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authorReimar Döffinger <Reimar.Doeffinger@gmx.de>2007-01-19 22:54:50 +0000
committerReimar Döffinger <Reimar.Doeffinger@gmx.de>2007-01-19 22:54:50 +0000
commit40d9c544ac6efdc9a0aa42d2949ffb636cb7be01 (patch)
tree922f81f32a2a969689a69e5216b74fe76c5153fe
parentb8e705ec4511ec97ad641008ff397b9d8371dcc2 (diff)
Attempt to better document AVFMT_NOFILE.
Originally committed as revision 7590 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavformat/avformat.h3
-rw-r--r--libavformat/utils.c3
2 files changed, 5 insertions, 1 deletions
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 2c90e21ec9..63e1e83f4f 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -128,7 +128,8 @@ typedef struct AVFormatParameters {
enum CodecID audio_codec_id;
} AVFormatParameters;
-#define AVFMT_NOFILE 0x0001 /* no file should be opened */
+//! demuxer will use url_fopen, no opened file should be provided by the caller
+#define AVFMT_NOFILE 0x0001
#define AVFMT_NEEDNUMBER 0x0002 /* needs '%d' in filename */
#define AVFMT_SHOW_IDS 0x0008 /* show format stream IDs numbers */
#define AVFMT_RAWPICTURE 0x0020 /* format wants AVPicture structure for
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 07a483199d..7e25478cd3 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -270,6 +270,9 @@ int av_filename_number_test(const char *filename)
/**
* Guess file format.
+ *
+ * @param is_opened whether the file is already opened, determines whether
+ * demuxers with or without AVFMT_NOFILE are probed
*/
AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened)
{