From patchwork Wed Nov 22 09:20:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jeyapal, Karthick" X-Patchwork-Id: 6259 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.2.161.94 with SMTP id m30csp6391751jah; Wed, 22 Nov 2017 01:20:44 -0800 (PST) X-Google-Smtp-Source: AGs4zMZtvrC5VY1tRjnQe/vPsWYhVoGyjMKNdesP4VFA9EH2ZSlQV62EuTEwOPwb4Ep/85JdqN9k X-Received: by 10.28.91.20 with SMTP id p20mr333845wmb.126.1511342444017; Wed, 22 Nov 2017 01:20:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1511342443; cv=none; d=google.com; s=arc-20160816; b=RIMNgs/kgzewEpol2z4dLU+6Ewq9qXQFG8VlpRshfJaauBYJcylgPyQZGMFuR94tGC ee74Ao6QJGhKVo4q9cj8WVd21VR3Alv4aeAoIRKnspLAF88r1ySW38bSR2N9lHP4d1E9 c95DiLizfw4wc8Igq+vZhFYx6KcDq4RVdoSRb7RiZk2Xi5b5r6JbRBJdpN9qec37Oh70 +Eu+fRxL7tGY9qHa4jLtBIoQcmyyHXWQtwE7tv0APF7fwolB7nAhkTnnh4qLapF1BAtA z1o4zrAd6MU6ZahOKCDidNkCU+Ph+sW0AFD0HoAV4wz94NhSWp77IKCL6zTev/kKx0bY avqQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:cc:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:feedback-id:references:in-reply-to :message-id:date:to:from:dkim-signature:delivered-to :arc-authentication-results; bh=8Y37sp11L9qYOesMz3OcBEG68aeaJsgaDxluRKhe8wc=; b=MMaUEyGvfMPdRfimMi1hnRQkxR4ecCuc2DYdqp55dNhCRP5HdW4qAQBzbdUvNZtB6y XvDvhkTckVLfRYzFd+pEtDnYlqGhn4rUXVZHluqRcguG3mKNMnLpKmszvoiP7JHt4GHs HGdo1m4SDS1y67Wf+Lkc5W+6JolmkMudVh9iTWuVQeJ97pR4GmXD6tq+nGr+NKB/9sd0 UW87K7PhZ/wVF+Sy6zclxk+9AnWvCxhvyknvuYAm/Dm4sfkRpQGlMPaPYqSAihlbb3tn 7lsZxaxTG5PceGfgxycxqs+gAnERHWxB2F+G9TbSos0vcHCKWsRNnwMlGiJjfpWBFkBp 2vbg== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@smtpservice.net header.s=m78bu0.a1-4.dyn header.b=qkqkloyH; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=QUARANTINE sp=NONE dis=NONE) header.from=akamai.com Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id o53si12516120wrf.25.2017.11.22.01.20.43; Wed, 22 Nov 2017 01:20:43 -0800 (PST) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@smtpservice.net header.s=m78bu0.a1-4.dyn header.b=qkqkloyH; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=QUARANTINE sp=NONE dis=NONE) header.from=akamai.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id C7FCC68A0F7; Wed, 22 Nov 2017 11:20:41 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from a2i831.smtp2go.com (a2i831.smtp2go.com [103.47.207.63]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 9113468A092 for ; Wed, 22 Nov 2017 11:20:34 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=smtpservice.net; s=m78bu0.a1-4.dyn; x=1511343340; h=Feedback-ID: X-Smtpcorp-Track:Message-Id:Date:Subject:To:From:Reply-To:Sender: List-Unsubscribe; bh=tEBevgrqB4RMU9eRVP4sxC4i+Ov2ywj39QfxfOlCldg=; b=qkqkloyH +JUBRNCNKbdfgMkT4y22cLKZJ7wQbpz1v1y9nYUFj4MA0gX0QMsuBehmod477G3TD7SIy/EfBl2dG r7zre4yDpaBFG1Fd5sCUcseSX81PPiaaRLCL0qqxL1ltXkzD+eAKX3sR075pTNxR1OlKtVhW+mT8d Of6L1pXrxL/x0SVxMOVN4S2mbvKNqbFY13VCArbpSAMULt3ULKiEwUhiAxm8t0Rm0OY7QOKIVoBsX V2PLQ9MLVeGjkcL7koscP7qKnGl8ZTE0YG5WTTni7Bk6khRVoEo0nCvTgMxNSimuaZWziWILFfPEz bXx74D4pXwR8O35KhoX+tCb7Dg==; From: Karthick J To: ffmpeg-devel@ffmpeg.org Date: Wed, 22 Nov 2017 14:50:11 +0530 Message-Id: <1511342412-420-1-git-send-email-kjeyapal@akamai.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: X-Smtpcorp-Track: 1-HRCpDIId3YHR.FQF-3hM8B Feedback-ID: 337386m:337386asVRLGB:337386sYrFxIDdQW:SMTPCORP X-Report-Abuse: Please forward a copy of this message, including all headers, to Subject: [FFmpeg-devel] [PATCH v2 1/2] avformat/hlsenc: Modularized playlist creation to allow reuse X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Karthick J MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" --- libavformat/hlsenc.c | 237 +++++++++++++++++++++++++++------------------------ libavformat/hlsenc.h | 67 +++++++++++++++ 2 files changed, 193 insertions(+), 111 deletions(-) create mode 100644 libavformat/hlsenc.h diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c index 3c47ced..d5b1b98 100644 --- a/libavformat/hlsenc.c +++ b/libavformat/hlsenc.c @@ -45,6 +45,7 @@ #include "avformat.h" #include "avio_internal.h" +#include "hlsenc.h" #include "internal.h" #include "os_support.h" @@ -73,35 +74,11 @@ typedef struct HLSSegment { struct HLSSegment *next; } HLSSegment; -typedef enum HLSFlags { - // Generate a single media file and use byte ranges in the playlist. - HLS_SINGLE_FILE = (1 << 0), - HLS_DELETE_SEGMENTS = (1 << 1), - HLS_ROUND_DURATIONS = (1 << 2), - HLS_DISCONT_START = (1 << 3), - HLS_OMIT_ENDLIST = (1 << 4), - HLS_SPLIT_BY_TIME = (1 << 5), - HLS_APPEND_LIST = (1 << 6), - HLS_PROGRAM_DATE_TIME = (1 << 7), - HLS_SECOND_LEVEL_SEGMENT_INDEX = (1 << 8), // include segment index in segment filenames when use_localtime e.g.: %%03d - HLS_SECOND_LEVEL_SEGMENT_DURATION = (1 << 9), // include segment duration (microsec) in segment filenames when use_localtime e.g.: %%09t - HLS_SECOND_LEVEL_SEGMENT_SIZE = (1 << 10), // include segment size (bytes) in segment filenames when use_localtime e.g.: %%014s - HLS_TEMP_FILE = (1 << 11), - HLS_PERIODIC_REKEY = (1 << 12), -} HLSFlags; - typedef enum { SEGMENT_TYPE_MPEGTS, SEGMENT_TYPE_FMP4, } SegmentType; -typedef enum { - PLAYLIST_TYPE_NONE, - PLAYLIST_TYPE_EVENT, - PLAYLIST_TYPE_VOD, - PLAYLIST_TYPE_NB, -} PlaylistType; - typedef struct VariantStream { unsigned number; int64_t sequence; @@ -206,6 +183,113 @@ typedef struct HLSContext { unsigned int master_publish_rate; } HLSContext; +void ff_hls_write_playlist_version(AVIOContext *out, int version) { + if (!out) + return; + avio_printf(out, "#EXTM3U\n"); + avio_printf(out, "#EXT-X-VERSION:%d\n", version); +} + +void ff_hls_write_stream_info(AVStream *st, AVIOContext *out, + int bandwidth, char *filename) { + if (!out || !filename) + return; + + if (!bandwidth) { + av_log(NULL, AV_LOG_WARNING, + "Bandwidth info not available, set audio and video bitrates\n"); + return; + } + + avio_printf(out, "#EXT-X-STREAM-INF:BANDWIDTH=%d", bandwidth); + if (st && st->codecpar->width > 0 && st->codecpar->height > 0) + avio_printf(out, ",RESOLUTION=%dx%d", st->codecpar->width, + st->codecpar->height); + avio_printf(out, "\n%s\n\n", filename); +} + +void ff_hls_write_playlist_header(AVIOContext *out, int version, int allowcache, + int target_duration, int64_t sequence, + uint32_t playlist_type) { + if (!out) + return; + ff_hls_write_playlist_version(out, version); + if (allowcache == 0 || allowcache == 1) { + avio_printf(out, "#EXT-X-ALLOW-CACHE:%s\n", allowcache == 0 ? "NO" : "YES"); + } + avio_printf(out, "#EXT-X-TARGETDURATION:%d\n", target_duration); + avio_printf(out, "#EXT-X-MEDIA-SEQUENCE:%"PRId64"\n", sequence); + av_log(NULL, AV_LOG_VERBOSE, "EXT-X-MEDIA-SEQUENCE:%"PRId64"\n", sequence); + + if (playlist_type == PLAYLIST_TYPE_EVENT) { + avio_printf(out, "#EXT-X-PLAYLIST-TYPE:EVENT\n"); + } else if (playlist_type == PLAYLIST_TYPE_VOD) { + avio_printf(out, "#EXT-X-PLAYLIST-TYPE:VOD\n"); + } +} + +void ff_hls_write_init_file(AVIOContext *out, char *filename, + int byterange_mode, int64_t size, int64_t pos) { + avio_printf(out, "#EXT-X-MAP:URI=\"%s\"", filename); + if (byterange_mode) { + avio_printf(out, ",BYTERANGE=\"%"PRId64"@%"PRId64"\"", size, pos); + } + avio_printf(out, "\n"); +} + +void ff_hls_write_file_entry(AVIOContext *out, int insert_discont, + int byterange_mode, uint32_t flags, double duration, + int64_t size, int64_t pos, //Used only if HLS_SINGLE_FILE flag is set + char *baseurl, //Ignored if NULL + char *filename, double *prog_date_time) { + if (!out || !filename) + return; + + if (insert_discont) { + avio_printf(out, "#EXT-X-DISCONTINUITY\n"); + } + if (flags & HLS_ROUND_DURATIONS) + avio_printf(out, "#EXTINF:%ld,\n", lrint(duration)); + else + avio_printf(out, "#EXTINF:%f,\n", duration); + if (byterange_mode) + avio_printf(out, "#EXT-X-BYTERANGE:%"PRId64"@%"PRId64"\n", size, pos); + + if ((flags & HLS_PROGRAM_DATE_TIME) && prog_date_time) { + time_t tt, wrongsecs; + int milli; + struct tm *tm, tmpbuf; + char buf0[128], buf1[128]; + tt = (int64_t)prog_date_time; + milli = av_clip(lrint(1000*(*prog_date_time - tt)), 0, 999); + tm = localtime_r(&tt, &tmpbuf); + strftime(buf0, sizeof(buf0), "%Y-%m-%dT%H:%M:%S", tm); + if (!strftime(buf1, sizeof(buf1), "%z", tm) || buf1[1]<'0' ||buf1[1]>'2') { + int tz_min, dst = tm->tm_isdst; + tm = gmtime_r(&tt, &tmpbuf); + tm->tm_isdst = dst; + wrongsecs = mktime(tm); + tz_min = (FFABS(wrongsecs - tt) + 30) / 60; + snprintf(buf1, sizeof(buf1), + "%c%02d%02d", + wrongsecs <= tt ? '+' : '-', + tz_min / 60, + tz_min % 60); + } + avio_printf(out, "#EXT-X-PROGRAM-DATE-TIME:%s.%03d%s\n", buf0, milli, buf1); + *prog_date_time += duration; + } + if (baseurl) + avio_printf(out, "%s", baseurl); + avio_printf(out, "%s\n", filename); +} + +void ff_hls_write_end_list (AVIOContext *out) { + if (!out) + return; + avio_printf(out, "#EXT-X-ENDLIST\n"); +} + static int get_int_from_double(double val) { return (int)((val - (int)val) >= 0.001) ? (int)(val + 1) : (int)val; @@ -1022,19 +1106,6 @@ static void hls_free_segments(HLSSegment *p) } } -static void write_m3u8_head_block(HLSContext *hls, AVIOContext *out, int version, - int target_duration, int64_t sequence) -{ - avio_printf(out, "#EXTM3U\n"); - avio_printf(out, "#EXT-X-VERSION:%d\n", version); - if (hls->allowcache == 0 || hls->allowcache == 1) { - avio_printf(out, "#EXT-X-ALLOW-CACHE:%s\n", hls->allowcache == 0 ? "NO" : "YES"); - } - avio_printf(out, "#EXT-X-TARGETDURATION:%d\n", target_duration); - avio_printf(out, "#EXT-X-MEDIA-SEQUENCE:%"PRId64"\n", sequence); - av_log(hls, AV_LOG_VERBOSE, "EXT-X-MEDIA-SEQUENCE:%"PRId64"\n", sequence); -} - static void hls_rename_temp_file(AVFormatContext *s, AVFormatContext *oc) { size_t len = strlen(oc->filename); @@ -1101,8 +1172,7 @@ static int create_master_playlist(AVFormatContext *s, goto fail; } - avio_printf(master_pb, "#EXTM3U\n"); - avio_printf(master_pb, "#EXT-X-VERSION:%d\n", hls->version); + ff_hls_write_playlist_version(master_pb, hls->version); /* For variant streams with video add #EXT-X-STREAM-INF tag with attributes*/ for (i = 0; i < hls->nb_varstreams; i++) { @@ -1143,18 +1213,7 @@ static int create_master_playlist(AVFormatContext *s, bandwidth += aud_st->codecpar->bit_rate; bandwidth += bandwidth / 10; - if (!bandwidth) { - av_log(NULL, AV_LOG_WARNING, - "Bandwidth info not available, set audio and video bitrates\n"); - av_freep(&m3U8_rel_name); - continue; - } - - avio_printf(master_pb, "#EXT-X-STREAM-INF:BANDWIDTH=%d", bandwidth); - if (vid_st && vid_st->codecpar->width > 0 && vid_st->codecpar->height > 0) - avio_printf(master_pb, ",RESOLUTION=%dx%d", vid_st->codecpar->width, - vid_st->codecpar->height); - avio_printf(master_pb, "\n%s\n\n", m3U8_rel_name); + ff_hls_write_stream_info(vid_st, master_pb, bandwidth, m3U8_rel_name); av_freep(&m3U8_rel_name); } @@ -1209,12 +1268,8 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs) } vs->discontinuity_set = 0; - write_m3u8_head_block(hls, out, hls->version, target_duration, sequence); - if (hls->pl_type == PLAYLIST_TYPE_EVENT) { - avio_printf(out, "#EXT-X-PLAYLIST-TYPE:EVENT\n"); - } else if (hls->pl_type == PLAYLIST_TYPE_VOD) { - avio_printf(out, "#EXT-X-PLAYLIST-TYPE:VOD\n"); - } + ff_hls_write_playlist_header(out, hls->version, hls->allowcache, + target_duration, sequence, hls->pl_type); if((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && vs->discontinuity_set==0 ){ avio_printf(out, "#EXT-X-DISCONTINUITY\n"); @@ -1231,74 +1286,34 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs) iv_string = en->iv_string; } - if (en->discont) { - avio_printf(out, "#EXT-X-DISCONTINUITY\n"); - } - if ((hls->segment_type == SEGMENT_TYPE_FMP4) && (en == vs->segments)) { - avio_printf(out, "#EXT-X-MAP:URI=\"%s\"", vs->fmp4_init_filename); - if (hls->flags & HLS_SINGLE_FILE) { - avio_printf(out, ",BYTERANGE=\"%"PRId64"@%"PRId64"\"", en->size, en->pos); - } - avio_printf(out, "\n"); + ff_hls_write_init_file(out, vs->fmp4_init_filename, + hls->flags & HLS_SINGLE_FILE, en->size, en->pos); } - if (hls->flags & HLS_ROUND_DURATIONS) - avio_printf(out, "#EXTINF:%ld,\n", lrint(en->duration)); - else - avio_printf(out, "#EXTINF:%f,\n", en->duration); - if (byterange_mode) - avio_printf(out, "#EXT-X-BYTERANGE:%"PRId64"@%"PRId64"\n", - en->size, en->pos); - - if (hls->flags & HLS_PROGRAM_DATE_TIME) { - time_t tt, wrongsecs; - int milli; - struct tm *tm, tmpbuf; - char buf0[128], buf1[128]; - tt = (int64_t)prog_date_time; - milli = av_clip(lrint(1000*(prog_date_time - tt)), 0, 999); - tm = localtime_r(&tt, &tmpbuf); - strftime(buf0, sizeof(buf0), "%Y-%m-%dT%H:%M:%S", tm); - if (!strftime(buf1, sizeof(buf1), "%z", tm) || buf1[1]<'0' ||buf1[1]>'2') { - int tz_min, dst = tm->tm_isdst; - tm = gmtime_r(&tt, &tmpbuf); - tm->tm_isdst = dst; - wrongsecs = mktime(tm); - tz_min = (FFABS(wrongsecs - tt) + 30) / 60; - snprintf(buf1, sizeof(buf1), - "%c%02d%02d", - wrongsecs <= tt ? '+' : '-', - tz_min / 60, - tz_min % 60); - } - avio_printf(out, "#EXT-X-PROGRAM-DATE-TIME:%s.%03d%s\n", buf0, milli, buf1); - prog_date_time += en->duration; - } - if (vs->baseurl) - avio_printf(out, "%s", vs->baseurl); - avio_printf(out, "%s\n", en->filename); + + ff_hls_write_file_entry(out, en->discont, byterange_mode, hls->flags, + en->duration, en->size, en->pos, vs->baseurl, + en->filename, &prog_date_time); + } if (last && (hls->flags & HLS_OMIT_ENDLIST)==0) - avio_printf(out, "#EXT-X-ENDLIST\n"); + ff_hls_write_end_list(out); if( vs->vtt_m3u8_name ) { if ((ret = s->io_open(s, &sub_out, vs->vtt_m3u8_name, AVIO_FLAG_WRITE, &options)) < 0) goto fail; - write_m3u8_head_block(hls, sub_out, hls->version, target_duration, sequence); + ff_hls_write_playlist_header(sub_out, hls->version, hls->allowcache, + target_duration, sequence, PLAYLIST_TYPE_NONE); for (en = vs->segments; en; en = en->next) { - avio_printf(sub_out, "#EXTINF:%f,\n", en->duration); - if (byterange_mode) - avio_printf(sub_out, "#EXT-X-BYTERANGE:%"PRIi64"@%"PRIi64"\n", - en->size, en->pos); - if (vs->baseurl) - avio_printf(sub_out, "%s", vs->baseurl); - avio_printf(sub_out, "%s\n", en->sub_filename); + ff_hls_write_file_entry(sub_out, 0, byterange_mode, + hls->flags, en->duration, en->size, en->pos, + vs->baseurl, en->sub_filename, NULL); } if (last) - avio_printf(sub_out, "#EXT-X-ENDLIST\n"); + ff_hls_write_end_list(sub_out); } diff --git a/libavformat/hlsenc.h b/libavformat/hlsenc.h new file mode 100644 index 0000000..d4723f6 --- /dev/null +++ b/libavformat/hlsenc.h @@ -0,0 +1,67 @@ +/* + * Apple HTTP Live Streaming segmenter + * Copyright (c) 2012, Luca Barbato + * Copyright (c) 2017 Akamai Technologies, Inc. + * + * This file is part of FFmpeg. + * + * 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. + * + * 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVFORMAT_HLSENC_H_ +#define AVFORMAT_HLSENC_H_ + +#include "libavutil/common.h" + +typedef enum HLSFlags { + // Generate a single media file and use byte ranges in the playlist. + HLS_SINGLE_FILE = (1 << 0), + HLS_DELETE_SEGMENTS = (1 << 1), + HLS_ROUND_DURATIONS = (1 << 2), + HLS_DISCONT_START = (1 << 3), + HLS_OMIT_ENDLIST = (1 << 4), + HLS_SPLIT_BY_TIME = (1 << 5), + HLS_APPEND_LIST = (1 << 6), + HLS_PROGRAM_DATE_TIME = (1 << 7), + HLS_SECOND_LEVEL_SEGMENT_INDEX = (1 << 8), // include segment index in segment filenames when use_localtime e.g.: %%03d + HLS_SECOND_LEVEL_SEGMENT_DURATION = (1 << 9), // include segment duration (microsec) in segment filenames when use_localtime e.g.: %%09t + HLS_SECOND_LEVEL_SEGMENT_SIZE = (1 << 10), // include segment size (bytes) in segment filenames when use_localtime e.g.: %%014s + HLS_TEMP_FILE = (1 << 11), + HLS_PERIODIC_REKEY = (1 << 12), +} HLSFlags; + +typedef enum { + PLAYLIST_TYPE_NONE, + PLAYLIST_TYPE_EVENT, + PLAYLIST_TYPE_VOD, + PLAYLIST_TYPE_NB, +} PlaylistType; + +void ff_hls_write_playlist_version(AVIOContext *out, int version); +void ff_hls_write_stream_info(AVStream *st, AVIOContext *out, + int bandwidth, char *filename); +void ff_hls_write_playlist_header(AVIOContext *out, int version, int allowcache, + int target_duration, int64_t sequence, + uint32_t playlist_type); +void ff_hls_write_init_file(AVIOContext *out, char *filename, + int byterange_mode, int64_t size, int64_t pos); +void ff_hls_write_file_entry(AVIOContext *out, int insert_discont, + int byterange_mode, uint32_t flags, double duration, + int64_t size, int64_t pos, //Used only if HLS_SINGLE_FILE flag is set + char *baseurl, //Ignored if NULL + char *filename, double *prog_date_time); +void ff_hls_write_end_list (AVIOContext *out); + +#endif /* AVFORMAT_HLSENC_H_ */