[FFmpeg-devel] [PATCH] Add initial program date time option (hls_init_prog_time)

[Steven Liu]

2016-12-18 10:10 GMT+08:00 Steven Liu <lingjiujianke at gmail.com>:

>
>
> 2016-12-17 15:58 GMT+08:00 Robert Nagy <ronag89 at gmail.com>:
>
>> From 14da4c9610ac0cf257b2c28f21899e854592e646 Mon Sep 17 00:00:00 2001
>> From: Jesper Ek <deadbeef84 at gmail.com>
>> Date: Wed, 7 Dec 2016 16:01:08 +0100
>> Subject: [PATCH] Add initial program date time option (hls_init_prog_time)
>>
>> It is often useful to specify the initial program date time, rather
>> than relying on the current system time. This commit adds an argument
>> option to specify the number of seconds since epoch.
>> ---
>>  libavformat/hlsenc.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
>> index d03cf02..a0c8cfc 100644
>> --- a/libavformat/hlsenc.c
>> +++ b/libavformat/hlsenc.c
>> @@ -791,7 +791,7 @@ static int hls_write_header(AVFormatContext *s)
>>      hls->recording_time = (hls->init_time ? hls->init_time : hls->time) *
>> AV_TIME_BASE;
>>      hls->start_pts      = AV_NOPTS_VALUE;
>>
>> -    if (hls->flags & HLS_PROGRAM_DATE_TIME) {
>> +    if (hls->flags & HLS_PROGRAM_DATE_TIME && hls->initial_prog_date_time
>> == 0) {
>>
> This maybe can more simple.
>
>>          time_t now0;
>>          time(&now0);
>>          hls->initial_prog_date_time = now0;
>> @@ -1101,6 +1101,7 @@ static const AVOption options[] = {
>>      {"start_number",  "set first number in the sequence",
>>  OFFSET(start_sequence),AV_OPT_TYPE_INT64,  {.i64 = 0},     0, INT64_MAX,
>> E},
>>      {"hls_time",      "set segment length in seconds",
>> OFFSET(time),    AV_OPT_TYPE_FLOAT,  {.dbl = 2},     0, FLT_MAX, E},
>>      {"hls_init_time", "set segment length in seconds at init list",
>>     OFFSET(init_time),    AV_OPT_TYPE_FLOAT,  {.dbl = 0},     0, FLT_MAX,
>> E},
>> +    {"hls_init_prog_time", "set initial program date time in seconds
>> since
>> epoch", OFFSET(initial_prog_date_time),    AV_OPT_TYPE_DOUBLE,  {.dbl =
>> 0},
>>     0, DBL_MAX, E},
>>      {"hls_list_size", "set maximum number of playlist entries",
>>  OFFSET(max_nb_segments),    AV_OPT_TYPE_INT,    {.i64 = 5},     0,
>> INT_MAX, E},
>>      {"hls_ts_options","set hls mpegts list of options for the container
>> format used for hls", OFFSET(format_options_str), AV_OPT_TYPE_STRING,
>> {.str
>> = NULL},  0, 0,    E},
>>      {"hls_vtt_options","set hls vtt list of options for the container
>> format used for hls", OFFSET(vtt_format_options_str), AV_OPT_TYPE_STRING,
>> {.str = NULL},  0, 0,    E},
>> --
>> 2.10.0
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>> ffmpeg-devel at ffmpeg.org
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>>
>
> patch broke by newline :(