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avformat/hlsenc: add a use_localtime option to expand the segment filename with localtime

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test examples:

./ffmpeg -re -i ~/Movies/objectC/facebook.mp4 -v verbose -c copy -f hls -hls_segment_filename test-%s.ts -use_localtime 1 -bsf:v h264_mp4toannexb aaa.m3u8

[StevenLiu@localhost ffmpeg]$ cat aaa.m3u8;ll test-*.ts
test-1441052221.ts
test-1441052231.ts
test-1441052235.ts
test-1441052243.ts
test-1441052249.ts
-rw-r--r--  1 StevenLiu  staff  1310736  9  1 04:15 test-1441052131.ts
-rw-r--r--  1 StevenLiu  staff   495192  9  1 04:15 test-1441052141.ts
-rw-r--r--  1 StevenLiu  staff  1310736  9  1 04:17 test-1441052212.ts
-rw-r--r--  1 StevenLiu  staff  1067840  9  1 04:17 test-1441052221.ts
-rw-r--r--  1 StevenLiu  staff   235564  9  1 04:17 test-1441052231.ts
-rw-r--r--  1 StevenLiu  staff  1187220  9  1 04:17 test-1441052235.ts
-rw-r--r--  1 StevenLiu  staff   694848  9  1 04:17 test-1441052243.ts
-rw-r--r--  1 StevenLiu  staff   526588  9  1 04:17 test-1441052249.ts
[StevenLiu@localhost ffmpeg]$

./ffmpeg -re -i ~/Movies/objectC/facebook.mp4 -v verbose -c copy -f hls -hls_segment_filename test-%s.ts -use_localtime 1 -bsf:v h264_mp4toannexb aaa.m3u8

[StevenLiu@localhost ffmpeg]$ cat aaa.m3u8;ll aaa-*.ts
aaa-1441052417.ts
aaa-1441052427.ts
aaa-1441052437.ts
aaa-1441052440.ts
aaa-1441052449.ts
-rw-r--r--  1 StevenLiu  staff  1310736  9  1 04:19 aaa-1441052382.ts
-rw-r--r--  1 StevenLiu  staff   277300  9  1 04:19 aaa-1441052392.ts
-rw-r--r--  1 StevenLiu  staff  1310736  9  1 04:20 aaa-1441052417.ts
-rw-r--r--  1 StevenLiu  staff  1067840  9  1 04:20 aaa-1441052427.ts
-rw-r--r--  1 StevenLiu  staff   235564  9  1 04:20 aaa-1441052437.ts
-rw-r--r--  1 StevenLiu  staff  1187220  9  1 04:20 aaa-1441052440.ts
-rw-r--r--  1 StevenLiu  staff   338776  9  1 04:20 aaa-1441052449.ts
[StevenLiu@localhost ffmpeg]$

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
LiuQi 2015-09-01 04:10:15 +08:00 committed by Michael Niedermayer
parent 62bd8deef9
commit a4055d3e5d
1 changed files with 25 additions and 4 deletions
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29
libavformat/hlsenc.c
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@ -32,6 +32,7 @@
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavutil/log.h"
#include "libavutil/time_internal.h"
#include "avformat.h"
#include "internal.h"
@ -79,6 +80,7 @@ typedef struct HLSContext {
uint32_t flags; // enum HLSFlags
char *segment_filename;
int use_localtime; ///< flag to expand filename with localtime
int allowcache;
int64_t recording_time;
int has_video;
@ -479,9 +481,18 @@ static int hls_start(AVFormatContext *s)
av_strlcpy(vtt_oc->filename, c->vtt_basename,
sizeof(vtt_oc->filename));
} else {
if (av_get_frame_filename(oc->filename, sizeof(oc->filename),
if (c->use_localtime) {
time_t now0;
struct tm *tm, tmpbuf;
time(&now0);
tm = localtime_r(&now0, &tmpbuf);
if (!strftime(oc->filename, sizeof(oc->filename), c->basename, tm)) {
av_log(oc, AV_LOG_ERROR, "Could not get segment filename with use_localtime\n");
return AVERROR(EINVAL);
}
} else if (av_get_frame_filename(oc->filename, sizeof(oc->filename),
c->basename, c->wrap ? c->sequence % c->wrap : c->sequence) < 0) {
av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s'\n", c->basename);
av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s' you can try use -use_localtime 1 with it\n", c->basename);
return AVERROR(EINVAL);
}
if( c->vtt_basename) {
@ -542,6 +553,7 @@ static int hls_write_header(AVFormatContext *s)
int ret, i;
char *p;
const char *pattern = "%d.ts";
const char *pattern_localtime_fmt = "-%s.ts";
const char *vtt_pattern = "%d.vtt";
AVDictionary *options = NULL;
int basename_size;
@ -596,7 +608,11 @@ static int hls_write_header(AVFormatContext *s)
if (hls->flags & HLS_SINGLE_FILE)
pattern = ".ts";
basename_size = strlen(s->filename) + strlen(pattern) + 1;
if (hls->use_localtime) {
basename_size = strlen(s->filename) + strlen(pattern_localtime_fmt) + 1;
} else {
basename_size = strlen(s->filename) + strlen(pattern) + 1;
}
hls->basename = av_malloc(basename_size);
if (!hls->basename) {
ret = AVERROR(ENOMEM);
@ -608,7 +624,11 @@ static int hls_write_header(AVFormatContext *s)
p = strrchr(hls->basename, '.');
if (p)
*p = '\0';
av_strlcat(hls->basename, pattern, basename_size);
if (hls->use_localtime) {
av_strlcat(hls->basename, pattern_localtime_fmt, basename_size);
} else {
av_strlcat(hls->basename, pattern, basename_size);
}
}
if(hls->has_subtitle) {
@ -817,6 +837,7 @@ static const AVOption options[] = {
{"round_durations", "round durations in m3u8 to whole numbers", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_ROUND_DURATIONS }, 0, UINT_MAX, E, "flags"},
{"discont_start", "start the playlist with a discontinuity tag", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_DISCONT_START }, 0, UINT_MAX, E, "flags"},
{"omit_endlist", "Do not append an endlist when ending stream", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_OMIT_ENDLIST }, 0, UINT_MAX, E, "flags"},
{ "use_localtime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 1, E },
{ NULL },
};