[FFmpeg-cvslog] Add an HDS live fragmenting muxer
Martin Storsjö
git at videolan.org
Sat Nov 2 13:16:21 CET 2013
ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Thu Aug 15 16:06:52 2013 +0300| [435214a757fc71d1680b12d6f930254cab3935d1] | committer: Martin Storsjö
Add an HDS live fragmenting muxer
HDS fragments basically are FLV fragments wrapped in an ISO
media mdat atom.
Signed-off-by: Martin Storsjö <martin at martin.st>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=435214a757fc71d1680b12d6f930254cab3935d1
---
Changelog | 1 +
configure | 1 +
libavformat/Makefile | 1 +
libavformat/allformats.c | 1 +
libavformat/hdsenc.c | 589 ++++++++++++++++++++++++++++++++++++++++++++++
libavformat/version.h | 4 +-
6 files changed, 595 insertions(+), 2 deletions(-)
diff --git a/Changelog b/Changelog
index 288e8c5..d978fe0 100644
--- a/Changelog
+++ b/Changelog
@@ -44,6 +44,7 @@ version 10:
- HEVC decoder
- raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
- remove avplay -vismv option, which has not worked for a long time
+- Live HDS muxer
version 9:
diff --git a/configure b/configure
index 88e7058..4aa66c0 100755
--- a/configure
+++ b/configure
@@ -1825,6 +1825,7 @@ dxa_demuxer_select="riffdec"
eac3_demuxer_select="ac3_parser"
f4v_muxer_select="mov_muxer"
flac_demuxer_select="flac_parser"
+hds_muxer_select="flv_muxer"
hls_muxer_select="mpegts_muxer"
ipod_muxer_select="mov_muxer"
ismv_muxer_select="mov_muxer"
diff --git a/libavformat/Makefile b/libavformat/Makefile
index a83c60e..7135071 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -140,6 +140,7 @@ OBJS-$(CONFIG_H263_DEMUXER) += h263dec.o rawdec.o
OBJS-$(CONFIG_H263_MUXER) += rawenc.o
OBJS-$(CONFIG_H264_DEMUXER) += h264dec.o rawdec.o
OBJS-$(CONFIG_H264_MUXER) += rawenc.o
+OBJS-$(CONFIG_HDS_MUXER) += hdsenc.o
OBJS-$(CONFIG_HEVC_DEMUXER) += hevcdec.o rawdec.o
OBJS-$(CONFIG_HLS_DEMUXER) += hls.o
OBJS-$(CONFIG_HLS_MUXER) += hlsenc.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 363462e..3bc128b 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -117,6 +117,7 @@ void av_register_all(void)
REGISTER_MUXDEMUX(H261, h261);
REGISTER_MUXDEMUX(H263, h263);
REGISTER_MUXDEMUX(H264, h264);
+ REGISTER_MUXER (HDS, hds);
REGISTER_DEMUXER (HEVC, hevc);
REGISTER_MUXDEMUX(HLS, hls);
REGISTER_DEMUXER (HNM, hnm);
diff --git a/libavformat/hdsenc.c b/libavformat/hdsenc.c
new file mode 100644
index 0000000..6d5b127
--- /dev/null
+++ b/libavformat/hdsenc.c
@@ -0,0 +1,589 @@
+/*
+ * Live HDS fragmenter
+ * Copyright (c) 2013 Martin Storsjo
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include <float.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "avformat.h"
+#include "internal.h"
+#include "os_support.h"
+
+#include "libavutil/avstring.h"
+#include "libavutil/base64.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
+
+typedef struct Fragment {
+ char file[1024];
+ int64_t start_time, duration;
+ int n;
+} Fragment;
+
+typedef struct OutputStream {
+ int bitrate;
+ int first_stream;
+ AVFormatContext *ctx;
+ int ctx_inited;
+ uint8_t iobuf[32768];
+ char temp_filename[1024];
+ int64_t frag_start_ts, last_ts;
+ AVIOContext *out;
+ int packets_written;
+ int nb_fragments, fragments_size, fragment_index;
+ Fragment **fragments;
+
+ int has_audio, has_video;
+
+ uint8_t *metadata;
+ int metadata_size;
+
+ uint8_t *extra_packets[2];
+ int extra_packet_sizes[2];
+ int nb_extra_packets;
+} OutputStream;
+
+typedef struct HDSContext {
+ const AVClass *class; /* Class for private options. */
+ int window_size;
+ int extra_window_size;
+ int min_frag_duration;
+ int remove_at_exit;
+
+ OutputStream *streams;
+ int nb_streams;
+} HDSContext;
+
+static int parse_header(OutputStream *os, const uint8_t *buf, int buf_size)
+{
+ if (buf_size < 13)
+ return AVERROR_INVALIDDATA;
+ if (memcmp(buf, "FLV", 3))
+ return AVERROR_INVALIDDATA;
+ buf += 13;
+ buf_size -= 13;
+ while (buf_size >= 11 + 4) {
+ int type = buf[0];
+ int size = AV_RB24(&buf[1]) + 11 + 4;
+ if (size > buf_size)
+ return AVERROR_INVALIDDATA;
+ if (type == 8 || type == 9) {
+ if (os->nb_extra_packets > FF_ARRAY_ELEMS(os->extra_packets))
+ return AVERROR_INVALIDDATA;
+ os->extra_packet_sizes[os->nb_extra_packets] = size;
+ os->extra_packets[os->nb_extra_packets] = av_malloc(size);
+ if (!os->extra_packets[os->nb_extra_packets])
+ return AVERROR(ENOMEM);
+ memcpy(os->extra_packets[os->nb_extra_packets], buf, size);
+ os->nb_extra_packets++;
+ } else if (type == 0x12) {
+ if (os->metadata)
+ return AVERROR_INVALIDDATA;
+ os->metadata_size = size - 11 - 4;
+ os->metadata = av_malloc(os->metadata_size);
+ if (!os->metadata)
+ return AVERROR(ENOMEM);
+ memcpy(os->metadata, buf + 11, os->metadata_size);
+ }
+ buf += size;
+ buf_size -= size;
+ }
+ if (!os->metadata)
+ return AVERROR_INVALIDDATA;
+ return 0;
+}
+
+static int hds_write(void *opaque, uint8_t *buf, int buf_size)
+{
+ OutputStream *os = opaque;
+ if (os->out) {
+ avio_write(os->out, buf, buf_size);
+ } else {
+ if (!os->metadata_size) {
+ int ret;
+ // Assuming the IO buffer is large enough to fit the
+ // FLV header and all metadata and extradata packets
+ if ((ret = parse_header(os, buf, buf_size)) < 0)
+ return ret;
+ }
+ }
+ return buf_size;
+}
+
+static void hds_free(AVFormatContext *s)
+{
+ HDSContext *c = s->priv_data;
+ int i, j;
+ if (!c->streams)
+ return;
+ for (i = 0; i < s->nb_streams; i++) {
+ OutputStream *os = &c->streams[i];
+ if (os->out)
+ avio_close(os->out);
+ os->out = NULL;
+ if (os->ctx && os->ctx_inited)
+ av_write_trailer(os->ctx);
+ if (os->ctx && os->ctx->pb)
+ av_free(os->ctx->pb);
+ if (os->ctx)
+ avformat_free_context(os->ctx);
+ av_free(os->metadata);
+ for (j = 0; j < os->nb_extra_packets; j++)
+ av_free(os->extra_packets[j]);
+ for (j = 0; j < os->nb_fragments; j++)
+ av_free(os->fragments[j]);
+ av_free(os->fragments);
+ }
+ av_freep(&c->streams);
+}
+
+static int write_manifest(AVFormatContext *s, int final)
+{
+ HDSContext *c = s->priv_data;
+ AVIOContext *out;
+ char filename[1024], temp_filename[1024];
+ int ret, i;
+ float duration = 0;
+
+ if (c->nb_streams > 0)
+ duration = c->streams[0].last_ts * av_q2d(s->streams[0]->time_base);
+
+ snprintf(filename, sizeof(filename), "%s/index.f4m", s->filename);
+ snprintf(temp_filename, sizeof(temp_filename), "%s/index.f4m.tmp", s->filename);
+ ret = avio_open2(&out, temp_filename, AVIO_FLAG_WRITE,
+ &s->interrupt_callback, NULL);
+ if (ret < 0) {
+ av_log(s, AV_LOG_ERROR, "Unable to open %s for writing\n", filename);
+ return ret;
+ }
+ avio_printf(out, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
+ avio_printf(out, "<manifest xmlns=\"http://ns.adobe.com/f4m/1.0\">\n");
+ avio_printf(out, "\t<id>%s</id>\n", av_basename(s->filename));
+ avio_printf(out, "\t<streamType>%s</streamType>\n",
+ final ? "recorded" : "live");
+ avio_printf(out, "\t<deliveryType>streaming</deliveryType>\n");
+ if (final)
+ avio_printf(out, "\t<duration>%f</duration>\n", duration);
+ for (i = 0; i < c->nb_streams; i++) {
+ OutputStream *os = &c->streams[i];
+ int b64_size = AV_BASE64_SIZE(os->metadata_size);
+ char *base64 = av_malloc(b64_size);
+ if (!base64) {
+ avio_close(out);
+ return AVERROR(ENOMEM);
+ }
+ av_base64_encode(base64, b64_size, os->metadata, os->metadata_size);
+
+ avio_printf(out, "\t<bootstrapInfo profile=\"named\" url=\"stream%d.abst\" id=\"bootstrap%d\" />\n", i, i);
+ avio_printf(out, "\t<media bitrate=\"%d\" url=\"stream%d\" bootstrapInfoId=\"bootstrap%d\">\n", os->bitrate/1000, i, i);
+ avio_printf(out, "\t\t<metadata>%s</metadata>\n", base64);
+ avio_printf(out, "\t</media>\n");
+ av_free(base64);
+ }
+ avio_printf(out, "</manifest>\n");
+ avio_flush(out);
+ avio_close(out);
+ rename(temp_filename, filename);
+ return 0;
+}
+
+static void update_size(AVIOContext *out, int64_t pos)
+{
+ int64_t end = avio_tell(out);
+ avio_seek(out, pos, SEEK_SET);
+ avio_wb32(out, end - pos);
+ avio_seek(out, end, SEEK_SET);
+}
+
+/* Note, the .abst files need to be served with the "binary/octet"
+ * mime type, otherwise at least the OSMF player can easily fail
+ * with "stream not found" when polling for the next fragment. */
+static int write_abst(AVFormatContext *s, OutputStream *os, int final)
+{
+ HDSContext *c = s->priv_data;
+ AVIOContext *out;
+ char filename[1024], temp_filename[1024];
+ int i, ret;
+ int64_t asrt_pos, afrt_pos;
+ int start = 0, fragments;
+ int index = s->streams[os->first_stream]->id;
+ int64_t cur_media_time = 0;
+ if (c->window_size)
+ start = FFMAX(os->nb_fragments - c->window_size, 0);
+ fragments = os->nb_fragments - start;
+ if (final)
+ cur_media_time = os->last_ts;
+ else if (os->nb_fragments)
+ cur_media_time = os->fragments[os->nb_fragments - 1]->start_time;
+
+ snprintf(filename, sizeof(filename),
+ "%s/stream%d.abst", s->filename, index);
+ snprintf(temp_filename, sizeof(temp_filename),
+ "%s/stream%d.abst.tmp", s->filename, index);
+ ret = avio_open2(&out, temp_filename, AVIO_FLAG_WRITE,
+ &s->interrupt_callback, NULL);
+ if (ret < 0) {
+ av_log(s, AV_LOG_ERROR, "Unable to open %s for writing\n", temp_filename);
+ return ret;
+ }
+ avio_wb32(out, 0); // abst size
+ avio_wl32(out, MKTAG('a','b','s','t'));
+ avio_wb32(out, 0); // version + flags
+ avio_wb32(out, os->fragment_index - 1); // BootstrapinfoVersion
+ avio_w8(out, final ? 0 : 0x20); // profile, live, update
+ avio_wb32(out, 1000); // timescale
+ avio_wb64(out, cur_media_time);
+ avio_wb64(out, 0); // SmpteTimeCodeOffset
+ avio_w8(out, 0); // MovieIdentifer (null string)
+ avio_w8(out, 0); // ServerEntryCount
+ avio_w8(out, 0); // QualityEntryCount
+ avio_w8(out, 0); // DrmData (null string)
+ avio_w8(out, 0); // MetaData (null string)
+ avio_w8(out, 1); // SegmentRunTableCount
+ asrt_pos = avio_tell(out);
+ avio_wb32(out, 0); // asrt size
+ avio_wl32(out, MKTAG('a','s','r','t'));
+ avio_wb32(out, 0); // version + flags
+ avio_w8(out, 0); // QualityEntryCount
+ avio_wb32(out, 1); // SegmentRunEntryCount
+ avio_wb32(out, 1); // FirstSegment
+ avio_wb32(out, final ? (os->fragment_index - 1) : 0xffffffff); // FragmentsPerSegment
+ update_size(out, asrt_pos);
+ avio_w8(out, 1); // FragmentRunTableCount
+ afrt_pos = avio_tell(out);
+ avio_wb32(out, 0); // afrt size
+ avio_wl32(out, MKTAG('a','f','r','t'));
+ avio_wb32(out, 0); // version + flags
+ avio_wb32(out, 1000); // timescale
+ avio_w8(out, 0); // QualityEntryCount
+ avio_wb32(out, fragments); // FragmentRunEntryCount
+ for (i = start; i < os->nb_fragments; i++) {
+ avio_wb32(out, os->fragments[i]->n);
+ avio_wb64(out, os->fragments[i]->start_time);
+ avio_wb32(out, os->fragments[i]->duration);
+ }
+ update_size(out, afrt_pos);
+ update_size(out, 0);
+ avio_close(out);
+ rename(temp_filename, filename);
+ return 0;
+}
+
+static int init_file(AVFormatContext *s, OutputStream *os, int64_t start_ts)
+{
+ int ret, i;
+ ret = avio_open2(&os->out, os->temp_filename, AVIO_FLAG_WRITE,
+ &s->interrupt_callback, NULL);
+ if (ret < 0)
+ return ret;
+ avio_wb32(os->out, 0);
+ avio_wl32(os->out, MKTAG('m','d','a','t'));
+ for (i = 0; i < os->nb_extra_packets; i++) {
+ AV_WB24(os->extra_packets[i] + 4, start_ts);
+ os->extra_packets[i][7] = (start_ts >> 24) & 0x7f;
+ avio_write(os->out, os->extra_packets[i], os->extra_packet_sizes[i]);
+ }
+ return 0;
+}
+
+static void close_file(OutputStream *os)
+{
+ int64_t pos = avio_tell(os->out);
+ avio_seek(os->out, 0, SEEK_SET);
+ avio_wb32(os->out, pos);
+ avio_flush(os->out);
+ avio_close(os->out);
+ os->out = NULL;
+}
+
+static int hds_write_header(AVFormatContext *s)
+{
+ HDSContext *c = s->priv_data;
+ int ret = 0, i;
+ AVOutputFormat *oformat;
+
+ mkdir(s->filename, 0777);
+
+ oformat = av_guess_format("flv", NULL, NULL);
+ if (!oformat) {
+ ret = AVERROR_MUXER_NOT_FOUND;
+ goto fail;
+ }
+
+ c->streams = av_mallocz(sizeof(*c->streams) * s->nb_streams);
+ if (!c->streams) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ for (i = 0; i < s->nb_streams; i++) {
+ OutputStream *os = &c->streams[c->nb_streams];
+ AVFormatContext *ctx;
+ AVStream *st = s->streams[i];
+
+ if (!st->codec->bit_rate) {
+ av_log(s, AV_LOG_ERROR, "No bit rate set for stream %d\n", i);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (os->has_video) {
+ c->nb_streams++;
+ os++;
+ }
+ os->has_video = 1;
+ } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ if (os->has_audio) {
+ c->nb_streams++;
+ os++;
+ }
+ os->has_audio = 1;
+ } else {
+ av_log(s, AV_LOG_ERROR, "Unsupported stream type in stream %d\n", i);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ os->bitrate += s->streams[i]->codec->bit_rate;
+
+ if (!os->ctx) {
+ os->first_stream = i;
+ ctx = avformat_alloc_context();
+ if (!ctx) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ os->ctx = ctx;
+ ctx->oformat = oformat;
+ ctx->interrupt_callback = s->interrupt_callback;
+
+ ctx->pb = avio_alloc_context(os->iobuf, sizeof(os->iobuf),
+ AVIO_FLAG_WRITE, os,
+ NULL, hds_write, NULL);
+ if (!ctx->pb) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ } else {
+ ctx = os->ctx;
+ }
+ s->streams[i]->id = c->nb_streams;
+
+ if (!(st = avformat_new_stream(ctx, NULL))) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ avcodec_copy_context(st->codec, s->streams[i]->codec);
+ st->sample_aspect_ratio = s->streams[i]->sample_aspect_ratio;
+ }
+ if (c->streams[c->nb_streams].ctx)
+ c->nb_streams++;
+
+ for (i = 0; i < c->nb_streams; i++) {
+ OutputStream *os = &c->streams[i];
+ int j;
+ if ((ret = avformat_write_header(os->ctx, NULL)) < 0) {
+ goto fail;
+ }
+ os->ctx_inited = 1;
+ avio_flush(os->ctx->pb);
+ for (j = 0; j < os->ctx->nb_streams; j++)
+ s->streams[os->first_stream + j]->time_base = os->ctx->streams[j]->time_base;
+
+ snprintf(os->temp_filename, sizeof(os->temp_filename),
+ "%s/stream%d_temp", s->filename, i);
+ init_file(s, os, 0);
+
+ if (!os->has_video && c->min_frag_duration <= 0) {
+ av_log(s, AV_LOG_WARNING,
+ "No video stream in output stream %d and no min frag duration set\n", i);
+ ret = AVERROR(EINVAL);
+ }
+ os->fragment_index = 1;
+ write_abst(s, os, 0);
+ }
+ ret = write_manifest(s, 0);
+
+fail:
+ if (ret)
+ hds_free(s);
+ return ret;
+}
+
+static int add_fragment(OutputStream *os, const char *file,
+ int64_t start_time, int64_t duration)
+{
+ Fragment *frag;
+ if (duration == 0)
+ duration = 1;
+ if (os->nb_fragments >= os->fragments_size) {
+ int ret;
+ os->fragments_size = (os->fragments_size + 1) * 2;
+ if ((ret = av_reallocp_array(&os->fragments, os->fragments_size,
+ sizeof(*os->fragments))) < 0) {
+ os->fragments_size = 0;
+ os->nb_fragments = 0;
+ return ret;
+ }
+ }
+ frag = av_mallocz(sizeof(*frag));
+ if (!frag)
+ return AVERROR(ENOMEM);
+ av_strlcpy(frag->file, file, sizeof(frag->file));
+ frag->start_time = start_time;
+ frag->duration = duration;
+ frag->n = os->fragment_index;
+ os->fragments[os->nb_fragments++] = frag;
+ os->fragment_index++;
+ return 0;
+}
+
+static int hds_flush(AVFormatContext *s, OutputStream *os, int final,
+ int64_t end_ts)
+{
+ HDSContext *c = s->priv_data;
+ int i, ret = 0;
+ char target_filename[1024];
+ int index = s->streams[os->first_stream]->id;
+
+ if (!os->packets_written)
+ return 0;
+
+ avio_flush(os->ctx->pb);
+ os->packets_written = 0;
+ close_file(os);
+
+ snprintf(target_filename, sizeof(target_filename),
+ "%s/stream%dSeg1-Frag%d", s->filename, index, os->fragment_index);
+ rename(os->temp_filename, target_filename);
+ add_fragment(os, target_filename, os->frag_start_ts, end_ts - os->frag_start_ts);
+
+ if (!final) {
+ ret = init_file(s, os, end_ts);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (c->window_size || (final && c->remove_at_exit)) {
+ int remove = os->nb_fragments - c->window_size - c->extra_window_size;
+ if (final && c->remove_at_exit)
+ remove = os->nb_fragments;
+ if (remove > 0) {
+ for (i = 0; i < remove; i++) {
+ unlink(os->fragments[i]->file);
+ av_free(os->fragments[i]);
+ }
+ os->nb_fragments -= remove;
+ memmove(os->fragments, os->fragments + remove,
+ os->nb_fragments * sizeof(*os->fragments));
+ }
+ }
+
+ if (ret >= 0)
+ ret = write_abst(s, os, final);
+ return ret;
+}
+
+static int hds_write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ HDSContext *c = s->priv_data;
+ AVStream *st = s->streams[pkt->stream_index];
+ OutputStream *os = &c->streams[s->streams[pkt->stream_index]->id];
+ int64_t end_dts = (os->fragment_index) * c->min_frag_duration;
+ int ret;
+
+ if (st->first_dts == AV_NOPTS_VALUE)
+ st->first_dts = pkt->dts;
+
+ if ((!os->has_video || st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
+ av_compare_ts(pkt->dts - st->first_dts, st->time_base,
+ end_dts, AV_TIME_BASE_Q) >= 0 &&
+ pkt->flags & AV_PKT_FLAG_KEY && os->packets_written) {
+
+ if ((ret = hds_flush(s, os, 0, pkt->dts)) < 0)
+ return ret;
+ }
+
+ // Note, these fragment start timestamps, that represent a whole
+ // OutputStream, assume all streams in it have the same time base.
+ if (!os->packets_written)
+ os->frag_start_ts = pkt->dts;
+ os->last_ts = pkt->dts;
+
+ os->packets_written++;
+ return ff_write_chained(os->ctx, pkt->stream_index - os->first_stream, pkt, s);
+}
+
+static int hds_write_trailer(AVFormatContext *s)
+{
+ HDSContext *c = s->priv_data;
+ int i;
+
+ for (i = 0; i < c->nb_streams; i++)
+ hds_flush(s, &c->streams[i], 1, c->streams[i].last_ts);
+ write_manifest(s, 1);
+
+ if (c->remove_at_exit) {
+ char filename[1024];
+ snprintf(filename, sizeof(filename), "%s/index.f4m", s->filename);
+ unlink(filename);
+ for (i = 0; i < c->nb_streams; i++) {
+ snprintf(filename, sizeof(filename), "%s/stream%d.abst", s->filename, i);
+ unlink(filename);
+ }
+ rmdir(s->filename);
+ }
+
+ hds_free(s);
+ return 0;
+}
+
+#define OFFSET(x) offsetof(HDSContext, x)
+#define E AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "window_size", "number of fragments kept in the manifest", OFFSET(window_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, E },
+ { "extra_window_size", "number of fragments kept outside of the manifest before removing from disk", OFFSET(extra_window_size), AV_OPT_TYPE_INT, { .i64 = 5 }, 0, INT_MAX, E },
+ { "min_frag_duration", "minimum fragment duration (in microseconds)", OFFSET(min_frag_duration), AV_OPT_TYPE_INT64, { .i64 = 10000000 }, 0, INT_MAX, E },
+ { "remove_at_exit", "remove all fragments when finished", OFFSET(remove_at_exit), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, E },
+ { NULL },
+};
+
+static const AVClass hds_class = {
+ .class_name = "HDS muxer",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+AVOutputFormat ff_hds_muxer = {
+ .name = "hds",
+ .long_name = NULL_IF_CONFIG_SMALL("HDS Muxer"),
+ .priv_data_size = sizeof(HDSContext),
+ .audio_codec = AV_CODEC_ID_AAC,
+ .video_codec = AV_CODEC_ID_H264,
+ .flags = AVFMT_GLOBALHEADER | AVFMT_NOFILE,
+ .write_header = hds_write_header,
+ .write_packet = hds_write_packet,
+ .write_trailer = hds_write_trailer,
+ .priv_class = &hds_class,
+};
diff --git a/libavformat/version.h b/libavformat/version.h
index 2fa9a0f..bf84852 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -30,8 +30,8 @@
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 55
-#define LIBAVFORMAT_VERSION_MINOR 9
-#define LIBAVFORMAT_VERSION_MICRO 4
+#define LIBAVFORMAT_VERSION_MINOR 10
+#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
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