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,
uint32_t flags; // enum HLSFlags
uint32_t pl_type; // enum PlaylistType
char *segment_filename;
+ char *fmp4_init_filename;
+ int segment_type;
+ int fmp4_init_mode;
int use_localtime; ///< flag to expand filename with localtime
int use_localtime_mkdir;///< flag to mkdir dirname in timebased filename
HLSSegment *old_segments;
char *basename;
+ char *base_output_dirname;
char *vtt_basename;
char *vtt_m3u8_name;
char *baseurl;
double initial_prog_date_time;
char current_segment_final_filename_fmt[1024]; // when renaming segments
+ char *user_agent;
} HLSContext;
static int get_int_from_double(double val)
return ret;
}
+static void set_http_options(AVFormatContext *s, AVDictionary **options, HLSContext *c)
+{
+ const char *proto = avio_find_protocol_name(s->filename);
+ int http_base_proto = proto ? (!av_strcasecmp(proto, "http") || !av_strcasecmp(proto, "https")) : 0;
+
+ if (c->method) {
+ av_dict_set(options, "method", c->method, 0);
+ } else if (http_base_proto) {
+ av_log(c, AV_LOG_WARNING, "No HTTP method set, hls muxer defaulting to method PUT.\n");
+ av_dict_set(options, "method", "PUT", 0);
+ }
+ if (c->user_agent)
+ av_dict_set(options, "user_agent", c->user_agent, 0);
+
+}
+
static int replace_int_data_in_filename(char *buf, int buf_size, const char *filename, char placeholder, int64_t number)
{
const char *p;
return -1;
}
+static void write_styp(AVIOContext *pb)
+{
+ avio_wb32(pb, 24);
+ ffio_wfourcc(pb, "styp");
+ ffio_wfourcc(pb, "msdh");
+ avio_wb32(pb, 0); /* minor */
+ ffio_wfourcc(pb, "msdh");
+ ffio_wfourcc(pb, "msix");
+}
+
static int hls_delete_old_segments(AVFormatContext *s, HLSContext *hls) {
HLSSegment *segment, *previous_segment = NULL;
static int hls_mux_init(AVFormatContext *s)
{
+ AVDictionary *options = NULL;
HLSContext *hls = s->priv_data;
AVFormatContext *oc;
AVFormatContext *vtt_oc = NULL;
+ int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
int i, ret;
ret = avformat_alloc_output_context2(&hls->avf, hls->oformat, NULL, NULL);
if (!(st = avformat_new_stream(loc, NULL)))
return AVERROR(ENOMEM);
avcodec_parameters_copy(st->codecpar, s->streams[i]->codecpar);
+ if (!oc->oformat->codec_tag ||
+ av_codec_get_id (oc->oformat->codec_tag, s->streams[i]->codecpar->codec_tag) == st->codecpar->codec_id ||
+ av_codec_get_tag(oc->oformat->codec_tag, s->streams[i]->codecpar->codec_id) <= 0) {
+ st->codecpar->codec_tag = s->streams[i]->codecpar->codec_tag;
+ } else {
+ st->codecpar->codec_tag = 0;
+ }
+
st->sample_aspect_ratio = s->streams[i]->sample_aspect_ratio;
st->time_base = s->streams[i]->time_base;
av_dict_copy(&st->metadata, s->streams[i]->metadata, 0);
}
hls->start_pos = 0;
hls->new_start = 1;
+ hls->fmp4_init_mode = 0;
+
+ if (hls->segment_type == SEGMENT_TYPE_FMP4) {
+ if (hls->max_seg_size > 0) {
+ av_log(s, AV_LOG_WARNING, "Multi-file byterange mode is currently unsupported in the HLS muxer.\n");
+ return AVERROR_PATCHWELCOME;
+ }
+ hls->fmp4_init_mode = !byterange_mode;
+ set_http_options(s, &options, hls);
+ if ((ret = s->io_open(s, &oc->pb, hls->base_output_dirname, AVIO_FLAG_WRITE, &options)) < 0) {
+ av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n", hls->fmp4_init_filename);
+ return ret;
+ }
+ if (hls->format_options_str) {
+ ret = av_dict_parse_string(&hls->format_options, hls->format_options_str, "=", ":", 0);
+ if (ret < 0) {
+ av_log(s, AV_LOG_ERROR, "Could not parse format options list '%s'\n",
+ hls->format_options_str);
+ return ret;
+ }
+ }
+
+ av_dict_copy(&options, hls->format_options, 0);
+ av_dict_set(&options, "fflags", "-autobsf", 0);
+ av_dict_set(&options, "movflags", "frag_custom+dash+delay_moov", 0);
+ ret = avformat_init_output(oc, &options);
+ if (ret < 0)
+ return ret;
+ if (av_dict_count(options)) {
+ av_log(s, AV_LOG_ERROR, "Some of the provided format options in '%s' are not recognized\n", hls->format_options_str);
+ av_dict_free(&options);
+ return AVERROR(EINVAL);
+ }
+ av_dict_free(&options);
+ }
return 0;
}
{
HLSSegment *en = av_malloc(sizeof(*en));
const char *filename;
+ int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
int ret;
if (!en)
if (hls->use_localtime_mkdir) {
filename = hls->avf->filename;
}
- if (find_segment_by_filename(hls->segments, filename)
- || find_segment_by_filename(hls->old_segments, filename)) {
+ if ((find_segment_by_filename(hls->segments, filename) || find_segment_by_filename(hls->old_segments, filename))
+ && !byterange_mode) {
av_log(hls, AV_LOG_WARNING, "Duplicated segment filename detected: %s\n", filename);
}
av_strlcpy(en->filename, filename, sizeof(en->filename));
}
}
-static void set_http_options(AVFormatContext *s, AVDictionary **options, HLSContext *c)
-{
- const char *proto = avio_find_protocol_name(s->filename);
- int http_base_proto = proto ? (!av_strcasecmp(proto, "http") || !av_strcasecmp(proto, "https")) : 0;
-
- if (c->method) {
- av_dict_set(options, "method", c->method, 0);
- } else if (http_base_proto) {
- av_log(c, AV_LOG_WARNING, "No HTTP method set, hls muxer defaulting to method PUT.\n");
- av_dict_set(options, "method", "PUT", 0);
- }
-}
-
static void write_m3u8_head_block(HLSContext *hls, AVIOContext *out, int version,
int target_duration, int64_t sequence)
{
sequence = 0;
}
+ if (hls->segment_type == SEGMENT_TYPE_FMP4) {
+ version = 7;
+ }
+
if (!use_rename && !warned_non_file++)
av_log(s, AV_LOG_ERROR, "Cannot use rename on non file protocol, this may lead to races and temporary partial files\n");
avio_printf(out, "#EXT-X-DISCONTINUITY\n");
}
- 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:%"PRIi64"@%"PRIi64"\n",
- en->size, en->pos);
+ if ((hls->segment_type == SEGMENT_TYPE_FMP4) && (en == hls->segments)) {
+ avio_printf(out, "#EXT-X-MAP:URI=\"%s\"", hls->fmp4_init_filename);
+ if (hls->flags & HLS_SINGLE_FILE) {
+ avio_printf(out, ",BYTERANGE=\"%"PRId64"@%"PRId64"\"", en->size, en->pos);
+ }
+ avio_printf(out, "\n");
+ } else {
+ 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;
avio_printf(out, "#EXT-X-PROGRAM-DATE-TIME:%s.%03d%s\n", buf0, milli, buf1);
prog_date_time += en->duration;
}
- if (hls->baseurl)
- avio_printf(out, "%s", hls->baseurl);
- avio_printf(out, "%s\n", en->filename);
+ if (!((hls->segment_type == SEGMENT_TYPE_FMP4) && (en == hls->segments))) {
+ if (hls->baseurl)
+ avio_printf(out, "%s", hls->baseurl);
+ avio_printf(out, "%s\n", en->filename);
+ }
}
if (last && (hls->flags & HLS_OMIT_ENDLIST)==0)
av_log(s, AV_LOG_WARNING, "Cannot use both -hls_key_info_file and -hls_enc,"
" will use -hls_key_info_file priority\n");
}
- if (c->key_info_file) {
- if ((err = hls_encryption_start(s)) < 0)
- goto fail;
- } else {
- if ((err = do_encrypt(s)) < 0)
- goto fail;
+
+ if (c->number <= 1 || (c->flags & HLS_PERIODIC_REKEY)) {
+ if (c->key_info_file) {
+ if ((err = hls_encryption_start(s)) < 0)
+ goto fail;
+ } else {
+ if ((err = do_encrypt(s)) < 0)
+ goto fail;
+ }
}
if ((err = av_dict_set(&options, "encryption_key", c->key_string, 0))
< 0)
}
av_dict_free(&options);
- /* We only require one PAT/PMT per segment. */
- if (oc->oformat->priv_class && oc->priv_data) {
- char period[21];
+ if (c->segment_type == SEGMENT_TYPE_FMP4 && !(c->flags & HLS_SINGLE_FILE)) {
+ write_styp(oc->pb);
+ } else {
+ /* We only require one PAT/PMT per segment. */
+ if (oc->oformat->priv_class && oc->priv_data) {
+ char period[21];
- snprintf(period, sizeof(period), "%d", (INT_MAX / 2) - 1);
+ snprintf(period, sizeof(period), "%d", (INT_MAX / 2) - 1);
- av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
- av_opt_set(oc->priv_data, "sdt_period", period, 0);
- av_opt_set(oc->priv_data, "pat_period", period, 0);
+ av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
+ av_opt_set(oc->priv_data, "sdt_period", period, 0);
+ av_opt_set(oc->priv_data, "pat_period", period, 0);
+ }
}
if (c->vtt_basename) {
return err;
}
-static const char * get_default_pattern_localtime_fmt(void)
+static const char * get_default_pattern_localtime_fmt(AVFormatContext *s)
{
char b[21];
time_t t = time(NULL);
struct tm *p, tmbuf;
+ HLSContext *hls = s->priv_data;
+
p = localtime_r(&t, &tmbuf);
// no %s support when strftime returned error or left format string unchanged
// also no %s support on MSVC, which invokes the invalid parameter handler on unsupported format strings, instead of returning an error
+ if (hls->segment_type == SEGMENT_TYPE_FMP4) {
+ return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.m4s" : "-%s.m4s";
+ }
return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.ts" : "-%s.ts";
}
{
HLSContext *hls = s->priv_data;
int ret, i;
- char *p;
+ char *p = NULL;
const char *pattern = "%d.ts";
- const char *pattern_localtime_fmt = get_default_pattern_localtime_fmt();
+ const char *pattern_localtime_fmt = get_default_pattern_localtime_fmt(s);
const char *vtt_pattern = "%d.vtt";
AVDictionary *options = NULL;
- int basename_size;
- int vtt_basename_size;
+ int basename_size = 0;
+ int vtt_basename_size = 0;
+ if (hls->segment_type == SEGMENT_TYPE_FMP4) {
+ pattern = "%d.m4s";
+ }
if ((hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) ||
(hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME)) {
time_t t = time(NULL); // we will need it in either case
"More than a single video stream present, "
"expect issues decoding it.\n");
- hls->oformat = av_guess_format("mpegts", NULL, NULL);
+ if (hls->segment_type == SEGMENT_TYPE_FMP4) {
+ hls->oformat = av_guess_format("mp4", NULL, NULL);
+ } else {
+ hls->oformat = av_guess_format("mpegts", NULL, NULL);
+ }
if (!hls->oformat) {
ret = AVERROR_MUXER_NOT_FOUND;
goto fail;
}
} else {
- if (hls->flags & HLS_SINGLE_FILE)
- pattern = ".ts";
+ if (hls->flags & HLS_SINGLE_FILE) {
+ if (hls->segment_type == SEGMENT_TYPE_FMP4) {
+ pattern = ".m4s";
+ } else {
+ pattern = ".ts";
+ }
+ }
if (hls->use_localtime) {
basename_size = strlen(s->filename) + strlen(pattern_localtime_fmt) + 1;
av_strlcat(hls->basename, pattern, basename_size);
}
}
+
+ if (av_strcasecmp(hls->fmp4_init_filename, "init.mp4")) {
+ int fmp4_init_filename_len = strlen(hls->fmp4_init_filename) + 1;
+ hls->base_output_dirname = av_malloc(fmp4_init_filename_len);
+ if (!hls->base_output_dirname) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ av_strlcpy(hls->base_output_dirname, hls->fmp4_init_filename, fmp4_init_filename_len);
+ } else {
+ hls->base_output_dirname = av_malloc(basename_size);
+ if (!hls->base_output_dirname) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ av_strlcpy(hls->base_output_dirname, s->filename, basename_size);
+ p = strrchr(hls->base_output_dirname, '/');
+ if (p) {
+ *(p + 1) = '\0';
+ av_strlcat(hls->base_output_dirname, hls->fmp4_init_filename, basename_size);
+ } else {
+ av_strlcpy(hls->base_output_dirname, hls->fmp4_init_filename, basename_size);
+ }
+ }
+
if (!hls->use_localtime) {
ret = sls_flag_check_duration_size_index(hls);
if (ret < 0) {
av_strlcat(hls->vtt_basename, vtt_pattern, vtt_basename_size);
}
+ if ((hls->flags & HLS_SINGLE_FILE) && (hls->segment_type == SEGMENT_TYPE_FMP4)) {
+ hls->fmp4_init_filename = av_strdup(hls->basename);
+ if (!hls->fmp4_init_filename) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ }
+
if ((ret = hls_mux_init(s)) < 0)
goto fail;
}
}
- if ((ret = hls_start(s)) < 0)
- goto fail;
+ if (hls->segment_type != SEGMENT_TYPE_FMP4 || hls->flags & HLS_SINGLE_FILE) {
+ if ((ret = hls_start(s)) < 0)
+ goto fail;
+ }
av_dict_copy(&options, hls->format_options, 0);
ret = avformat_write_header(hls->avf, &options);
av_dict_free(&options);
if (ret < 0) {
+ av_freep(&hls->fmp4_init_filename);
av_freep(&hls->basename);
av_freep(&hls->vtt_basename);
av_freep(&hls->key_basename);
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;
+ int ret = 0, can_split = 1;
int stream_index = 0;
if (hls->sequence - hls->nb_entries > hls->start_sequence && hls->init_time > 0) {
}
}
- if (can_split && av_compare_ts(pkt->pts - hls->start_pts, st->time_base,
+ if (hls->fmp4_init_mode || can_split && av_compare_ts(pkt->pts - hls->start_pts, st->time_base,
end_pts, AV_TIME_BASE_Q) >= 0) {
int64_t new_start_pos;
char *old_filename = av_strdup(hls->avf->filename);
return AVERROR(ENOMEM);
}
- av_write_frame(oc, NULL); /* Flush any buffered data */
+ av_write_frame(hls->avf, NULL); /* Flush any buffered data */
new_start_pos = avio_tell(hls->avf->pb);
hls->size = new_start_pos - hls->start_pos;
}
if ((hls->flags & HLS_TEMP_FILE) && oc->filename[0]) {
if (!(hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size <= 0))
- if (hls->avf->oformat->priv_class && hls->avf->priv_data)
+ if ((hls->avf->oformat->priv_class && hls->avf->priv_data) && hls->segment_type != SEGMENT_TYPE_FMP4)
av_opt_set(hls->avf->priv_data, "mpegts_flags", "resend_headers", 0);
hls_rename_temp_file(s, oc);
}
- ret = hls_append_segment(s, hls, hls->duration, hls->start_pos, hls->size);
+ if (hls->fmp4_init_mode) {
+ hls->number--;
+ }
+
+ if (!hls->fmp4_init_mode || byterange_mode)
+ ret = hls_append_segment(s, hls, hls->duration, hls->start_pos, hls->size);
+
hls->start_pos = new_start_pos;
if (ret < 0) {
av_free(old_filename);
hls->end_pts = pkt->pts;
hls->duration = 0;
+ hls->fmp4_init_mode = 0;
if (hls->flags & HLS_SINGLE_FILE) {
hls->number++;
} else if (hls->max_seg_size > 0) {
return ret;
}
- if ((ret = hls_window(s, 0)) < 0) {
- return ret;
- }
+ if (!hls->fmp4_init_mode || byterange_mode)
+ if ((ret = hls_window(s, 0)) < 0) {
+ return ret;
+ }
}
ret = ff_write_chained(oc, stream_index, pkt, s, 0);
ff_format_io_close(s, &vtt_oc->pb);
}
av_freep(&hls->basename);
+ av_freep(&hls->base_output_dirname);
av_freep(&hls->key_basename);
avformat_free_context(oc);
hls->avf = NULL;
hls_window(s, 1);
+ av_freep(&hls->fmp4_init_filename);
if (vtt_oc) {
av_freep(&hls->vtt_basename);
av_freep(&hls->vtt_m3u8_name);
{"hls_enc_key_url", "url to access the key to decrypt the segments", OFFSET(key_url), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{"hls_enc_iv", "hex-coded 16 byte initialization vector", OFFSET(iv), AV_OPT_TYPE_STRING, .flags = E},
{"hls_subtitle_path", "set path of hls subtitles", OFFSET(subtitle_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
+ {"hls_segment_type", "set hls segment files type", OFFSET(segment_type), AV_OPT_TYPE_INT, {.i64 = SEGMENT_TYPE_MPEGTS }, 0, SEGMENT_TYPE_FMP4, E, "segment_type"},
+ {"mpegts", "make segment file to mpegts files in m3u8", 0, AV_OPT_TYPE_CONST, {.i64 = SEGMENT_TYPE_MPEGTS }, 0, UINT_MAX, E, "segment_type"},
+ {"fmp4", "make segment file to fragment mp4 files in m3u8", 0, AV_OPT_TYPE_CONST, {.i64 = SEGMENT_TYPE_FMP4 }, 0, UINT_MAX, E, "segment_type"},
+ {"hls_fmp4_init_filename", "set fragment mp4 file init filename", OFFSET(fmp4_init_filename), AV_OPT_TYPE_STRING, {.str = "init.mp4"}, 0, 0, E},
{"hls_flags", "set flags affecting HLS playlist and media file generation", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = 0 }, 0, UINT_MAX, E, "flags"},
{"single_file", "generate a single media file indexed with byte ranges", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SINGLE_FILE }, 0, UINT_MAX, E, "flags"},
{"temp_file", "write segment to temporary file and rename when complete", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_TEMP_FILE }, 0, UINT_MAX, E, "flags"},
{"second_level_segment_index", "include segment index in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_INDEX }, 0, UINT_MAX, E, "flags"},
{"second_level_segment_duration", "include segment duration in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_DURATION }, 0, UINT_MAX, E, "flags"},
{"second_level_segment_size", "include segment size in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_SIZE }, 0, UINT_MAX, E, "flags"},
+ {"periodic_rekey", "reload keyinfo file periodically for re-keying", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PERIODIC_REKEY }, 0, UINT_MAX, E, "flags"},
{"use_localtime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
{"use_localtime_mkdir", "create last directory component in strftime-generated filename", OFFSET(use_localtime_mkdir), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
{"hls_playlist_type", "set the HLS playlist type", OFFSET(pl_type), AV_OPT_TYPE_INT, {.i64 = PLAYLIST_TYPE_NONE }, 0, PLAYLIST_TYPE_NB-1, E, "pl_type" },
{"generic", "start_number value (default)", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_START_NUMBER }, INT_MIN, INT_MAX, E, "start_sequence_source_type" },
{"epoch", "seconds since epoch", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH }, INT_MIN, INT_MAX, E, "start_sequence_source_type" },
{"datetime", "current datetime as YYYYMMDDhhmmss", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_FORMATTED_DATETIME }, INT_MIN, INT_MAX, E, "start_sequence_source_type" },
+ {"http_user_agent", "override User-Agent field in HTTP header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{ NULL },
};
.audio_codec = AV_CODEC_ID_AAC,
.video_codec = AV_CODEC_ID_H264,
.subtitle_codec = AV_CODEC_ID_WEBVTT,
- .flags = AVFMT_NOFILE | AVFMT_ALLOW_FLUSH,
+ .flags = AVFMT_NOFILE | AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
.write_header = hls_write_header,
.write_packet = hls_write_packet,
.write_trailer = hls_write_trailer,