diff options
Diffstat (limited to 'libavformat/hlsenc.c')
-rw-r--r-- | libavformat/hlsenc.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c index d36d3fb65e..12bd07b2d4 100644 --- a/libavformat/hlsenc.c +++ b/libavformat/hlsenc.c @@ -2,20 +2,20 @@ * Apple HTTP Live Streaming segmenter * Copyright (c) 2012, Luca Barbato * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -33,7 +33,7 @@ typedef struct ListEntry { char name[1024]; - int duration; + double duration; struct ListEntry *next; } ListEntry; @@ -51,7 +51,7 @@ typedef struct HLSContext { int has_video; int64_t start_pts; int64_t end_pts; - int64_t duration; // last segment duration computed so far, in seconds + double duration; // last segment duration computed so far, in seconds int nb_entries; ListEntry *list; ListEntry *end_list; @@ -72,6 +72,7 @@ static int hls_mux_init(AVFormatContext *s) oc->oformat = hls->oformat; oc->interrupt_callback = s->interrupt_callback; + av_dict_copy(&oc->metadata, s->metadata, 0); for (i = 0; i < s->nb_streams; i++) { AVStream *st; @@ -84,7 +85,7 @@ static int hls_mux_init(AVFormatContext *s) return 0; } -static int append_entry(HLSContext *hls, uint64_t duration) +static int append_entry(HLSContext *hls, double duration) { ListEntry *en = av_malloc(sizeof(*en)); @@ -103,7 +104,7 @@ static int append_entry(HLSContext *hls, uint64_t duration) hls->end_list = en; - if (hls->nb_entries >= hls->size) { + if (hls->size && hls->nb_entries >= hls->size) { en = hls->list; hls->list = en->next; av_free(en); @@ -132,7 +133,7 @@ static int hls_window(AVFormatContext *s, int last) ListEntry *en; int target_duration = 0; int ret = 0; - int64_t sequence = FFMAX(hls->start_sequence, hls->sequence - hls->size); + int64_t sequence = FFMAX(hls->start_sequence, hls->sequence - hls->nb_entries); if ((ret = avio_open2(&hls->pb, s->filename, AVIO_FLAG_WRITE, &s->interrupt_callback, NULL)) < 0) @@ -140,7 +141,7 @@ static int hls_window(AVFormatContext *s, int last) for (en = hls->list; en; en = en->next) { if (target_duration < en->duration) - target_duration = en->duration; + target_duration = (int) floor(en->duration + 0.5); } avio_printf(hls->pb, "#EXTM3U\n"); @@ -152,7 +153,7 @@ static int hls_window(AVFormatContext *s, int last) sequence); for (en = hls->list; en; en = en->next) { - avio_printf(hls->pb, "#EXTINF:%d,\n", en->duration); + avio_printf(hls->pb, "#EXTINF:%f,\n", en->duration); if (hls->baseurl) avio_printf(hls->pb, "%s", hls->baseurl); avio_printf(hls->pb, "%s\n", en->name); @@ -173,8 +174,10 @@ static int hls_start(AVFormatContext *s) int err = 0; if (av_get_frame_filename(oc->filename, sizeof(oc->filename), - c->basename, c->wrap ? c->sequence % c->wrap : c->sequence) < 0) + 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); return AVERROR(EINVAL); + } c->number++; if ((err = avio_open2(&oc->pb, oc->filename, AVIO_FLAG_WRITE, @@ -256,6 +259,7 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt) AVFormatContext *oc = hls->avf; AVStream *st = s->streams[pkt->stream_index]; int64_t end_pts = hls->recording_time * hls->number; + int is_ref_pkt = 1; int ret, can_split = 1; if (hls->start_pts == AV_NOPTS_VALUE) { @@ -266,12 +270,14 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt) if (hls->has_video) { can_split = st->codec->codec_type == AVMEDIA_TYPE_VIDEO && pkt->flags & AV_PKT_FLAG_KEY; + is_ref_pkt = st->codec->codec_type == AVMEDIA_TYPE_VIDEO; } if (pkt->pts == AV_NOPTS_VALUE) - can_split = 0; - else - hls->duration = av_rescale(pkt->pts - hls->end_pts, - st->time_base.num, st->time_base.den); + is_ref_pkt = can_split = 0; + + if (is_ref_pkt) + hls->duration = (double)(pkt->pts - hls->end_pts) + * st->time_base.num / st->time_base.den; if (can_split && av_compare_ts(pkt->pts - hls->start_pts, st->time_base, end_pts, AV_TIME_BASE_Q) >= 0) { @@ -321,10 +327,10 @@ static int hls_write_trailer(struct AVFormatContext *s) #define OFFSET(x) offsetof(HLSContext, x) #define E AV_OPT_FLAG_ENCODING_PARAM static const AVOption options[] = { - {"start_number", "first number in the sequence", OFFSET(start_sequence),AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, E}, - {"hls_time", "segment length in seconds", OFFSET(time), AV_OPT_TYPE_FLOAT, {.dbl = 2}, 0, FLT_MAX, E}, - {"hls_list_size", "maximum number of playlist entries", OFFSET(size), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E}, - {"hls_wrap", "number after which the index wraps", OFFSET(wrap), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E}, + {"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_list_size", "set maximum number of playlist entries", OFFSET(size), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E}, + {"hls_wrap", "set number after which the index wraps", OFFSET(wrap), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E}, {"hls_base_url", "url to prepend to each playlist entry", OFFSET(baseurl), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, { NULL }, }; |