    if (av_filename_number_test(p->filename) && av_str2id(img_tags, p->filename))
         return AVPROBE_SCORE_MAX;
     else
         return 0;
@@ -236,11 +236,11 @@ static int img_read_packet(AVFormatContext *s1, AVPacket *pkt)
 
     if (!s->is_pipe) {
         /* loop over input */
-        if (loop_input && s->img_number > s->img_last) {
+        if (s1->loop_input && s->img_number > s->img_last) {
             s->img_number = s->img_first;
         }
-        if (get_frame_filename(filename, sizeof(filename),
-                               s->path, s->img_number)<0 && s->img_number > 1)
+        if (av_get_frame_filename(filename, sizeof(filename),
+                                  s->path, s->img_number)<0 && s->img_number > 1)
             return AVERROR_IO;
         for(i=0; i<3; i++){
             if (url_fopen(f[i], filename, URL_RDONLY) < 0)
@@ -320,8 +320,8 @@ static int img_write_packet(AVFormatContext *s, AVPacket *pkt)
     int i;
 
     if (!img->is_pipe) {
-        if (get_frame_filename(filename, sizeof(filename),
-                               img->path, img->img_number) < 0 && img->img_number>1)
+        if (av_get_frame_filename(filename, sizeof(filename),
+                                  img->path, img->img_number) < 0 && img->img_number>1)
             return AVERROR_IO;
         for(i=0; i<3; i++){
             if (url_fopen(pb[i], filename, URL_WRONLY) < 0)