diff options
| -rw-r--r-- | libavformat/internal.h | 17 | ||||
| -rw-r--r-- | libavformat/sdp.c | 9 |
2 files changed, 24 insertions, 2 deletions
diff --git a/libavformat/internal.h b/libavformat/internal.h index 789988019d..a395c2f24b 100644 --- a/libavformat/internal.h +++ b/libavformat/internal.h @@ -137,4 +137,21 @@ int ff_url_join(char *str, int size, const char *proto, const char *authorization, const char *hostname, int port, const char *fmt, ...); +/** + * Appends the media-specific SDP fragment for the media stream c + * to the buffer buff. + * + * Note, the buffer needs to be initialized, since it is appended to + * existing content. + * + * @param buff the buffer to append the SDP fragment to + * @param size the size of the buff buffer + * @param c the AVCodecContext of the media to describe + * @param dest_addr the destination address of the media stream, may be NULL + * @param port the destination port of the media stream, 0 if unknown + * @param ttl the time to live of the stream, 0 if not multicast + */ +void ff_sdp_write_media(char *buff, int size, AVCodecContext *c, + const char *dest_addr, int port, int ttl); + #endif /* AVFORMAT_INTERNAL_H */ diff --git a/libavformat/sdp.c b/libavformat/sdp.c index a8cab6a68f..6bf05dbe39 100644 --- a/libavformat/sdp.c +++ b/libavformat/sdp.c @@ -294,7 +294,7 @@ static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c, return buff; } -static void sdp_write_media(char *buff, int size, AVCodecContext *c, const char *dest_addr, int port, int ttl) +void ff_sdp_write_media(char *buff, int size, AVCodecContext *c, const char *dest_addr, int port, int ttl) { const char *type; int payload_type; @@ -352,7 +352,7 @@ int avf_sdp_create(AVFormatContext *ac[], int n_files, char *buff, int size) resolve_destination(dst, sizeof(dst)); } for (j = 0; j < ac[i]->nb_streams; j++) { - sdp_write_media(buff, size, + ff_sdp_write_media(buff, size, ac[i]->streams[j]->codec, dst[0] ? dst : NULL, (port > 0) ? port + j * 2 : 0, ttl); if (port <= 0) { @@ -369,4 +369,9 @@ int avf_sdp_create(AVFormatContext *ac[], int n_files, char *buff, int size) { return AVERROR(ENOSYS); } + +void ff_sdp_write_media(char *buff, int size, AVCodecContext *c, + const char *dest_addr, int port, int ttl) +{ +} #endif |