[FFmpeg-devel] [PATCH] lavf: Make make_absolute_url a lavf internal function
Martin Storsjö
martin
Mon Mar 7 13:44:48 CET 2011
This is shared by both applehttp demuxer and protocol.
---
libavformat/applehttp.c | 55 +----------------------------------------
libavformat/applehttpproto.c | 55 +----------------------------------------
libavformat/internal.h | 11 ++++++++
libavformat/utils.c | 51 ++++++++++++++++++++++++++++++++++++++
4 files changed, 66 insertions(+), 106 deletions(-)
diff --git a/libavformat/applehttp.c b/libavformat/applehttp.c
index 5118d03..06298bb 100644
--- a/libavformat/applehttp.c
+++ b/libavformat/applehttp.c
@@ -86,57 +86,6 @@ static int read_chomp_line(AVIOContext *s, char *buf, int maxlen)
return len;
}
-static void make_absolute_url(char *buf, int size, const char *base,
- const char *rel)
-{
- char *sep;
- /* Absolute path, relative to the current server */
- if (base && strstr(base, "://") && rel[0] == '/') {
- if (base != buf)
- av_strlcpy(buf, base, size);
- sep = strstr(buf, "://");
- if (sep) {
- sep += 3;
- sep = strchr(sep, '/');
- if (sep)
- *sep = '\0';
- }
- av_strlcat(buf, rel, size);
- return;
- }
- /* If rel actually is an absolute url, just copy it */
- if (!base || strstr(rel, "://") || rel[0] == '/') {
- av_strlcpy(buf, rel, size);
- return;
- }
- if (base != buf)
- av_strlcpy(buf, base, size);
- /* Remove the file name from the base url */
- sep = strrchr(buf, '/');
- if (sep)
- sep[1] = '\0';
- else
- buf[0] = '\0';
- while (av_strstart(rel, "../", NULL) && sep) {
- /* Remove the path delimiter at the end */
- sep[0] = '\0';
- sep = strrchr(buf, '/');
- /* If the next directory name to pop off is "..", break here */
- if (!strcmp(sep ? &sep[1] : buf, "..")) {
- /* Readd the slash we just removed */
- av_strlcat(buf, "/", size);
- break;
- }
- /* Cut off the directory name */
- if (sep)
- sep[1] = '\0';
- else
- buf[0] = '\0';
- rel += 3;
- }
- av_strlcat(buf, rel, size);
-}
-
static void free_segment_list(struct variant *var)
{
int i;
@@ -183,7 +132,7 @@ static struct variant *new_variant(AppleHTTPContext *c, int bandwidth,
return NULL;
reset_packet(&var->pkt);
var->bandwidth = bandwidth;
- make_absolute_url(var->url, sizeof(var->url), base, url);
+ ff_make_absolute_url(var->url, sizeof(var->url), base, url);
dynarray_add(&c->variants, &c->n_variants, var);
return var;
}
@@ -274,7 +223,7 @@ static int parse_playlist(AppleHTTPContext *c, const char *url,
goto fail;
}
seg->duration = duration;
- make_absolute_url(seg->url, sizeof(seg->url), url, line);
+ ff_make_absolute_url(seg->url, sizeof(seg->url), url, line);
dynarray_add(&var->segments, &var->n_segments, seg);
is_segment = 0;
}
diff --git a/libavformat/applehttpproto.c b/libavformat/applehttpproto.c
index 471f94b..0f2ace5 100644
--- a/libavformat/applehttpproto.c
+++ b/libavformat/applehttpproto.c
@@ -75,57 +75,6 @@ static int read_chomp_line(AVIOContext *s, char *buf, int maxlen)
return len;
}
-static void make_absolute_url(char *buf, int size, const char *base,
- const char *rel)
-{
- char *sep;
- /* Absolute path, relative to the current server */
- if (base && strstr(base, "://") && rel[0] == '/') {
- if (base != buf)
- av_strlcpy(buf, base, size);
- sep = strstr(buf, "://");
- if (sep) {
- sep += 3;
- sep = strchr(sep, '/');
- if (sep)
- *sep = '\0';
- }
- av_strlcat(buf, rel, size);
- return;
- }
- /* If rel actually is an absolute url, just copy it */
- if (!base || strstr(rel, "://") || rel[0] == '/') {
- av_strlcpy(buf, rel, size);
- return;
- }
- if (base != buf)
- av_strlcpy(buf, base, size);
- /* Remove the file name from the base url */
- sep = strrchr(buf, '/');
- if (sep)
- sep[1] = '\0';
- else
- buf[0] = '\0';
- while (av_strstart(rel, "../", NULL) && sep) {
- /* Remove the path delimiter at the end */
- sep[0] = '\0';
- sep = strrchr(buf, '/');
- /* If the next directory name to pop off is "..", break here */
- if (!strcmp(sep ? &sep[1] : buf, "..")) {
- /* Readd the slash we just removed */
- av_strlcat(buf, "/", size);
- break;
- }
- /* Cut off the directory name */
- if (sep)
- sep[1] = '\0';
- else
- buf[0] = '\0';
- rel += 3;
- }
- av_strlcat(buf, rel, size);
-}
-
static void free_segment_list(AppleHTTPContext *s)
{
int i;
@@ -201,7 +150,7 @@ static int parse_playlist(URLContext *h, const char *url)
goto fail;
}
seg->duration = duration;
- make_absolute_url(seg->url, sizeof(seg->url), url, line);
+ ff_make_absolute_url(seg->url, sizeof(seg->url), url, line);
dynarray_add(&s->segments, &s->n_segments, seg);
is_segment = 0;
} else if (is_variant) {
@@ -211,7 +160,7 @@ static int parse_playlist(URLContext *h, const char *url)
goto fail;
}
var->bandwidth = bandwidth;
- make_absolute_url(var->url, sizeof(var->url), url, line);
+ ff_make_absolute_url(var->url, sizeof(var->url), url, line);
dynarray_add(&s->variants, &s->n_variants, var);
is_variant = 0;
}
diff --git a/libavformat/internal.h b/libavformat/internal.h
index 02a27e4..d5bfc33 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -239,4 +239,15 @@ AVChapter *ff_new_chapter(AVFormatContext *s, int id, AVRational time_base,
*/
void ff_reduce_index(AVFormatContext *s, int stream_index);
+/*
+ * Convert a relative url into an absolute url, given a base url.
+ *
+ * @param buf the buffer where output absolute url is written
+ * @param size the size of buf
+ * @param base the base url, may be equal to buf.
+ * @param rel the new url, which is interpreted relative to base
+ */
+void ff_make_absolute_url(char *buf, int size, const char *base,
+ const char *rel);
+
#endif /* AVFORMAT_INTERNAL_H */
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 91bc4a2..eded778 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -3815,3 +3815,54 @@ int ff_find_stream_index(AVFormatContext *s, int id)
}
return -1;
}
+
+void ff_make_absolute_url(char *buf, int size, const char *base,
+ const char *rel)
+{
+ char *sep;
+ /* Absolute path, relative to the current server */
+ if (base && strstr(base, "://") && rel[0] == '/') {
+ if (base != buf)
+ av_strlcpy(buf, base, size);
+ sep = strstr(buf, "://");
+ if (sep) {
+ sep += 3;
+ sep = strchr(sep, '/');
+ if (sep)
+ *sep = '\0';
+ }
+ av_strlcat(buf, rel, size);
+ return;
+ }
+ /* If rel actually is an absolute url, just copy it */
+ if (!base || strstr(rel, "://") || rel[0] == '/') {
+ av_strlcpy(buf, rel, size);
+ return;
+ }
+ if (base != buf)
+ av_strlcpy(buf, base, size);
+ /* Remove the file name from the base url */
+ sep = strrchr(buf, '/');
+ if (sep)
+ sep[1] = '\0';
+ else
+ buf[0] = '\0';
+ while (av_strstart(rel, "../", NULL) && sep) {
+ /* Remove the path delimiter at the end */
+ sep[0] = '\0';
+ sep = strrchr(buf, '/');
+ /* If the next directory name to pop off is "..", break here */
+ if (!strcmp(sep ? &sep[1] : buf, "..")) {
+ /* Readd the slash we just removed */
+ av_strlcat(buf, "/", size);
+ break;
+ }
+ /* Cut off the directory name */
+ if (sep)
+ sep[1] = '\0';
+ else
+ buf[0] = '\0';
+ rel += 3;
+ }
+ av_strlcat(buf, rel, size);
+}
--
1.7.3.1
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