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| author | Steven Liu <lq@chinaffmpeg.org> | 2018-04-13 15:39:49 +0800 |
|---|---|---|
| committer | Steven Liu <lq@chinaffmpeg.org> | 2018-04-13 15:39:49 +0800 |
| commit | 987026adda79be4bbc541e12c5c6796b43f84bc1 (patch) | |
| tree | a72ed8b6d14b17fe33d977f4520a7598fb784d36 /libavformat/hlsenc.c | |
| parent | 9e857aa00e1035f25b220f51f46e06148b9ae4f9 (diff) | |
| download | ffmpeg-987026adda79be4bbc541e12c5c6796b43f84bc1.tar.gz | |
avformat/hlsenc: add option hls_delete_threshold
When using hls_list_size with hls_flags delete_segments, currently
hls_list_size * 2 +- segments remain on disk. With this new option,
the amount of disk space used can be controlled by the user.
fix ticket: #7131
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
Signed-off-by: Aman Gupta <aman@tmm1.net>
Diffstat (limited to 'libavformat/hlsenc.c')
| -rw-r--r-- | libavformat/hlsenc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c index 01a06d8b26..c7540166ab 100644 --- a/libavformat/hlsenc.c +++ b/libavformat/hlsenc.c @@ -173,6 +173,7 @@ typedef struct HLSContext { float time; // Set by a private option. float 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 int wrap; // Set by a private option. #endif @@ -445,6 +446,7 @@ static int hls_delete_old_segments(AVFormatContext *s, HLSContext *hls, HLSSegment *segment, *previous_segment = NULL; float playlist_duration = 0.0f; int ret = 0, path_size, sub_path_size; + int segment_cnt = 0; char *dirname = NULL, *p, *sub_path; char *path = NULL; AVDictionary *options = NULL; @@ -458,14 +460,20 @@ static int hls_delete_old_segments(AVFormatContext *s, HLSContext *hls, } segment = vs->old_segments; + segment_cnt = 0; while (segment) { playlist_duration -= segment->duration; previous_segment = segment; segment = previous_segment->next; + segment_cnt++; if (playlist_duration <= -previous_segment->duration) { previous_segment->next = NULL; break; } + if (segment_cnt >= hls->hls_delete_threshold) { + previous_segment->next = NULL; + break; + } } if (segment && !hls->use_localtime_mkdir) { @@ -2791,6 +2799,7 @@ static const AVOption options[] = { {"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_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_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}, #if FF_API_HLS_WRAP |