> On 23 Mar 2018, at 13:20, vdi...@akamai.com wrote:
>
> From: Vishwanath Dixit <vdi...@akamai.com>
>
> ---
> doc/muxers.texi | 2 +-
> libavformat/dashenc.c | 10 +++++-----
> 2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/doc/muxers.texi b/doc/muxers.texi
> index cb75c26..65eec92 100644
> --- a/doc/muxers.texi
> +++ b/doc/muxers.texi
> @@ -225,7 +225,7 @@ ffmpeg -re -i <input> -map 0 -map 0 -c:a libfdk_aac -c:v
> libx264
> @end example
>
> @table @option
> -@item -min_seg_duration @var{microseconds}
> +@item -seg_duration @var{microseconds}
> Set the segment length in microseconds.
> @item -window_size @var{size}
> Set the maximum number of segments kept in the manifest.
> diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
> index bdf8c8d..bdd5b56 100644
> --- a/libavformat/dashenc.c
> +++ b/libavformat/dashenc.c
> @@ -94,7 +94,7 @@ typedef struct DASHContext {
> int nb_as;
> int window_size;
> int extra_window_size;
> - int min_seg_duration;
> + int seg_duration;
> int remove_at_exit;
> int use_template;
> int use_timeline;
> @@ -974,7 +974,7 @@ static int dash_init(AVFormatContext *s)
> else
> av_dict_set(&opts, "movflags", "frag_custom+dash+delay_moov",
> 0);
> } else {
> - av_dict_set_int(&opts, "cluster_time_limit", c->min_seg_duration
> / 1000, 0);
> + av_dict_set_int(&opts, "cluster_time_limit", c->seg_duration /
> 1000, 0);
> av_dict_set_int(&opts, "cluster_size_limit", 5 * 1024 * 1024, 0);
> // set a large cluster size limit
> av_dict_set_int(&opts, "dash", 1, 0);
> av_dict_set_int(&opts, "dash_track_number", i + 1, 0);
> @@ -1020,7 +1020,7 @@ static int dash_init(AVFormatContext *s)
> os->segment_index = 1;
> }
>
> - if (!c->has_video && c->min_seg_duration <= 0) {
> + if (!c->has_video && c->seg_duration <= 0) {
> av_log(s, AV_LOG_WARNING, "no video stream and no min seg duration
> set\n");
> return AVERROR(EINVAL);
> }
> @@ -1287,7 +1287,7 @@ static int dash_write_packet(AVFormatContext *s,
> AVPacket *pkt)
> if ((!c->has_video || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) &&
> pkt->flags & AV_PKT_FLAG_KEY && os->packets_written &&
> av_compare_ts(pkt->pts - os->start_pts, st->time_base,
> - c->min_seg_duration, AV_TIME_BASE_Q) >= 0) {
> + c->seg_duration, AV_TIME_BASE_Q) >= 0) {
> int64_t prev_duration = c->last_duration;
>
> c->last_duration = av_rescale_q(pkt->pts - os->start_pts,
> @@ -1427,7 +1427,7 @@ static const AVOption options[] = {
> { "adaptation_sets", "Adaptation sets. Syntax: id=0,streams=0,1,2
> id=1,streams=3,4 and so on", OFFSET(adaptation_sets), AV_OPT_TYPE_STRING, { 0
> }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },
> { "window_size", "number of segments kept in the manifest",
> OFFSET(window_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, E },
> { "extra_window_size", "number of segments kept outside of the manifest
> before removing from disk", OFFSET(extra_window_size), AV_OPT_TYPE_INT, {
> .i64 = 5 }, 0, INT_MAX, E },
> - { "min_seg_duration", "minimum segment duration (in microseconds)",
> OFFSET(min_seg_duration), AV_OPT_TYPE_INT, { .i64 = 5000000 }, 0, INT_MAX, E
> },
> + { "seg_duration", "minimum segment duration (in microseconds)",
> OFFSET(seg_duration), AV_OPT_TYPE_INT, { .i64 = 5000000 }, 0, INT_MAX, E },
No, you can make the min_seg_duration deprecated, leave a warning message,
update the info into the document, and add set_duration here, bump the version.
So that can give the user some time to change the options from min_seg_duration
to seg_duration.
> { "remove_at_exit", "remove all segments when finished",
> OFFSET(remove_at_exit), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
> { "use_template", "Use SegmentTemplate instead of SegmentList",
> OFFSET(use_template), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, E },
> { "use_timeline", "Use SegmentTimeline in SegmentTemplate",
> OFFSET(use_timeline), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, E },
> --
> 1.9.1
>
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> ffmpeg-devel@ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
Thanks
Steven
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