From 38caef3876bb968cf85f44b20f6efb94fcb4b3ef Mon Sep 17 00:00:00 2001 From: Limin Wang Date: Sun, 17 Jan 2021 09:07:28 +0800 Subject: [PATCH] avformat/hlsenc: use AV_OPT_TYPE_DURATION Signed-off-by: Limin Wang --- doc/muxers.texi | 15 +++++++++++---- libavformat/hlsenc.c | 18 +++++++++--------- 2 files changed, 20 insertions(+), 13 deletions(-) diff --git a/doc/muxers.texi b/doc/muxers.texi index 8e12acaa280..1f9f2937f8a 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -609,14 +609,21 @@ segmentation. This muxer supports the following options: @table @option -@item hls_init_time @var{seconds} -Set the initial target segment length in seconds. Default value is @var{0}. +@item hls_init_time @var{duration} +Set the initial target segment length. Default value is @var{0}. + +@var{duration} must be a time duration specification, +see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}. + Segment will be cut on the next key frame after this time has passed on the first m3u8 list. After the initial playlist is filled @command{ffmpeg} will cut segments at duration equal to @code{hls_time} -@item hls_time @var{seconds} -Set the target segment length in seconds. Default value is 2. +@item hls_time @var{duration} +Set the target segment length. Default value is 2. + +@var{duration} must be a time duration specification, +see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}. Segment will be cut on the next key frame after this time has passed. @item hls_list_size @var{size} diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c index 4b66f436dd8..7d97ce17891 100644 --- a/libavformat/hlsenc.c +++ b/libavformat/hlsenc.c @@ -196,8 +196,8 @@ typedef struct HLSContext { int64_t start_sequence; uint32_t start_sequence_source_type; // enum StartSequenceSourceType - float time; // Set by a private option. - float init_time; // Set by a private option. + int64_t time; // Set by a private option. + int64_t init_time; // Set by a private option. int max_nb_segments; // Set by a private option. int hls_delete_threshold; // Set by a private option. #if FF_API_HLS_WRAP @@ -2458,9 +2458,9 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt) if (vs->sequence - vs->nb_entries > hls->start_sequence && hls->init_time > 0) { /* reset end_pts, hls->recording_time at end of the init hls list */ - int64_t init_list_dur = hls->init_time * vs->nb_entries * AV_TIME_BASE; - int64_t after_init_list_dur = (vs->sequence - hls->start_sequence - vs->nb_entries) * (hls->time * AV_TIME_BASE); - hls->recording_time = hls->time * AV_TIME_BASE; + int64_t init_list_dur = hls->init_time * vs->nb_entries; + int64_t after_init_list_dur = (vs->sequence - hls->start_sequence - vs->nb_entries) * hls->time; + hls->recording_time = hls->time; end_pts = init_list_dur + after_init_list_dur ; } @@ -2945,7 +2945,7 @@ static int hls_init(AVFormatContext *s) av_log(hls, AV_LOG_DEBUG, "start_number evaluated to %"PRId64"\n", hls->start_sequence); } - hls->recording_time = (hls->init_time ? hls->init_time : hls->time) * AV_TIME_BASE; + hls->recording_time = hls->init_time ? hls->init_time : hls->time; if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) { // Independent segments cannot be guaranteed when splitting by time @@ -3098,7 +3098,7 @@ static int hls_init(AVFormatContext *s) av_log(s, AV_LOG_WARNING, "append_list mode does not support hls_init_time," " hls_init_time value will have no effect\n"); hls->init_time = 0; - hls->recording_time = hls->time * AV_TIME_BASE; + hls->recording_time = hls->time; } } @@ -3114,8 +3114,8 @@ static int hls_init(AVFormatContext *s) #define E AV_OPT_FLAG_ENCODING_PARAM 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_time", "set segment length", OFFSET(time), AV_OPT_TYPE_DURATION, {.i64 = 2000000}, 0, INT64_MAX, E}, + {"hls_init_time", "set segment length at init list", OFFSET(init_time), AV_OPT_TYPE_DURATION, {.i64 = 0}, 0, INT64_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_delete_threshold", "set number of unreferenced segments to keep before deleting", OFFSET(hls_delete_threshold), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, E}, {"hls_ts_options","set hls mpegts list of options for the container format used for hls", OFFSET(format_options), AV_OPT_TYPE_DICT, {.str = NULL}, 0, 0, E}, -- 2.39.2