summaryrefslogtreecommitdiff
path: root/libavformat/segment.c
diff options
context:
space:
mode:
authorMartin Storsjö <martin@martin.st>2012-10-02 23:49:46 +0200
committerMartin Storsjö <martin@martin.st>2012-10-04 13:52:09 +0300
commit378a6315b7c48195ffd94e6aa9aa6d663d42b35e (patch)
treec2882ed2d6dafd4c9b3c2d4390760ef73e7dff50 /libavformat/segment.c
parenteb447d515956b3ce182d9750083131735f00324c (diff)
segment: Add an option for disabling writing of a header/trailer to each segment
Some segmented formats (such as fragmented mp4) are "bare", as in, the segment files do not have the same headers/trailers as full normal files of that format have. Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat/segment.c')
-rw-r--r--libavformat/segment.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/libavformat/segment.c b/libavformat/segment.c
index efd8f8246d..53b8a239b5 100644
--- a/libavformat/segment.c
+++ b/libavformat/segment.c
@@ -40,6 +40,7 @@ typedef struct {
float time; /**< Set by a private option. */
int size; /**< Set by a private option. */
int wrap; /**< Set by a private option. */
+ int individual_header_trailer; /**< Set by a private option. */
int64_t offset_time;
int64_t recording_time;
int has_video;
@@ -70,17 +71,19 @@ static int segment_mux_init(AVFormatContext *s)
return 0;
}
-static int segment_start(AVFormatContext *s)
+static int segment_start(AVFormatContext *s, int write_header)
{
SegmentContext *c = s->priv_data;
AVFormatContext *oc = c->avf;
int err = 0;
- avformat_free_context(oc);
- c->avf = NULL;
- if ((err = segment_mux_init(s)) < 0)
- return err;
- oc = c->avf;
+ if (write_header) {
+ avformat_free_context(oc);
+ c->avf = NULL;
+ if ((err = segment_mux_init(s)) < 0)
+ return err;
+ oc = c->avf;
+ }
if (c->wrap)
c->number %= c->wrap;
@@ -93,17 +96,20 @@ static int segment_start(AVFormatContext *s)
&s->interrupt_callback, NULL)) < 0)
return err;
- if ((err = avformat_write_header(oc, NULL)) < 0)
- return err;
+ if (write_header) {
+ if ((err = avformat_write_header(oc, NULL)) < 0)
+ return err;
+ }
return 0;
}
-static int segment_end(AVFormatContext *oc)
+static int segment_end(AVFormatContext *oc, int write_trailer)
{
int ret = 0;
- av_write_trailer(oc);
+ if (write_trailer)
+ av_write_trailer(oc);
avio_close(oc->pb);
return ret;
@@ -196,10 +202,10 @@ static int seg_write_packet(AVFormatContext *s, AVPacket *pkt)
av_log(s, AV_LOG_DEBUG, "Next segment starts at %d %"PRId64"\n",
pkt->stream_index, pkt->pts);
- ret = segment_end(oc);
+ ret = segment_end(oc, seg->individual_header_trailer);
if (!ret)
- ret = segment_start(s);
+ ret = segment_start(s, seg->individual_header_trailer);
if (ret)
goto fail;
@@ -249,6 +255,7 @@ static const AVOption options[] = {
{ "segment_list", "output the segment list", OFFSET(list), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E },
{ "segment_list_size", "maximum number of playlist entries", OFFSET(size), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E },
{ "segment_wrap", "number after which the index wraps", OFFSET(wrap), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E },
+ { "individual_header_trailer", "write header/trailer to each segment", OFFSET(individual_header_trailer), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, E },
{ NULL },
};