Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
 help / color / mirror / Atom feed
* [FFmpeg-devel] [PATCH] Add init_program_date_time so start time can be specified
@ 2023-10-17 15:51 Dave Johansen
  2023-10-18  1:09 ` epirat07
  0 siblings, 1 reply; 6+ messages in thread
From: Dave Johansen @ 2023-10-17 15:51 UTC (permalink / raw)
  To: ffmpeg-devel; +Cc: Dave Johansen

---
 doc/muxers.texi      | 3 +++
 libavformat/hlsenc.c | 7 ++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/doc/muxers.texi b/doc/muxers.texi
index f6071484ff..87c19a5cb9 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -1086,6 +1086,9 @@ seeking. This flag should be used with the @code{hls_time} option.
 @item program_date_time
 Generate @code{EXT-X-PROGRAM-DATE-TIME} tags.
 
+@item init_program_date_time
+Time to start program date time at.
+
 @item second_level_segment_index
 Makes it possible to use segment indexes as %%d in hls_segment_filename expression
 besides date/time values when strftime is on.
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index 4ef84c05c1..474322cc21 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -28,6 +28,8 @@
 #include <unistd.h>
 #endif
 
+#include "float.h"
+
 #include "libavutil/avassert.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/avstring.h"
@@ -212,6 +214,8 @@ typedef struct HLSContext {
     int64_t recording_time;
     int64_t max_seg_size; // every segment file max size
 
+    double init_program_date_time;
+
     char *baseurl;
     char *vtt_format_options_str;
     char *subtitle_filename;
@@ -2867,7 +2871,7 @@ static int hls_init(AVFormatContext *s)
     char *p = NULL;
     int http_base_proto = ff_is_http_proto(s->url);
     int fmp4_init_filename_len = strlen(hls->fmp4_init_filename) + 1;
-    double initial_program_date_time = av_gettime() / 1000000.0;
+    double initial_program_date_time = hls->init_program_date_time ? hls->init_program_date_time : av_gettime() / 1000000.0;
 
     if (hls->use_localtime) {
         pattern = get_default_pattern_localtime_fmt(s);
@@ -3141,6 +3145,7 @@ static const AVOption options[] = {
     {"split_by_time", "split the hls segment by time which user set by hls_time", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SPLIT_BY_TIME }, 0, UINT_MAX,   E, "flags"},
     {"append_list", "append the new segments into old hls segment list", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_APPEND_LIST }, 0, UINT_MAX,   E, "flags"},
     {"program_date_time", "add EXT-X-PROGRAM-DATE-TIME", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PROGRAM_DATE_TIME }, 0, UINT_MAX,   E, "flags"},
+    {"init_program_date_time", "Time to start program date time at", OFFSET(init_program_date_time), AV_OPT_TYPE_DOUBLE, {.dbl = 0 }, 0, DBL_MAX,   E},
     {"second_level_segment_index", "include segment index in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_INDEX }, 0, UINT_MAX,   E, "flags"},
     {"second_level_segment_duration", "include segment duration in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_DURATION }, 0, UINT_MAX,   E, "flags"},
     {"second_level_segment_size", "include segment size in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_SIZE }, 0, UINT_MAX,   E, "flags"},
-- 
2.39.2 (Apple Git-143)

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2023-10-27  4:01 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-10-17 15:51 [FFmpeg-devel] [PATCH] Add init_program_date_time so start time can be specified Dave Johansen
2023-10-18  1:09 ` epirat07
2023-10-18  1:14   ` David Johansen
2023-10-18 14:11     ` epirat07
2023-10-27  1:12       ` Dave Johansen
2023-10-27  4:00         ` David Johansen

Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
		ffmpegdev@gitmailbox.com
	public-inbox-index ffmpegdev

Example config snippet for mirrors.


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git