#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
+#include "libavutil/parseutils.h"
#include "libavutil/rational.h"
+#include "libavutil/time.h"
#include "libavutil/time_internal.h"
+#include "av1.h"
#include "avc.h"
#include "avformat.h"
#include "avio_internal.h"
#include "dash.h"
typedef enum {
- SEGMENT_TYPE_MP4 = 0,
+ SEGMENT_TYPE_AUTO = 0,
+ SEGMENT_TYPE_MP4,
SEGMENT_TYPE_WEBM,
SEGMENT_TYPE_NB
} SegmentType;
+enum {
+ FRAG_TYPE_NONE = 0,
+ FRAG_TYPE_EVERY_FRAME,
+ FRAG_TYPE_DURATION,
+ FRAG_TYPE_PFRAMES,
+ FRAG_TYPE_NB
+};
+
+#define MPD_PROFILE_DASH 1
+#define MPD_PROFILE_DVB 2
+
typedef struct Segment {
char file[1024];
int64_t start_pos;
int range_length, index_length;
int64_t time;
- int duration;
+ double prog_date_time;
+ int64_t duration;
int n;
} Segment;
typedef struct AdaptationSet {
- char id[10];
+ int id;
+ char *descriptor;
+ int64_t seg_duration;
+ int64_t frag_duration;
+ int frag_type;
enum AVMediaType media_type;
AVDictionary *metadata;
AVRational min_frame_rate, max_frame_rate;
int ambiguous_frame_rate;
+ int64_t max_frag_duration;
+ int max_width, max_height;
+ int nb_streams;
+ AVRational par;
+ int trick_idx;
} AdaptationSet;
typedef struct OutputStream {
AVFormatContext *ctx;
int ctx_inited, as_idx;
AVIOContext *out;
+ AVCodecParserContext *parser;
+ AVCodecContext *parser_avctx;
int packets_written;
char initfile[1024];
int64_t init_start_pos, pos;
int init_range_length;
int nb_segments, segments_size, segment_index;
+ int64_t seg_duration;
+ int64_t frag_duration;
+ int64_t last_duration;
Segment **segments;
int64_t first_pts, start_pts, max_pts;
int64_t last_dts, last_pts;
+ int last_flags;
int bit_rate;
+ int first_segment_bit_rate;
+ SegmentType segment_type; /* segment type selected for this particular stream */
+ const char *format_name;
+ const char *extension_name;
+ const char *single_file_name; /* file names selected for this particular stream */
+ const char *init_seg_name;
+ const char *media_seg_name;
char codec_str[100];
int written_len;
char full_path[1024];
char temp_path[1024];
double availability_time_offset;
+ AVProducerReferenceTime producer_reference_time;
+ char producer_reference_time_str[100];
int total_pkt_size;
+ int64_t total_pkt_duration;
int muxer_overhead;
+ int frag_type;
+ int64_t gop_size;
+ AVRational sar;
+ int coding_dependency;
} OutputStream;
typedef struct DASHContext {
int nb_as;
int window_size;
int extra_window_size;
-#if FF_API_DASH_MIN_SEG_DURATION
- int min_seg_duration;
-#endif
int64_t seg_duration;
+ int64_t frag_duration;
int remove_at_exit;
int use_template;
int use_timeline;
int64_t last_duration;
int64_t total_duration;
char availability_start_time[100];
+ time_t start_time_s;
+ int64_t presentation_time_offset;
char dirname[1024];
- const char *single_file_name;
+ const char *single_file_name; /* file names as specified in options */
const char *init_seg_name;
const char *media_seg_name;
const char *utc_timing_url;
const char *method;
const char *user_agent;
+ AVDictionary *http_opts;
int hls_playlist;
+ const char *hls_master_name;
int http_persistent;
int master_playlist_created;
AVIOContext *mpd_out;
int streaming;
int64_t timeout;
int index_correction;
- char *format_options_str;
- SegmentType segment_type;
- const char *format_name;
+ AVDictionary *format_options;
+ int global_sidx;
+ SegmentType segment_type_option; /* segment type as specified in options */
+ int ignore_io_errors;
+ int lhls;
+ int ldash;
+ int master_publish_rate;
+ int nr_of_streams_to_flush;
+ int nr_of_streams_flushed;
+ int frag_type;
+ int write_prft;
+ int64_t max_gop_size;
+ int64_t max_segment_duration;
+ int profile;
+ int64_t target_latency;
+ int target_latency_refid;
+ AVRational min_playback_rate;
+ AVRational max_playback_rate;
+ int64_t update_period;
} DASHContext;
static struct codec_string {
{ AV_CODEC_ID_VP9, "vp9" },
{ AV_CODEC_ID_VORBIS, "vorbis" },
{ AV_CODEC_ID_OPUS, "opus" },
+ { AV_CODEC_ID_FLAC, "flac" },
{ 0, NULL }
};
SegmentType segment_type;
const char *str;
} formats[] = {
+ { SEGMENT_TYPE_AUTO, "auto" },
{ SEGMENT_TYPE_MP4, "mp4" },
{ SEGMENT_TYPE_WEBM, "webm" },
{ 0, NULL }
URLContext *http_url_context = ffio_geturlcontext(*pb);
av_assert0(http_url_context);
err = ff_http_do_new_request(http_url_context, filename);
+ if (err < 0)
+ ff_format_io_close(s, pb);
#endif
}
return err;
DASHContext *c = s->priv_data;
int http_base_proto = filename ? ff_is_http_proto(filename) : 0;
+ if (!*pb)
+ return;
+
if (!http_base_proto || !c->http_persistent) {
ff_format_io_close(s, pb);
#if CONFIG_HTTP_PROTOCOL
return NULL;
}
+static const char *get_extension_str(SegmentType type, int single_file)
+{
+ switch (type) {
+
+ case SEGMENT_TYPE_MP4: return single_file ? "mp4" : "m4s";
+ case SEGMENT_TYPE_WEBM: return "webm";
+ default: return NULL;
+ }
+}
+
+static int handle_io_open_error(AVFormatContext *s, int err, char *url) {
+ DASHContext *c = s->priv_data;
+ char errbuf[AV_ERROR_MAX_STRING_SIZE];
+ av_strerror(err, errbuf, sizeof(errbuf));
+ av_log(s, c->ignore_io_errors ? AV_LOG_WARNING : AV_LOG_ERROR,
+ "Unable to open %s for writing: %s\n", url, errbuf);
+ return c->ignore_io_errors ? 0 : err;
+}
+
+static inline SegmentType select_segment_type(SegmentType segment_type, enum AVCodecID codec_id)
+{
+ if (segment_type == SEGMENT_TYPE_AUTO) {
+ if (codec_id == AV_CODEC_ID_OPUS || codec_id == AV_CODEC_ID_VORBIS ||
+ codec_id == AV_CODEC_ID_VP8 || codec_id == AV_CODEC_ID_VP9) {
+ segment_type = SEGMENT_TYPE_WEBM;
+ } else {
+ segment_type = SEGMENT_TYPE_MP4;
+ }
+ }
+
+ return segment_type;
+}
+
+static int init_segment_types(AVFormatContext *s)
+{
+ DASHContext *c = s->priv_data;
+ int has_mp4_streams = 0;
+ for (int i = 0; i < s->nb_streams; ++i) {
+ OutputStream *os = &c->streams[i];
+ SegmentType segment_type = select_segment_type(
+ c->segment_type_option, s->streams[i]->codecpar->codec_id);
+ os->segment_type = segment_type;
+ os->format_name = get_format_str(segment_type);
+ if (!os->format_name) {
+ av_log(s, AV_LOG_ERROR, "Could not select DASH segment type for stream %d\n", i);
+ return AVERROR_MUXER_NOT_FOUND;
+ }
+ os->extension_name = get_extension_str(segment_type, c->single_file);
+ if (!os->extension_name) {
+ av_log(s, AV_LOG_ERROR, "Could not get extension type for stream %d\n", i);
+ return AVERROR_MUXER_NOT_FOUND;
+ }
+
+ has_mp4_streams |= segment_type == SEGMENT_TYPE_MP4;
+ }
+
+ if (c->hls_playlist && !has_mp4_streams) {
+ av_log(s, AV_LOG_WARNING, "No mp4 streams, disabling HLS manifest generation\n");
+ c->hls_playlist = 0;
+ }
+
+ return 0;
+}
+
static int check_file_extension(const char *filename, const char *extension) {
char *dot;
if (!filename || !extension)
else
return;
- tag = av_codec_get_tag(tags, par->codec_id);
+ tag = par->codec_tag;
+ if (!tag)
+ tag = av_codec_get_tag(tags, par->codec_id);
if (!tag)
return;
if (size < 5)
av_strlcatf(str, size, ".%02x%02x%02x",
extradata[1], extradata[2], extradata[3]);
av_free(tmpbuf);
+ } else if (!strcmp(str, "av01")) {
+ AV1SequenceParameters seq;
+ if (!par->extradata_size)
+ return;
+ if (ff_av1_parse_seq_header(&seq, par->extradata, par->extradata_size) < 0)
+ return;
+
+ av_strlcatf(str, size, ".%01u.%02u%s.%02u",
+ seq.profile, seq.level, seq.tier ? "H" : "M", seq.bitdepth);
+ if (seq.color_description_present_flag)
+ av_strlcatf(str, size, ".%01u.%01u%01u%01u.%02u.%02u.%02u.%01u",
+ seq.monochrome,
+ seq.chroma_subsampling_x, seq.chroma_subsampling_y, seq.chroma_sample_position,
+ seq.color_primaries, seq.transfer_characteristics, seq.matrix_coefficients,
+ seq.color_range);
}
}
-static int flush_dynbuf(OutputStream *os, int *range_length)
+static int flush_dynbuf(DASHContext *c, OutputStream *os, int *range_length)
{
uint8_t *buffer;
av_write_frame(os->ctx, NULL);
avio_flush(os->ctx->pb);
- // write out to file
- *range_length = avio_close_dyn_buf(os->ctx->pb, &buffer);
- os->ctx->pb = NULL;
- avio_write(os->out, buffer + os->written_len, *range_length - os->written_len);
- os->written_len = 0;
- av_free(buffer);
-
- // re-open buffer
- return avio_open_dyn_buf(&os->ctx->pb);
+ if (!c->single_file) {
+ // write out to file
+ *range_length = avio_close_dyn_buf(os->ctx->pb, &buffer);
+ os->ctx->pb = NULL;
+ if (os->out)
+ avio_write(os->out, buffer + os->written_len, *range_length - os->written_len);
+ os->written_len = 0;
+ av_free(buffer);
+
+ // re-open buffer
+ return avio_open_dyn_buf(&os->ctx->pb);
+ } else {
+ *range_length = avio_tell(os->ctx->pb) - os->pos;
+ return 0;
+ }
}
static void set_http_options(AVDictionary **options, DASHContext *c)
{
if (c->method)
av_dict_set(options, "method", c->method, 0);
+ av_dict_copy(options, c->http_opts, 0);
if (c->user_agent)
av_dict_set(options, "user_agent", c->user_agent, 0);
if (c->http_persistent)
snprintf(playlist_name, string_size, "media_%d.m3u8", id);
}
+static void get_start_index_number(OutputStream *os, DASHContext *c,
+ int *start_index, int *start_number) {
+ *start_index = 0;
+ *start_number = 1;
+ if (c->window_size) {
+ *start_index = FFMAX(os->nb_segments - c->window_size, 0);
+ *start_number = FFMAX(os->segment_index - c->window_size, 1);
+ }
+}
+
+static void write_hls_media_playlist(OutputStream *os, AVFormatContext *s,
+ int representation_id, int final,
+ char *prefetch_url) {
+ DASHContext *c = s->priv_data;
+ int timescale = os->ctx->streams[0]->time_base.den;
+ char temp_filename_hls[1024];
+ char filename_hls[1024];
+ AVDictionary *http_opts = NULL;
+ int target_duration = 0;
+ int ret = 0;
+ const char *proto = avio_find_protocol_name(c->dirname);
+ int use_rename = proto && !strcmp(proto, "file");
+ int i, start_index, start_number;
+ double prog_date_time = 0;
+
+ get_start_index_number(os, c, &start_index, &start_number);
+
+ if (!c->hls_playlist || start_index >= os->nb_segments ||
+ os->segment_type != SEGMENT_TYPE_MP4)
+ return;
+
+ get_hls_playlist_name(filename_hls, sizeof(filename_hls),
+ c->dirname, representation_id);
+
+ snprintf(temp_filename_hls, sizeof(temp_filename_hls), use_rename ? "%s.tmp" : "%s", filename_hls);
+
+ set_http_options(&http_opts, c);
+ ret = dashenc_io_open(s, &c->m3u8_out, temp_filename_hls, &http_opts);
+ av_dict_free(&http_opts);
+ if (ret < 0) {
+ handle_io_open_error(s, ret, temp_filename_hls);
+ return;
+ }
+ for (i = start_index; i < os->nb_segments; i++) {
+ Segment *seg = os->segments[i];
+ double duration = (double) seg->duration / timescale;
+ if (target_duration <= duration)
+ target_duration = lrint(duration);
+ }
+
+ ff_hls_write_playlist_header(c->m3u8_out, 6, -1, target_duration,
+ start_number, PLAYLIST_TYPE_NONE, 0);
+
+ ff_hls_write_init_file(c->m3u8_out, os->initfile, c->single_file,
+ os->init_range_length, os->init_start_pos);
+
+ for (i = start_index; i < os->nb_segments; i++) {
+ Segment *seg = os->segments[i];
+
+ if (prog_date_time == 0) {
+ if (os->nb_segments == 1)
+ prog_date_time = c->start_time_s;
+ else
+ prog_date_time = seg->prog_date_time;
+ }
+ seg->prog_date_time = prog_date_time;
+
+ ret = ff_hls_write_file_entry(c->m3u8_out, 0, c->single_file,
+ (double) seg->duration / timescale, 0,
+ seg->range_length, seg->start_pos, NULL,
+ c->single_file ? os->initfile : seg->file,
+ &prog_date_time, 0, 0, 0);
+ if (ret < 0) {
+ av_log(os->ctx, AV_LOG_WARNING, "ff_hls_write_file_entry get error\n");
+ }
+ }
+
+ if (prefetch_url)
+ avio_printf(c->m3u8_out, "#EXT-X-PREFETCH:%s\n", prefetch_url);
+
+ if (final)
+ ff_hls_write_end_list(c->m3u8_out);
+
+ dashenc_io_close(s, &c->m3u8_out, temp_filename_hls);
+
+ if (use_rename)
+ ff_rename(temp_filename_hls, filename_hls, os->ctx);
+}
+
static int flush_init_segment(AVFormatContext *s, OutputStream *os)
{
DASHContext *c = s->priv_data;
int ret, range_length;
- ret = flush_dynbuf(os, &range_length);
+ ret = flush_dynbuf(c, os, &range_length);
if (ret < 0)
return ret;
os->pos = os->init_range_length = range_length;
- if (!c->single_file)
- ff_format_io_close(s, &os->out);
+ if (!c->single_file) {
+ char filename[1024];
+ snprintf(filename, sizeof(filename), "%s%s", c->dirname, os->initfile);
+ dashenc_io_close(s, &os->out, filename);
+ }
return 0;
}
int i, j;
if (c->as) {
- for (i = 0; i < c->nb_as; i++)
+ for (i = 0; i < c->nb_as; i++) {
av_dict_free(&c->as[i].metadata);
+ av_freep(&c->as[i].descriptor);
+ }
av_freep(&c->as);
c->nb_as = 0;
}
return;
for (i = 0; i < s->nb_streams; i++) {
OutputStream *os = &c->streams[i];
- if (os->ctx && os->ctx_inited)
- av_write_trailer(os->ctx);
- if (os->ctx && os->ctx->pb)
- ffio_free_dyn_buf(&os->ctx->pb);
+ if (os->ctx && os->ctx->pb) {
+ if (!c->single_file)
+ ffio_free_dyn_buf(&os->ctx->pb);
+ else
+ avio_close(os->ctx->pb);
+ }
ff_format_io_close(s, &os->out);
- if (os->ctx)
- avformat_free_context(os->ctx);
+ avformat_free_context(os->ctx);
+ avcodec_free_context(&os->parser_avctx);
+ av_parser_close(os->parser);
for (j = 0; j < os->nb_segments; j++)
av_free(os->segments[j]);
av_free(os->segments);
+ av_freep(&os->single_file_name);
+ av_freep(&os->init_seg_name);
+ av_freep(&os->media_seg_name);
}
av_freep(&c->streams);
int representation_id, int final)
{
DASHContext *c = s->priv_data;
- int i, start_index = 0, start_number = 1;
- if (c->window_size) {
- start_index = FFMAX(os->nb_segments - c->window_size, 0);
- start_number = FFMAX(os->segment_index - c->window_size, 1);
- }
+ int i, start_index, start_number;
+ get_start_index_number(os, c, &start_index, &start_number);
if (c->use_template) {
int timescale = c->use_timeline ? os->ctx->streams[0]->time_base.den : AV_TIME_BASE;
avio_printf(out, "\t\t\t\t<SegmentTemplate timescale=\"%d\" ", timescale);
if (!c->use_timeline) {
- avio_printf(out, "duration=\"%"PRId64"\" ", c->seg_duration);
+ avio_printf(out, "duration=\"%"PRId64"\" ", os->seg_duration);
if (c->streaming && os->availability_time_offset)
avio_printf(out, "availabilityTimeOffset=\"%.3f\" ",
os->availability_time_offset);
}
- avio_printf(out, "initialization=\"%s\" media=\"%s\" startNumber=\"%d\">\n", c->init_seg_name, c->media_seg_name, c->use_timeline ? start_number : 1);
+ if (c->streaming && os->availability_time_offset && !final)
+ avio_printf(out, "availabilityTimeComplete=\"false\" ");
+
+ avio_printf(out, "initialization=\"%s\" media=\"%s\" startNumber=\"%d\"", os->init_seg_name, os->media_seg_name, c->use_timeline ? start_number : 1);
+ if (c->presentation_time_offset)
+ avio_printf(out, " presentationTimeOffset=\"%"PRId64"\"", c->presentation_time_offset);
+ avio_printf(out, ">\n");
if (c->use_timeline) {
int64_t cur_time = 0;
avio_printf(out, "\t\t\t\t\t<SegmentTimeline>\n");
cur_time = seg->time;
avio_printf(out, "t=\"%"PRId64"\" ", seg->time);
}
- avio_printf(out, "d=\"%d\" ", seg->duration);
+ avio_printf(out, "d=\"%"PRId64"\" ", seg->duration);
while (i + repeat + 1 < os->nb_segments &&
os->segments[i + repeat + 1]->duration == seg->duration &&
os->segments[i + repeat + 1]->time == os->segments[i + repeat]->time + os->segments[i + repeat]->duration)
avio_printf(out, "\t\t\t\t</SegmentTemplate>\n");
} else if (c->single_file) {
avio_printf(out, "\t\t\t\t<BaseURL>%s</BaseURL>\n", os->initfile);
- avio_printf(out, "\t\t\t\t<SegmentList timescale=\"%d\" duration=\"%"PRId64"\" startNumber=\"%d\">\n", AV_TIME_BASE, c->last_duration, start_number);
+ avio_printf(out, "\t\t\t\t<SegmentList timescale=\"%d\" duration=\"%"PRId64"\" startNumber=\"%d\">\n", AV_TIME_BASE, FFMIN(os->seg_duration, os->last_duration), start_number);
avio_printf(out, "\t\t\t\t\t<Initialization range=\"%"PRId64"-%"PRId64"\" />\n", os->init_start_pos, os->init_start_pos + os->init_range_length - 1);
for (i = start_index; i < os->nb_segments; i++) {
Segment *seg = os->segments[i];
}
avio_printf(out, "\t\t\t\t</SegmentList>\n");
} else {
- avio_printf(out, "\t\t\t\t<SegmentList timescale=\"%d\" duration=\"%"PRId64"\" startNumber=\"%d\">\n", AV_TIME_BASE, c->last_duration, start_number);
+ avio_printf(out, "\t\t\t\t<SegmentList timescale=\"%d\" duration=\"%"PRId64"\" startNumber=\"%d\">\n", AV_TIME_BASE, FFMIN(os->seg_duration, os->last_duration), start_number);
avio_printf(out, "\t\t\t\t\t<Initialization sourceURL=\"%s\" />\n", os->initfile);
for (i = start_index; i < os->nb_segments; i++) {
Segment *seg = os->segments[i];
}
avio_printf(out, "\t\t\t\t</SegmentList>\n");
}
- if (c->hls_playlist && start_index < os->nb_segments)
- {
- int timescale = os->ctx->streams[0]->time_base.den;
- char temp_filename_hls[1024];
- char filename_hls[1024];
- AVDictionary *http_opts = NULL;
- int target_duration = 0;
- int ret = 0;
- const char *proto = avio_find_protocol_name(c->dirname);
- int use_rename = proto && !strcmp(proto, "file");
-
- get_hls_playlist_name(filename_hls, sizeof(filename_hls),
- c->dirname, representation_id);
-
- snprintf(temp_filename_hls, sizeof(temp_filename_hls), use_rename ? "%s.tmp" : "%s", filename_hls);
-
- set_http_options(&http_opts, c);
- dashenc_io_open(s, &c->m3u8_out, temp_filename_hls, &http_opts);
- av_dict_free(&http_opts);
- for (i = start_index; i < os->nb_segments; i++) {
- Segment *seg = os->segments[i];
- double duration = (double) seg->duration / timescale;
- if (target_duration <= duration)
- target_duration = lrint(duration);
- }
-
- ff_hls_write_playlist_header(c->m3u8_out, 6, -1, target_duration,
- start_number, PLAYLIST_TYPE_NONE);
-
- ff_hls_write_init_file(c->m3u8_out, os->initfile, c->single_file,
- os->init_range_length, os->init_start_pos);
-
- for (i = start_index; i < os->nb_segments; i++) {
- Segment *seg = os->segments[i];
- ret = ff_hls_write_file_entry(c->m3u8_out, 0, c->single_file,
- (double) seg->duration / timescale, 0,
- seg->range_length, seg->start_pos, NULL,
- c->single_file ? os->initfile : seg->file,
- NULL);
- if (ret < 0) {
- av_log(os->ctx, AV_LOG_WARNING, "ff_hls_write_file_entry get error\n");
- }
- }
-
- if (final)
- ff_hls_write_end_list(c->m3u8_out);
-
- dashenc_io_close(s, &c->m3u8_out, temp_filename_hls);
-
- if (use_rename)
- if (avpriv_io_move(temp_filename_hls, filename_hls) < 0) {
- av_log(os->ctx, AV_LOG_WARNING, "renaming file %s to %s failed\n\n", temp_filename_hls, filename_hls);
- }
+ if (!c->lhls || final) {
+ write_hls_media_playlist(os, s, representation_id, final, NULL);
}
}
avio_printf(out, "%d.%dS", seconds, fractions / (AV_TIME_BASE / 10));
}
-static void format_date_now(char *buf, int size)
+static void format_date(char *buf, int size, int64_t time_us)
{
- time_t t = time(NULL);
struct tm *ptm, tmbuf;
- ptm = gmtime_r(&t, &tmbuf);
+ int64_t time_ms = time_us / 1000;
+ const time_t time_s = time_ms / 1000;
+ int millisec = time_ms - (time_s * 1000);
+ ptm = gmtime_r(&time_s, &tmbuf);
if (ptm) {
- if (!strftime(buf, size, "%Y-%m-%dT%H:%M:%SZ", ptm))
+ int len;
+ if (!strftime(buf, size, "%Y-%m-%dT%H:%M:%S", ptm)) {
buf[0] = '\0';
+ return;
+ }
+ len = strlen(buf);
+ snprintf(buf + len, size - len, ".%03dZ", millisec);
}
}
AVDictionaryEntry *lang, *role;
int i;
- avio_printf(out, "\t\t<AdaptationSet id=\"%s\" contentType=\"%s\" segmentAlignment=\"true\" bitstreamSwitching=\"true\"",
+ avio_printf(out, "\t\t<AdaptationSet id=\"%d\" contentType=\"%s\" startWithSAP=\"1\" segmentAlignment=\"true\" bitstreamSwitching=\"true\"",
as->id, as->media_type == AVMEDIA_TYPE_VIDEO ? "video" : "audio");
if (as->media_type == AVMEDIA_TYPE_VIDEO && as->max_frame_rate.num && !as->ambiguous_frame_rate && av_cmp_q(as->min_frame_rate, as->max_frame_rate) < 0)
avio_printf(out, " maxFrameRate=\"%d/%d\"", as->max_frame_rate.num, as->max_frame_rate.den);
+ else if (as->media_type == AVMEDIA_TYPE_VIDEO && as->max_frame_rate.num && !as->ambiguous_frame_rate && !av_cmp_q(as->min_frame_rate, as->max_frame_rate))
+ avio_printf(out, " frameRate=\"%d/%d\"", as->max_frame_rate.num, as->max_frame_rate.den);
+ if (as->media_type == AVMEDIA_TYPE_VIDEO) {
+ avio_printf(out, " maxWidth=\"%d\" maxHeight=\"%d\"", as->max_width, as->max_height);
+ avio_printf(out, " par=\"%d:%d\"", as->par.num, as->par.den);
+ }
lang = av_dict_get(as->metadata, "language", NULL, 0);
if (lang)
avio_printf(out, " lang=\"%s\"", lang->value);
avio_printf(out, ">\n");
+ if (!final && c->ldash && as->max_frag_duration && !(c->profile & MPD_PROFILE_DVB))
+ avio_printf(out, "\t\t\t<Resync dT=\"%"PRId64"\" type=\"0\"/>\n", as->max_frag_duration);
+ if (as->trick_idx >= 0)
+ avio_printf(out, "\t\t\t<EssentialProperty id=\"%d\" schemeIdUri=\"http://dashif.org/guidelines/trickmode\" value=\"%d\"/>\n", as->id, as->trick_idx);
role = av_dict_get(as->metadata, "role", NULL, 0);
if (role)
avio_printf(out, "\t\t\t<Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"%s\"/>\n", role->value);
-
+ if (as->descriptor)
+ avio_printf(out, "\t\t\t%s\n", as->descriptor);
for (i = 0; i < s->nb_streams; i++) {
+ AVStream *st = s->streams[i];
OutputStream *os = &c->streams[i];
char bandwidth_str[64] = {'\0'};
continue;
if (os->bit_rate > 0)
- snprintf(bandwidth_str, sizeof(bandwidth_str), " bandwidth=\"%d\"",
- os->bit_rate);
+ snprintf(bandwidth_str, sizeof(bandwidth_str), " bandwidth=\"%d\"", os->bit_rate);
+ else if (final) {
+ int average_bit_rate = os->pos * 8 * AV_TIME_BASE / c->total_duration;
+ snprintf(bandwidth_str, sizeof(bandwidth_str), " bandwidth=\"%d\"", average_bit_rate);
+ } else if (os->first_segment_bit_rate > 0)
+ snprintf(bandwidth_str, sizeof(bandwidth_str), " bandwidth=\"%d\"", os->first_segment_bit_rate);
if (as->media_type == AVMEDIA_TYPE_VIDEO) {
- AVStream *st = s->streams[i];
avio_printf(out, "\t\t\t<Representation id=\"%d\" mimeType=\"video/%s\" codecs=\"%s\"%s width=\"%d\" height=\"%d\"",
- i, c->format_name, os->codec_str, bandwidth_str, s->streams[i]->codecpar->width, s->streams[i]->codecpar->height);
- if (st->avg_frame_rate.num)
+ i, os->format_name, os->codec_str, bandwidth_str, s->streams[i]->codecpar->width, s->streams[i]->codecpar->height);
+ if (st->codecpar->field_order == AV_FIELD_UNKNOWN)
+ avio_printf(out, " scanType=\"unknown\"");
+ else if (st->codecpar->field_order != AV_FIELD_PROGRESSIVE)
+ avio_printf(out, " scanType=\"interlaced\"");
+ avio_printf(out, " sar=\"%d:%d\"", os->sar.num, os->sar.den);
+ if (st->avg_frame_rate.num && av_cmp_q(as->min_frame_rate, as->max_frame_rate) < 0)
avio_printf(out, " frameRate=\"%d/%d\"", st->avg_frame_rate.num, st->avg_frame_rate.den);
+ if (as->trick_idx >= 0) {
+ AdaptationSet *tas = &c->as[as->trick_idx];
+ if (!as->ambiguous_frame_rate && !tas->ambiguous_frame_rate)
+ avio_printf(out, " maxPlayoutRate=\"%d\"", FFMAX((int)av_q2d(av_div_q(tas->min_frame_rate, as->min_frame_rate)), 1));
+ }
+ if (!os->coding_dependency)
+ avio_printf(out, " codingDependency=\"false\"");
avio_printf(out, ">\n");
} else {
avio_printf(out, "\t\t\t<Representation id=\"%d\" mimeType=\"audio/%s\" codecs=\"%s\"%s audioSamplingRate=\"%d\">\n",
- i, c->format_name, os->codec_str, bandwidth_str, s->streams[i]->codecpar->sample_rate);
+ i, os->format_name, os->codec_str, bandwidth_str, s->streams[i]->codecpar->sample_rate);
avio_printf(out, "\t\t\t\t<AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"%d\" />\n",
s->streams[i]->codecpar->channels);
}
+ if (!final && c->write_prft && os->producer_reference_time_str[0]) {
+ avio_printf(out, "\t\t\t\t<ProducerReferenceTime id=\"%d\" inband=\"true\" type=\"%s\" wallClockTime=\"%s\" presentationTime=\"%"PRId64"\">\n",
+ i, os->producer_reference_time.flags ? "captured" : "encoder", os->producer_reference_time_str, c->presentation_time_offset);
+ avio_printf(out, "\t\t\t\t\t<UTCTiming schemeIdUri=\"urn:mpeg:dash:utc:http-xsdate:2014\" value=\"%s\"/>\n", c->utc_timing_url);
+ avio_printf(out, "\t\t\t\t</ProducerReferenceTime>\n");
+ }
+ if (!final && c->ldash && os->gop_size && os->frag_type != FRAG_TYPE_NONE && !(c->profile & MPD_PROFILE_DVB) &&
+ (os->frag_type != FRAG_TYPE_DURATION || os->frag_duration != os->seg_duration))
+ avio_printf(out, "\t\t\t\t<Resync dT=\"%"PRId64"\" type=\"1\"/>\n", os->gop_size);
output_segment_list(os, out, s, i, final);
avio_printf(out, "\t\t\t</Representation>\n");
}
static int add_adaptation_set(AVFormatContext *s, AdaptationSet **as, enum AVMediaType type)
{
DASHContext *c = s->priv_data;
+ void *mem;
- void *mem = av_realloc(c->as, sizeof(*c->as) * (c->nb_as + 1));
+ if (c->profile & MPD_PROFILE_DVB && (c->nb_as + 1) > 16) {
+ av_log(s, AV_LOG_ERROR, "DVB-DASH profile allows a max of 16 Adaptation Sets\n");
+ return AVERROR(EINVAL);
+ }
+ mem = av_realloc(c->as, sizeof(*c->as) * (c->nb_as + 1));
if (!mem)
return AVERROR(ENOMEM);
c->as = mem;
*as = &c->as[c->nb_as - 1];
memset(*as, 0, sizeof(**as));
(*as)->media_type = type;
+ (*as)->frag_type = -1;
+ (*as)->trick_idx = -1;
return 0;
}
av_log(s, AV_LOG_ERROR, "Stream %d is already assigned to an AdaptationSet\n", i);
return AVERROR(EINVAL);
}
+ if (c->profile & MPD_PROFILE_DVB && (as->nb_streams + 1) > 16) {
+ av_log(s, AV_LOG_ERROR, "DVB-DASH profile allows a max of 16 Representations per Adaptation Set\n");
+ return AVERROR(EINVAL);
+ }
os->as_idx = as_idx;
+ ++as->nb_streams;
return 0;
}
{
DASHContext *c = s->priv_data;
const char *p = c->adaptation_sets;
- enum { new_set, parse_id, parsing_streams } state;
+ enum { new_set, parse_default, parsing_streams, parse_seg_duration, parse_frag_duration } state;
AdaptationSet *as;
int i, n, ret;
for (i = 0; i < s->nb_streams; i++) {
if ((ret = add_adaptation_set(s, &as, s->streams[i]->codecpar->codec_type)) < 0)
return ret;
- snprintf(as->id, sizeof(as->id), "%d", i);
+ as->id = i;
c->streams[i].as_idx = c->nb_as;
+ ++as->nb_streams;
}
goto end;
}
// syntax id=0,streams=0,1,2 id=1,streams=3,4 and so on
+ // option id=0,descriptor=descriptor_str,streams=0,1,2 and so on
+ // option id=0,seg_duration=2.5,frag_duration=0.5,streams=0,1,2
+ // id=1,trick_id=0,seg_duration=10,frag_type=none,streams=3 and so on
+ // descriptor is useful to the scheme defined by ISO/IEC 23009-1:2014/Amd.2:2015
+ // descriptor_str should be a self-closing xml tag.
+ // seg_duration and frag_duration have the same syntax as the global options of
+ // the same name, and the former have precedence over them if set.
state = new_set;
while (*p) {
if (*p == ' ') {
p++;
continue;
} else if (state == new_set && av_strstart(p, "id=", &p)) {
+ char id_str[10], *end_str;
+
+ n = strcspn(p, ",");
+ snprintf(id_str, sizeof(id_str), "%.*s", n, p);
+
+ i = strtol(id_str, &end_str, 10);
+ if (id_str == end_str || i < 0 || i > c->nb_as) {
+ av_log(s, AV_LOG_ERROR, "\"%s\" is not a valid value for an AdaptationSet id\n", id_str);
+ return AVERROR(EINVAL);
+ }
if ((ret = add_adaptation_set(s, &as, AVMEDIA_TYPE_UNKNOWN)) < 0)
return ret;
+ as->id = i;
+
+ p += n;
+ if (*p)
+ p++;
+ state = parse_default;
+ } else if (state != new_set && av_strstart(p, "seg_duration=", &p)) {
+ state = parse_seg_duration;
+ } else if (state != new_set && av_strstart(p, "frag_duration=", &p)) {
+ state = parse_frag_duration;
+ } else if (state == parse_seg_duration || state == parse_frag_duration) {
+ char str[32];
+ int64_t usecs = 0;
n = strcspn(p, ",");
- snprintf(as->id, sizeof(as->id), "%.*s", n, p);
+ snprintf(str, sizeof(str), "%.*s", n, p);
+ p += n;
+ if (*p)
+ p++;
+
+ ret = av_parse_time(&usecs, str, 1);
+ if (ret < 0) {
+ av_log(s, AV_LOG_ERROR, "Unable to parse option value \"%s\" as duration\n", str);
+ return ret;
+ }
+
+ if (state == parse_seg_duration)
+ as->seg_duration = usecs;
+ else
+ as->frag_duration = usecs;
+ state = parse_default;
+ } else if (state != new_set && av_strstart(p, "frag_type=", &p)) {
+ char type_str[16];
+ n = strcspn(p, ",");
+ snprintf(type_str, sizeof(type_str), "%.*s", n, p);
p += n;
if (*p)
p++;
- state = parse_id;
- } else if (state == parse_id && av_strstart(p, "streams=", &p)) {
+
+ if (!strcmp(type_str, "duration"))
+ as->frag_type = FRAG_TYPE_DURATION;
+ else if (!strcmp(type_str, "pframes"))
+ as->frag_type = FRAG_TYPE_PFRAMES;
+ else if (!strcmp(type_str, "every_frame"))
+ as->frag_type = FRAG_TYPE_EVERY_FRAME;
+ else if (!strcmp(type_str, "none"))
+ as->frag_type = FRAG_TYPE_NONE;
+ else {
+ av_log(s, AV_LOG_ERROR, "Unable to parse option value \"%s\" as fragment type\n", type_str);
+ return ret;
+ }
+ state = parse_default;
+ } else if (state != new_set && av_strstart(p, "descriptor=", &p)) {
+ n = strcspn(p, ">") + 1; //followed by one comma, so plus 1
+ if (n < strlen(p)) {
+ as->descriptor = av_strndup(p, n);
+ } else {
+ av_log(s, AV_LOG_ERROR, "Parse error, descriptor string should be a self-closing xml tag\n");
+ return AVERROR(EINVAL);
+ }
+ p += n;
+ if (*p)
+ p++;
+ state = parse_default;
+ } else if ((state != new_set) && av_strstart(p, "trick_id=", &p)) {
+ char trick_id_str[10], *end_str;
+
+ n = strcspn(p, ",");
+ snprintf(trick_id_str, sizeof(trick_id_str), "%.*s", n, p);
+ p += n;
+
+ as->trick_idx = strtol(trick_id_str, &end_str, 10);
+ if (trick_id_str == end_str || as->trick_idx < 0)
+ return AVERROR(EINVAL);
+
+ if (*p)
+ p++;
+ state = parse_default;
+ } else if ((state != new_set) && av_strstart(p, "streams=", &p)) { //descriptor and durations are optional
state = parsing_streams;
} else if (state == parsing_streams) {
AdaptationSet *as = &c->as[c->nb_as - 1];
return AVERROR(EINVAL);
}
}
+
+ // check references for trick mode AdaptationSet
+ for (i = 0; i < c->nb_as; i++) {
+ as = &c->as[i];
+ if (as->trick_idx < 0)
+ continue;
+ for (n = 0; n < c->nb_as; n++) {
+ if (c->as[n].id == as->trick_idx)
+ break;
+ }
+ if (n >= c->nb_as) {
+ av_log(s, AV_LOG_ERROR, "reference AdaptationSet id \"%d\" not found for trick mode AdaptationSet id \"%d\"\n", as->trick_idx, as->id);
+ return AVERROR(EINVAL);
+ }
+ }
+
return 0;
}
snprintf(temp_filename, sizeof(temp_filename), use_rename ? "%s.tmp" : "%s", s->url);
set_http_options(&opts, c);
ret = dashenc_io_open(s, &c->mpd_out, temp_filename, &opts);
+ av_dict_free(&opts);
if (ret < 0) {
- av_log(s, AV_LOG_ERROR, "Unable to open %s for writing\n", temp_filename);
- return ret;
+ return handle_io_open_error(s, ret, temp_filename);
}
out = c->mpd_out;
- av_dict_free(&opts);
avio_printf(out, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
avio_printf(out, "<MPD xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
"\txmlns=\"urn:mpeg:dash:schema:mpd:2011\"\n"
"\txmlns:xlink=\"http://www.w3.org/1999/xlink\"\n"
"\txsi:schemaLocation=\"urn:mpeg:DASH:schema:MPD:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd\"\n"
- "\tprofiles=\"urn:mpeg:dash:profile:isoff-live:2011\"\n"
- "\ttype=\"%s\"\n", final ? "static" : "dynamic");
+ "\tprofiles=\"");
+ if (c->profile & MPD_PROFILE_DASH)
+ avio_printf(out, "%s%s", "urn:mpeg:dash:profile:isoff-live:2011", c->profile & MPD_PROFILE_DVB ? "," : "\"\n");
+ if (c->profile & MPD_PROFILE_DVB)
+ avio_printf(out, "%s", "urn:dvb:dash:profile:dvb-dash:2014\"\n");
+ avio_printf(out, "\ttype=\"%s\"\n",
+ final ? "static" : "dynamic");
if (final) {
avio_printf(out, "\tmediaPresentationDuration=\"");
write_time(out, c->total_duration);
char now_str[100];
if (c->use_template && !c->use_timeline)
update_period = 500;
+ if (c->update_period)
+ update_period = c->update_period;
avio_printf(out, "\tminimumUpdatePeriod=\"PT%"PRId64"S\"\n", update_period);
- avio_printf(out, "\tsuggestedPresentationDelay=\"PT%"PRId64"S\"\n", c->last_duration / AV_TIME_BASE);
+ if (!c->ldash)
+ avio_printf(out, "\tsuggestedPresentationDelay=\"PT%"PRId64"S\"\n", c->last_duration / AV_TIME_BASE);
if (c->availability_start_time[0])
avio_printf(out, "\tavailabilityStartTime=\"%s\"\n", c->availability_start_time);
- format_date_now(now_str, sizeof(now_str));
+ format_date(now_str, sizeof(now_str), av_gettime());
if (now_str[0])
avio_printf(out, "\tpublishTime=\"%s\"\n", now_str);
if (c->window_size && c->use_template) {
avio_printf(out, "\"\n");
}
}
+ avio_printf(out, "\tmaxSegmentDuration=\"");
+ write_time(out, c->max_segment_duration);
+ avio_printf(out, "\"\n");
avio_printf(out, "\tminBufferTime=\"");
- write_time(out, c->last_duration * 2);
+ write_time(out, c->ldash && c->max_gop_size ? c->max_gop_size : c->last_duration * 2);
avio_printf(out, "\">\n");
avio_printf(out, "\t<ProgramInformation>\n");
if (title) {
}
avio_printf(out, "\t</ProgramInformation>\n");
+ avio_printf(out, "\t<ServiceDescription id=\"0\">\n");
+ if (!final && c->target_latency && c->target_latency_refid >= 0) {
+ avio_printf(out, "\t\t<Latency target=\"%"PRId64"\"", c->target_latency / 1000);
+ if (s->nb_streams > 1)
+ avio_printf(out, " referenceId=\"%d\"", c->target_latency_refid);
+ avio_printf(out, "/>\n");
+ }
+ if (av_cmp_q(c->min_playback_rate, (AVRational) {1, 1}) ||
+ av_cmp_q(c->max_playback_rate, (AVRational) {1, 1}))
+ avio_printf(out, "\t\t<PlaybackRate min=\"%.2f\" max=\"%.2f\"/>\n",
+ av_q2d(c->min_playback_rate), av_q2d(c->max_playback_rate));
+ avio_printf(out, "\t</ServiceDescription>\n");
+
if (c->window_size && s->nb_streams > 0 && c->streams[0].nb_segments > 0 && !c->use_template) {
OutputStream *os = &c->streams[0];
int start_index = FFMAX(os->nb_segments - c->window_size, 0);
dashenc_io_close(s, &c->mpd_out, temp_filename);
if (use_rename) {
- if ((ret = avpriv_io_move(temp_filename, s->url)) < 0)
+ if ((ret = ff_rename(temp_filename, s->url, s)) < 0)
return ret;
}
- if (c->hls_playlist && !c->master_playlist_created) {
+ if (c->hls_playlist) {
char filename_hls[1024];
const char *audio_group = "A1";
char audio_codec_str[128] = "\0";
int is_default = 1;
int max_audio_bitrate = 0;
+ // Publish master playlist only the configured rate
+ if (c->master_playlist_created && (!c->master_publish_rate ||
+ c->streams[0].segment_index % c->master_publish_rate))
+ return 0;
+
if (*c->dirname)
- snprintf(filename_hls, sizeof(filename_hls), "%smaster.m3u8", c->dirname);
+ snprintf(filename_hls, sizeof(filename_hls), "%s%s", c->dirname, c->hls_master_name);
else
- snprintf(filename_hls, sizeof(filename_hls), "master.m3u8");
+ snprintf(filename_hls, sizeof(filename_hls), "%s", c->hls_master_name);
snprintf(temp_filename, sizeof(temp_filename), use_rename ? "%s.tmp" : "%s", filename_hls);
set_http_options(&opts, c);
- ret = avio_open2(&out, temp_filename, AVIO_FLAG_WRITE, NULL, &opts);
+ ret = dashenc_io_open(s, &c->m3u8_out, temp_filename, &opts);
+ av_dict_free(&opts);
if (ret < 0) {
- av_log(s, AV_LOG_ERROR, "Unable to open %s for writing\n", temp_filename);
- return ret;
+ return handle_io_open_error(s, ret, temp_filename);
}
- av_dict_free(&opts);
- ff_hls_write_playlist_version(out, 7);
+ ff_hls_write_playlist_version(c->m3u8_out, 7);
for (i = 0; i < s->nb_streams; i++) {
char playlist_file[64];
OutputStream *os = &c->streams[i];
if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO)
continue;
+ if (os->segment_type != SEGMENT_TYPE_MP4)
+ continue;
get_hls_playlist_name(playlist_file, sizeof(playlist_file), NULL, i);
- ff_hls_write_audio_rendition(out, (char *)audio_group,
- playlist_file, i, is_default);
+ ff_hls_write_audio_rendition(c->m3u8_out, (char *)audio_group,
+ playlist_file, NULL, i, is_default);
max_audio_bitrate = FFMAX(st->codecpar->bit_rate +
os->muxer_overhead, max_audio_bitrate);
if (!av_strnstr(audio_codec_str, os->codec_str, sizeof(audio_codec_str))) {
AVStream *st = s->streams[i];
OutputStream *os = &c->streams[i];
char *agroup = NULL;
- int stream_bitrate = st->codecpar->bit_rate + os->muxer_overhead;
+ char *codec_str_ptr = NULL;
+ int stream_bitrate = os->muxer_overhead;
+ if (os->bit_rate > 0)
+ stream_bitrate += os->bit_rate;
+ else if (final)
+ stream_bitrate += os->pos * 8 * AV_TIME_BASE / c->total_duration;
+ else if (os->first_segment_bit_rate > 0)
+ stream_bitrate += os->first_segment_bit_rate;
+ if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
+ continue;
+ if (os->segment_type != SEGMENT_TYPE_MP4)
+ continue;
av_strlcpy(codec_str, os->codec_str, sizeof(codec_str));
- if ((st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && max_audio_bitrate) {
+ if (max_audio_bitrate) {
agroup = (char *)audio_group;
stream_bitrate += max_audio_bitrate;
av_strlcat(codec_str, ",", sizeof(codec_str));
av_strlcat(codec_str, audio_codec_str, sizeof(codec_str));
}
+ if (st->codecpar->codec_id != AV_CODEC_ID_HEVC) {
+ codec_str_ptr = codec_str;
+ }
get_hls_playlist_name(playlist_file, sizeof(playlist_file), NULL, i);
- ff_hls_write_stream_info(st, out, stream_bitrate, playlist_file, agroup,
- codec_str, NULL);
+ ff_hls_write_stream_info(st, c->m3u8_out, stream_bitrate,
+ playlist_file, agroup,
+ codec_str_ptr, NULL, NULL);
}
- avio_close(out);
+ dashenc_io_close(s, &c->m3u8_out, temp_filename);
if (use_rename)
- if ((ret = avpriv_io_move(temp_filename, filename_hls)) < 0)
+ if ((ret = ff_rename(temp_filename, filename_hls, s)) < 0)
return ret;
c->master_playlist_created = 1;
}
char *ptr;
char basename[1024];
+ c->nr_of_streams_to_flush = 0;
if (c->single_file_name)
c->single_file = 1;
if (c->single_file)
c->use_template = 0;
-#if FF_API_DASH_MIN_SEG_DURATION
- if (c->min_seg_duration != 5000000) {
- av_log(s, AV_LOG_WARNING, "The min_seg_duration option is deprecated and will be removed. Please use the -seg_duration\n");
- c->seg_duration = c->min_seg_duration;
+ if (!c->profile) {
+ av_log(s, AV_LOG_ERROR, "At least one profile must be enabled.\n");
+ return AVERROR(EINVAL);
+ }
+ if (c->lhls && s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
+ av_log(s, AV_LOG_ERROR,
+ "LHLS is experimental, Please set -strict experimental in order to enable it.\n");
+ return AVERROR_EXPERIMENTAL;
+ }
+
+ if (c->lhls && !c->streaming) {
+ av_log(s, AV_LOG_WARNING, "LHLS option will be ignored as streaming is not enabled\n");
+ c->lhls = 0;
+ }
+
+ if (c->lhls && !c->hls_playlist) {
+ av_log(s, AV_LOG_WARNING, "LHLS option will be ignored as hls_playlist is not enabled\n");
+ c->lhls = 0;
+ }
+
+ if (c->ldash && !c->streaming) {
+ av_log(s, AV_LOG_WARNING, "LDash option will be ignored as streaming is not enabled\n");
+ c->ldash = 0;
+ }
+
+ if (c->target_latency && !c->streaming) {
+ av_log(s, AV_LOG_WARNING, "Target latency option will be ignored as streaming is not enabled\n");
+ c->target_latency = 0;
+ }
+
+ if (c->global_sidx && !c->single_file) {
+ av_log(s, AV_LOG_WARNING, "Global SIDX option will be ignored as single_file is not enabled\n");
+ c->global_sidx = 0;
+ }
+
+ if (c->global_sidx && c->streaming) {
+ av_log(s, AV_LOG_WARNING, "Global SIDX option will be ignored as streaming is enabled\n");
+ c->global_sidx = 0;
+ }
+ if (c->frag_type == FRAG_TYPE_NONE && c->streaming) {
+ av_log(s, AV_LOG_VERBOSE, "Changing frag_type from none to every_frame as streaming is enabled\n");
+ c->frag_type = FRAG_TYPE_EVERY_FRAME;
+ }
+
+ if (c->write_prft < 0) {
+ c->write_prft = c->ldash;
+ if (c->ldash)
+ av_log(s, AV_LOG_VERBOSE, "Enabling Producer Reference Time element for Low Latency mode\n");
+ }
+
+ if (c->write_prft && !c->utc_timing_url) {
+ av_log(s, AV_LOG_WARNING, "Producer Reference Time element option will be ignored as utc_timing_url is not set\n");
+ c->write_prft = 0;
+ }
+
+ if (c->write_prft && !c->streaming) {
+ av_log(s, AV_LOG_WARNING, "Producer Reference Time element option will be ignored as streaming is not enabled\n");
+ c->write_prft = 0;
+ }
+
+ if (c->ldash && !c->write_prft) {
+ av_log(s, AV_LOG_WARNING, "Low Latency mode enabled without Producer Reference Time element option! Resulting manifest may not be complaint\n");
+ }
+
+ if (c->target_latency && !c->write_prft) {
+ av_log(s, AV_LOG_WARNING, "Target latency option will be ignored as Producer Reference Time element will not be written\n");
+ c->target_latency = 0;
+ }
+
+ if (av_cmp_q(c->max_playback_rate, c->min_playback_rate) < 0) {
+ av_log(s, AV_LOG_WARNING, "Minimum playback rate value is higer than the Maximum. Both will be ignored\n");
+ c->min_playback_rate = c->max_playback_rate = (AVRational) {1, 1};
}
-#endif
av_strlcpy(c->dirname, s->url, sizeof(c->dirname));
ptr = strrchr(c->dirname, '/');
if ((ret = parse_adaptation_sets(s)) < 0)
return ret;
+ if ((ret = init_segment_types(s)) < 0)
+ return ret;
+
for (i = 0; i < s->nb_streams; i++) {
OutputStream *os = &c->streams[i];
AdaptationSet *as = &c->as[os->as_idx - 1];
dict_copy_entry(&as->metadata, s->streams[i]->metadata, "language");
dict_copy_entry(&as->metadata, s->streams[i]->metadata, "role");
- ctx = avformat_alloc_context();
- if (!ctx)
- return AVERROR(ENOMEM);
+ if (c->init_seg_name) {
+ os->init_seg_name = av_strireplace(c->init_seg_name, "$ext$", os->extension_name);
+ if (!os->init_seg_name)
+ return AVERROR(ENOMEM);
+ }
+ if (c->media_seg_name) {
+ os->media_seg_name = av_strireplace(c->media_seg_name, "$ext$", os->extension_name);
+ if (!os->media_seg_name)
+ return AVERROR(ENOMEM);
+ }
+ if (c->single_file_name) {
+ os->single_file_name = av_strireplace(c->single_file_name, "$ext$", os->extension_name);
+ if (!os->single_file_name)
+ return AVERROR(ENOMEM);
+ }
- c->format_name = get_format_str(c->segment_type);
- if (!c->format_name)
- return AVERROR_MUXER_NOT_FOUND;
- if (c->segment_type == SEGMENT_TYPE_WEBM) {
- if ((!c->single_file && check_file_extension(c->init_seg_name, c->format_name) != 0) ||
- (!c->single_file && check_file_extension(c->media_seg_name, c->format_name) != 0) ||
- (c->single_file && check_file_extension(c->single_file_name, c->format_name) != 0)) {
+ if (os->segment_type == SEGMENT_TYPE_WEBM) {
+ if ((!c->single_file && check_file_extension(os->init_seg_name, os->format_name) != 0) ||
+ (!c->single_file && check_file_extension(os->media_seg_name, os->format_name) != 0) ||
+ (c->single_file && check_file_extension(os->single_file_name, os->format_name) != 0)) {
av_log(s, AV_LOG_WARNING,
"One or many segment file names doesn't end with .webm. "
"Override -init_seg_name and/or -media_seg_name and/or "
"-single_file_name to end with the extension .webm\n");
}
+ if (c->streaming) {
+ // Streaming not supported as matroskaenc buffers internally before writing the output
+ av_log(s, AV_LOG_WARNING, "One or more streams in WebM output format. Streaming option will be ignored\n");
+ c->streaming = 0;
+ }
}
- ctx->oformat = av_guess_format(c->format_name, NULL, NULL);
+ os->ctx = ctx = avformat_alloc_context();
+ if (!ctx)
+ return AVERROR(ENOMEM);
+
+ ctx->oformat = av_guess_format(os->format_name, NULL, NULL);
if (!ctx->oformat)
return AVERROR_MUXER_NOT_FOUND;
- os->ctx = ctx;
ctx->interrupt_callback = s->interrupt_callback;
ctx->opaque = s->opaque;
ctx->io_close = s->io_close;
ctx->avoid_negative_ts = s->avoid_negative_ts;
ctx->flags = s->flags;
- if ((ret = avio_open_dyn_buf(&ctx->pb)) < 0)
- return ret;
+ os->parser = av_parser_init(st->codecpar->codec_id);
+ if (os->parser) {
+ os->parser_avctx = avcodec_alloc_context3(NULL);
+ if (!os->parser_avctx)
+ return AVERROR(ENOMEM);
+ ret = avcodec_parameters_to_context(os->parser_avctx, st->codecpar);
+ if (ret < 0)
+ return ret;
+ // We only want to parse frame headers
+ os->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES;
+ }
if (c->single_file) {
- if (c->single_file_name)
- ff_dash_fill_tmpl_params(os->initfile, sizeof(os->initfile), c->single_file_name, i, 0, os->bit_rate, 0);
+ if (os->single_file_name)
+ ff_dash_fill_tmpl_params(os->initfile, sizeof(os->initfile), os->single_file_name, i, 0, os->bit_rate, 0);
else
- snprintf(os->initfile, sizeof(os->initfile), "%s-stream%d.m4s", basename, i);
+ snprintf(os->initfile, sizeof(os->initfile), "%s-stream%d.%s", basename, i, os->format_name);
} else {
- ff_dash_fill_tmpl_params(os->initfile, sizeof(os->initfile), c->init_seg_name, i, 0, os->bit_rate, 0);
+ ff_dash_fill_tmpl_params(os->initfile, sizeof(os->initfile), os->init_seg_name, i, 0, os->bit_rate, 0);
}
snprintf(filename, sizeof(filename), "%s%s", c->dirname, os->initfile);
set_http_options(&opts, c);
- ret = s->io_open(s, &os->out, filename, AVIO_FLAG_WRITE, &opts);
+ if (!c->single_file) {
+ if ((ret = avio_open_dyn_buf(&ctx->pb)) < 0)
+ return ret;
+ ret = s->io_open(s, &os->out, filename, AVIO_FLAG_WRITE, &opts);
+ } else {
+ ctx->url = av_strdup(filename);
+ ret = avio_open2(&ctx->pb, filename, AVIO_FLAG_WRITE, NULL, &opts);
+ }
+ av_dict_free(&opts);
if (ret < 0)
return ret;
- av_dict_free(&opts);
os->init_start_pos = 0;
- if (c->format_options_str) {
- ret = av_dict_parse_string(&opts, c->format_options_str, "=", ":", 0);
- if (ret < 0)
- return ret;
+ av_dict_copy(&opts, c->format_options, 0);
+ if (!as->seg_duration)
+ as->seg_duration = c->seg_duration;
+ if (!as->frag_duration)
+ as->frag_duration = c->frag_duration;
+ if (as->frag_type < 0)
+ as->frag_type = c->frag_type;
+ os->seg_duration = as->seg_duration;
+ os->frag_duration = as->frag_duration;
+ os->frag_type = as->frag_type;
+
+ c->max_segment_duration = FFMAX(c->max_segment_duration, as->seg_duration);
+
+ if (c->profile & MPD_PROFILE_DVB && (os->seg_duration > 15000000 || os->seg_duration < 960000)) {
+ av_log(s, AV_LOG_ERROR, "Segment duration %"PRId64" is outside the allowed range for DVB-DASH profile\n", os->seg_duration);
+ return AVERROR(EINVAL);
+ }
+
+ if (os->frag_type == FRAG_TYPE_DURATION && !os->frag_duration) {
+ av_log(s, AV_LOG_WARNING, "frag_type set to duration for stream %d but no frag_duration set\n", i);
+ os->frag_type = c->streaming ? FRAG_TYPE_EVERY_FRAME : FRAG_TYPE_NONE;
+ }
+ if (os->frag_type == FRAG_TYPE_DURATION && os->frag_duration > os->seg_duration) {
+ av_log(s, AV_LOG_ERROR, "Fragment duration %"PRId64" is longer than Segment duration %"PRId64"\n", os->frag_duration, os->seg_duration);
+ return AVERROR(EINVAL);
+ }
+ if (os->frag_type == FRAG_TYPE_PFRAMES && (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO || !os->parser)) {
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !os->parser)
+ av_log(s, AV_LOG_WARNING, "frag_type set to P-Frame reordering, but no parser found for stream %d\n", i);
+ os->frag_type = c->streaming ? FRAG_TYPE_EVERY_FRAME : FRAG_TYPE_NONE;
}
+ if (os->frag_type != FRAG_TYPE_PFRAMES && as->trick_idx < 0)
+ // Set this now if a parser isn't used
+ os->coding_dependency = 1;
- if (c->segment_type == SEGMENT_TYPE_MP4) {
+ if (os->segment_type == SEGMENT_TYPE_MP4) {
if (c->streaming)
- av_dict_set(&opts, "movflags", "frag_every_frame+dash+delay_moov", 0);
+ // skip_sidx : Reduce bitrate overhead
+ // skip_trailer : Avoids growing memory usage with time
+ av_dict_set(&opts, "movflags", "+dash+delay_moov+skip_sidx+skip_trailer", AV_DICT_APPEND);
+ else {
+ if (c->global_sidx)
+ av_dict_set(&opts, "movflags", "+dash+delay_moov+global_sidx+skip_trailer", AV_DICT_APPEND);
+ else
+ av_dict_set(&opts, "movflags", "+dash+delay_moov+skip_trailer", AV_DICT_APPEND);
+ }
+ if (os->frag_type == FRAG_TYPE_EVERY_FRAME)
+ av_dict_set(&opts, "movflags", "+frag_every_frame", AV_DICT_APPEND);
else
- av_dict_set(&opts, "movflags", "frag_custom+dash+delay_moov", 0);
+ av_dict_set(&opts, "movflags", "+frag_custom", AV_DICT_APPEND);
+ if (os->frag_type == FRAG_TYPE_DURATION)
+ av_dict_set_int(&opts, "frag_duration", os->frag_duration, 0);
+ if (c->write_prft)
+ av_dict_set(&opts, "write_prft", "wallclock", 0);
} else {
av_dict_set_int(&opts, "cluster_time_limit", c->seg_duration / 1000, 0);
av_dict_set_int(&opts, "cluster_size_limit", 5 * 1024 * 1024, 0); // set a large cluster size limit
av_dict_set_int(&opts, "dash_track_number", i + 1, 0);
av_dict_set_int(&opts, "live", 1, 0);
}
- if ((ret = avformat_init_output(ctx, &opts)) < 0)
+ ret = avformat_init_output(ctx, &opts);
+ av_dict_free(&opts);
+ if (ret < 0)
return ret;
os->ctx_inited = 1;
avio_flush(ctx->pb);
- av_dict_free(&opts);
av_log(s, AV_LOG_VERBOSE, "Representation %d init segment will be written to: %s\n", i, filename);
s->avoid_negative_ts = ctx->avoid_negative_ts;
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
AVRational avg_frame_rate = s->streams[i]->avg_frame_rate;
+ AVRational par;
if (avg_frame_rate.num > 0) {
if (av_cmp_q(avg_frame_rate, as->min_frame_rate) < 0)
as->min_frame_rate = avg_frame_rate;
} else {
as->ambiguous_frame_rate = 1;
}
+
+ if (st->codecpar->width > as->max_width)
+ as->max_width = st->codecpar->width;
+ if (st->codecpar->height > as->max_height)
+ as->max_height = st->codecpar->height;
+
+ if (st->sample_aspect_ratio.num)
+ os->sar = st->sample_aspect_ratio;
+ else
+ os->sar = (AVRational){1,1};
+ av_reduce(&par.num, &par.den,
+ st->codecpar->width * (int64_t)os->sar.num,
+ st->codecpar->height * (int64_t)os->sar.den,
+ 1024 * 1024);
+
+ if (as->par.num && av_cmp_q(par, as->par)) {
+ av_log(s, AV_LOG_ERROR, "Conflicting stream aspect ratios values in Adaptation Set %d. Please ensure all adaptation sets have the same aspect ratio\n", os->as_idx);
+ return AVERROR(EINVAL);
+ }
+ as->par = par;
+
c->has_video = 1;
}
os->max_pts = AV_NOPTS_VALUE;
os->last_dts = AV_NOPTS_VALUE;
os->segment_index = 1;
+
+ if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
+ c->nr_of_streams_to_flush++;
}
if (!c->has_video && c->seg_duration <= 0) {
av_log(s, AV_LOG_WARNING, "no video stream and no seg duration set\n");
return AVERROR(EINVAL);
}
+ if (!c->has_video && c->frag_type == FRAG_TYPE_PFRAMES)
+ av_log(s, AV_LOG_WARNING, "no video stream and P-frame fragmentation set\n");
+
+ c->nr_of_streams_flushed = 0;
+ c->target_latency_refid = -1;
+
return 0;
}
// Flush init segment
// Only for WebM segment, since for mp4 delay_moov is set and
// the init segment is thus flushed after the first packets.
- if (c->segment_type == SEGMENT_TYPE_WEBM &&
+ if (os->segment_type == SEGMENT_TYPE_WEBM &&
(ret = flush_init_segment(s, os)) < 0)
return ret;
}
}
static int add_segment(OutputStream *os, const char *file,
- int64_t time, int duration,
+ int64_t time, int64_t duration,
int64_t start_pos, int64_t range_length,
int64_t index_length, int next_exp_index)
{
Segment *seg;
if (os->nb_segments >= os->segments_size) {
os->segments_size = (os->segments_size + 1) * 2;
- if ((err = av_reallocp(&os->segments, sizeof(*os->segments) *
+ if ((err = av_reallocp_array(&os->segments, sizeof(*os->segments),
os->segments_size)) < 0) {
os->segments_size = 0;
os->nb_segments = 0;
}
static int update_stream_extradata(AVFormatContext *s, OutputStream *os,
- AVCodecParameters *par,
- AVRational *frame_rate)
+ AVPacket *pkt, AVRational *frame_rate)
{
+ AVCodecParameters *par = os->ctx->streams[0]->codecpar;
uint8_t *extradata;
+ size_t extradata_size;
+ int ret;
- if (os->ctx->streams[0]->codecpar->extradata_size || !par->extradata_size)
+ if (par->extradata_size)
return 0;
- extradata = av_malloc(par->extradata_size);
-
- if (!extradata)
- return AVERROR(ENOMEM);
+ extradata = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &extradata_size);
+ if (!extradata_size)
+ return 0;
- memcpy(extradata, par->extradata, par->extradata_size);
+ ret = ff_alloc_extradata(par, extradata_size);
+ if (ret < 0)
+ return ret;
- os->ctx->streams[0]->codecpar->extradata = extradata;
- os->ctx->streams[0]->codecpar->extradata_size = par->extradata_size;
+ memcpy(par->extradata, extradata, extradata_size);
set_codec_str(s, par, frame_rate, os->codec_str, sizeof(os->codec_str));
}
av_dict_free(&http_opts);
- dashenc_io_close(s, &out, filename);
- } else if (unlink(filename) < 0) {
- av_log(s, AV_LOG_ERROR, "failed to delete %s: %s\n", filename, strerror(errno));
+ ff_format_io_close(s, &out);
+ } else {
+ int res = avpriv_io_delete(filename);
+ if (res < 0) {
+ char errbuf[AV_ERROR_MAX_STRING_SIZE];
+ av_strerror(res, errbuf, sizeof(errbuf));
+ av_log(s, (res == AVERROR(ENOENT) ? AV_LOG_WARNING : AV_LOG_ERROR), "failed to delete %s: %s\n", filename, errbuf);
+ }
+ }
+}
+
+static int dashenc_delete_segment_file(AVFormatContext *s, const char* file)
+{
+ DASHContext *c = s->priv_data;
+ AVBPrint buf;
+
+ av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
+
+ av_bprintf(&buf, "%s%s", c->dirname, file);
+ if (!av_bprint_is_complete(&buf)) {
+ av_bprint_finalize(&buf, NULL);
+ av_log(s, AV_LOG_WARNING, "Out of memory for filename\n");
+ return AVERROR(ENOMEM);
+ }
+
+ dashenc_delete_file(s, buf.str);
+
+ av_bprint_finalize(&buf, NULL);
+ return 0;
+}
+
+static inline void dashenc_delete_media_segments(AVFormatContext *s, OutputStream *os, int remove_count)
+{
+ for (int i = 0; i < remove_count; ++i) {
+ dashenc_delete_segment_file(s, os->segments[i]->file);
+
+ // Delete the segment regardless of whether the file was successfully deleted
+ av_free(os->segments[i]);
}
+
+ os->nb_segments -= remove_count;
+ memmove(os->segments, os->segments + remove_count, os->nb_segments * sizeof(*os->segments));
}
static int dash_flush(AVFormatContext *s, int final, int stream)
c->streams[stream].first_pts,
s->streams[stream]->time_base,
AV_TIME_BASE_Q);
- next_exp_index = (pts_diff / c->seg_duration) + 1;
+ next_exp_index = (pts_diff / c->streams[stream].seg_duration) + 1;
}
}
OutputStream *os = &c->streams[i];
AVStream *st = s->streams[i];
int range_length, index_length = 0;
+ int64_t duration;
if (!os->packets_written)
continue;
// Flush all audio streams as well, in sync with video keyframes,
// but not the other video streams.
if (stream >= 0 && i != stream) {
+ if (s->streams[stream]->codecpar->codec_type != AVMEDIA_TYPE_VIDEO &&
+ s->streams[i]->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
+ continue;
if (s->streams[i]->codecpar->codec_type != AVMEDIA_TYPE_AUDIO)
continue;
// Make sure we don't flush audio streams multiple times, when
continue;
}
- if (!c->single_file) {
- if (c->segment_type == SEGMENT_TYPE_MP4 && !os->written_len)
- write_styp(os->ctx->pb);
- } else {
+ if (c->single_file)
snprintf(os->full_path, sizeof(os->full_path), "%s%s", c->dirname, os->initfile);
- }
- ret = flush_dynbuf(os, &range_length);
+ ret = flush_dynbuf(c, os, &range_length);
if (ret < 0)
break;
os->packets_written = 0;
dashenc_io_close(s, &os->out, os->temp_path);
if (use_rename) {
- ret = avpriv_io_move(os->temp_path, os->full_path);
+ ret = ff_rename(os->temp_path, os->full_path, os->ctx);
if (ret < 0)
break;
}
}
- if (!os->muxer_overhead)
+ duration = av_rescale_q(os->max_pts - os->start_pts, st->time_base, AV_TIME_BASE_Q);
+ os->last_duration = FFMAX(os->last_duration, duration);
+
+ if (!os->muxer_overhead && os->max_pts > os->start_pts)
os->muxer_overhead = ((int64_t) (range_length - os->total_pkt_size) *
- 8 * AV_TIME_BASE) /
- av_rescale_q(os->max_pts - os->start_pts,
- st->time_base, AV_TIME_BASE_Q);
+ 8 * AV_TIME_BASE) / duration;
os->total_pkt_size = 0;
+ os->total_pkt_duration = 0;
- if (!os->bit_rate) {
- // calculate average bitrate of first segment
- int64_t bitrate = (int64_t) range_length * 8 * AV_TIME_BASE / av_rescale_q(os->max_pts - os->start_pts,
- st->time_base,
- AV_TIME_BASE_Q);
- if (bitrate >= 0)
- os->bit_rate = bitrate;
+ if (!os->bit_rate && !os->first_segment_bit_rate) {
+ os->first_segment_bit_rate = (int64_t) range_length * 8 * AV_TIME_BASE / duration;
}
add_segment(os, os->filename, os->start_pts, os->max_pts - os->start_pts, os->pos, range_length, index_length, next_exp_index);
av_log(s, AV_LOG_VERBOSE, "Representation %d media segment %d written to: %s\n", i, os->segment_index, os->full_path);
os->pos += range_length;
}
- if (c->window_size || (final && c->remove_at_exit)) {
+ if (c->window_size) {
+ for (i = 0; i < s->nb_streams; i++) {
+ OutputStream *os = &c->streams[i];
+ int remove_count = os->nb_segments - c->window_size - c->extra_window_size;
+ if (remove_count > 0)
+ dashenc_delete_media_segments(s, os, remove_count);
+ }
+ }
+
+ if (final) {
for (i = 0; i < s->nb_streams; i++) {
OutputStream *os = &c->streams[i];
- int j;
- int remove = os->nb_segments - c->window_size - c->extra_window_size;
- if (final && c->remove_at_exit)
- remove = os->nb_segments;
- if (remove > 0) {
- for (j = 0; j < remove; j++) {
- char filename[1024];
- snprintf(filename, sizeof(filename), "%s%s", c->dirname, os->segments[j]->file);
- dashenc_delete_file(s, filename);
- av_free(os->segments[j]);
+ if (os->ctx && os->ctx_inited) {
+ int64_t file_size = avio_tell(os->ctx->pb);
+ av_write_trailer(os->ctx);
+ if (c->global_sidx) {
+ int j, start_index, start_number;
+ int64_t sidx_size = avio_tell(os->ctx->pb) - file_size;
+ get_start_index_number(os, c, &start_index, &start_number);
+ if (start_index >= os->nb_segments ||
+ os->segment_type != SEGMENT_TYPE_MP4)
+ continue;
+ os->init_range_length += sidx_size;
+ for (j = start_index; j < os->nb_segments; j++) {
+ Segment *seg = os->segments[j];
+ seg->start_pos += sidx_size;
+ }
}
- os->nb_segments -= remove;
- memmove(os->segments, os->segments + remove, os->nb_segments * sizeof(*os->segments));
+
}
}
}
+ if (ret >= 0) {
+ if (c->has_video && !final) {
+ c->nr_of_streams_flushed++;
+ if (c->nr_of_streams_flushed != c->nr_of_streams_to_flush)
+ return ret;
- if (ret >= 0)
+ c->nr_of_streams_flushed = 0;
+ }
ret = write_manifest(s, final);
+ }
return ret;
}
+static int dash_parse_prft(DASHContext *c, AVPacket *pkt)
+{
+ OutputStream *os = &c->streams[pkt->stream_index];
+ AVProducerReferenceTime *prft;
+ size_t side_data_size;
+
+ prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &side_data_size);
+ if (!prft || side_data_size != sizeof(AVProducerReferenceTime) || (prft->flags && prft->flags != 24)) {
+ // No encoder generated or user provided capture time AVProducerReferenceTime side data. Instead
+ // of letting the mov muxer generate one, do it here so we can also use it for the manifest.
+ prft = (AVProducerReferenceTime *)av_packet_new_side_data(pkt, AV_PKT_DATA_PRFT,
+ sizeof(AVProducerReferenceTime));
+ if (!prft)
+ return AVERROR(ENOMEM);
+ prft->wallclock = av_gettime();
+ prft->flags = 24;
+ }
+ if (os->first_pts == AV_NOPTS_VALUE) {
+ os->producer_reference_time = *prft;
+ if (c->target_latency_refid < 0)
+ c->target_latency_refid = pkt->stream_index;
+ }
+
+ return 0;
+}
+
static int dash_write_packet(AVFormatContext *s, AVPacket *pkt)
{
DASHContext *c = s->priv_data;
AVStream *st = s->streams[pkt->stream_index];
OutputStream *os = &c->streams[pkt->stream_index];
+ AdaptationSet *as = &c->as[os->as_idx - 1];
int64_t seg_end_duration, elapsed_duration;
int ret;
- ret = update_stream_extradata(s, os, st->codecpar, &st->avg_frame_rate);
+ ret = update_stream_extradata(s, os, pkt, &st->avg_frame_rate);
if (ret < 0)
return ret;
pkt->dts = 0;
}
- if (os->first_pts == AV_NOPTS_VALUE)
+ if (c->write_prft) {
+ ret = dash_parse_prft(c, pkt);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (os->first_pts == AV_NOPTS_VALUE) {
os->first_pts = pkt->pts;
+ }
os->last_pts = pkt->pts;
- if (!c->availability_start_time[0])
- format_date_now(c->availability_start_time,
- sizeof(c->availability_start_time));
+ if (!c->availability_start_time[0]) {
+ int64_t start_time_us = av_gettime();
+ c->start_time_s = start_time_us / 1000000;
+ format_date(c->availability_start_time,
+ sizeof(c->availability_start_time), start_time_us);
+ }
- if (!os->availability_time_offset && pkt->duration) {
- int64_t frame_duration = av_rescale_q(pkt->duration, st->time_base,
- AV_TIME_BASE_Q);
- os->availability_time_offset = ((double) c->seg_duration -
+ if (!os->packets_written)
+ os->availability_time_offset = 0;
+
+ if (!os->availability_time_offset &&
+ ((os->frag_type == FRAG_TYPE_DURATION && os->seg_duration != os->frag_duration) ||
+ (os->frag_type == FRAG_TYPE_EVERY_FRAME && pkt->duration))) {
+ AdaptationSet *as = &c->as[os->as_idx - 1];
+ int64_t frame_duration = 0;
+
+ switch (os->frag_type) {
+ case FRAG_TYPE_DURATION:
+ frame_duration = os->frag_duration;
+ break;
+ case FRAG_TYPE_EVERY_FRAME:
+ frame_duration = av_rescale_q(pkt->duration, st->time_base, AV_TIME_BASE_Q);
+ break;
+ }
+
+ os->availability_time_offset = ((double) os->seg_duration -
frame_duration) / AV_TIME_BASE;
+ as->max_frag_duration = FFMAX(frame_duration, as->max_frag_duration);
}
if (c->use_template && !c->use_timeline) {
elapsed_duration = pkt->pts - os->first_pts;
- seg_end_duration = (int64_t) os->segment_index * c->seg_duration;
+ seg_end_duration = (int64_t) os->segment_index * os->seg_duration;
} else {
elapsed_duration = pkt->pts - os->start_pts;
- seg_end_duration = c->seg_duration;
+ seg_end_duration = os->seg_duration;
+ }
+
+ if (os->parser &&
+ (os->frag_type == FRAG_TYPE_PFRAMES ||
+ as->trick_idx >= 0)) {
+ // Parse the packets only in scenarios where it's needed
+ uint8_t *data;
+ int size;
+ av_parser_parse2(os->parser, os->parser_avctx,
+ &data, &size, pkt->data, pkt->size,
+ pkt->pts, pkt->dts, pkt->pos);
+
+ os->coding_dependency |= os->parser->pict_type != AV_PICTURE_TYPE_I;
}
- if ((!c->has_video || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) &&
- pkt->flags & AV_PKT_FLAG_KEY && os->packets_written &&
+ if (pkt->flags & AV_PKT_FLAG_KEY && os->packets_written &&
av_compare_ts(elapsed_duration, st->time_base,
seg_end_duration, AV_TIME_BASE_Q) >= 0) {
- int64_t prev_duration = c->last_duration;
-
- c->last_duration = av_rescale_q(pkt->pts - os->start_pts,
- st->time_base,
- AV_TIME_BASE_Q);
- c->total_duration = av_rescale_q(pkt->pts - os->first_pts,
- st->time_base,
- AV_TIME_BASE_Q);
-
- if ((!c->use_timeline || !c->use_template) && prev_duration) {
- if (c->last_duration < prev_duration*9/10 ||
- c->last_duration > prev_duration*11/10) {
- av_log(s, AV_LOG_WARNING,
- "Segment durations differ too much, enable use_timeline "
- "and use_template, or keep a stricter keyframe interval\n");
+ if (!c->has_video || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+ c->last_duration = av_rescale_q(pkt->pts - os->start_pts,
+ st->time_base,
+ AV_TIME_BASE_Q);
+ c->total_duration = av_rescale_q(pkt->pts - os->first_pts,
+ st->time_base,
+ AV_TIME_BASE_Q);
+
+ if ((!c->use_timeline || !c->use_template) && os->last_duration) {
+ if (c->last_duration < os->last_duration*9/10 ||
+ c->last_duration > os->last_duration*11/10) {
+ av_log(s, AV_LOG_WARNING,
+ "Segment durations differ too much, enable use_timeline "
+ "and use_template, or keep a stricter keyframe interval\n");
+ }
}
}
+ if (c->write_prft && os->producer_reference_time.wallclock && !os->producer_reference_time_str[0])
+ format_date(os->producer_reference_time_str,
+ sizeof(os->producer_reference_time_str),
+ os->producer_reference_time.wallclock);
+
if ((ret = dash_flush(s, 0, pkt->stream_index)) < 0)
return ret;
}
os->max_pts = pkt->pts + pkt->duration;
else
os->max_pts = FFMAX(os->max_pts, pkt->pts + pkt->duration);
- os->packets_written++;
- os->total_pkt_size += pkt->size;
+
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
+ os->frag_type == FRAG_TYPE_PFRAMES &&
+ os->packets_written) {
+ av_assert0(os->parser);
+ if ((os->parser->pict_type == AV_PICTURE_TYPE_P &&
+ st->codecpar->video_delay &&
+ !(os->last_flags & AV_PKT_FLAG_KEY)) ||
+ pkt->flags & AV_PKT_FLAG_KEY) {
+ ret = av_write_frame(os->ctx, NULL);
+ if (ret < 0)
+ return ret;
+
+ if (!os->availability_time_offset) {
+ int64_t frag_duration = av_rescale_q(os->total_pkt_duration, st->time_base,
+ AV_TIME_BASE_Q);
+ os->availability_time_offset = ((double) os->seg_duration -
+ frag_duration) / AV_TIME_BASE;
+ as->max_frag_duration = FFMAX(frag_duration, as->max_frag_duration);
+ }
+ }
+ }
+
+ if (pkt->flags & AV_PKT_FLAG_KEY && (os->packets_written || os->nb_segments) && !os->gop_size && as->trick_idx < 0) {
+ os->gop_size = os->last_duration + av_rescale_q(os->total_pkt_duration, st->time_base, AV_TIME_BASE_Q);
+ c->max_gop_size = FFMAX(c->max_gop_size, os->gop_size);
+ }
+
if ((ret = ff_write_chained(os->ctx, 0, pkt, s, 0)) < 0)
return ret;
+ os->packets_written++;
+ os->total_pkt_size += pkt->size;
+ os->total_pkt_duration += pkt->duration;
+ os->last_flags = pkt->flags;
+
if (!os->init_range_length)
flush_init_segment(s, os);
AVDictionary *opts = NULL;
const char *proto = avio_find_protocol_name(s->url);
int use_rename = proto && !strcmp(proto, "file");
+ if (os->segment_type == SEGMENT_TYPE_MP4)
+ write_styp(os->ctx->pb);
os->filename[0] = os->full_path[0] = os->temp_path[0] = '\0';
ff_dash_fill_tmpl_params(os->filename, sizeof(os->filename),
- c->media_seg_name, pkt->stream_index,
+ os->media_seg_name, pkt->stream_index,
os->segment_index, os->bit_rate, os->start_pts);
snprintf(os->full_path, sizeof(os->full_path), "%s%s", c->dirname,
os->filename);
use_rename ? "%s.tmp" : "%s", os->full_path);
set_http_options(&opts, c);
ret = dashenc_io_open(s, &os->out, os->temp_path, &opts);
- if (ret < 0)
- return ret;
av_dict_free(&opts);
+ if (ret < 0) {
+ return handle_io_open_error(s, ret, os->temp_path);
+ }
+ if (c->lhls) {
+ char *prefetch_url = use_rename ? NULL : os->filename;
+ write_hls_media_playlist(os, s, pkt->stream_index, 0, prefetch_url);
+ }
}
//write out the data immediately in streaming mode
- if (c->streaming && c->segment_type == SEGMENT_TYPE_MP4) {
+ if (c->streaming && os->segment_type == SEGMENT_TYPE_MP4) {
int len = 0;
uint8_t *buf = NULL;
- if (!os->written_len)
- write_styp(os->ctx->pb);
avio_flush(os->ctx->pb);
len = avio_get_dyn_buf (os->ctx->pb, &buf);
- avio_write(os->out, buf + os->written_len, len - os->written_len);
+ if (os->out) {
+ avio_write(os->out, buf + os->written_len, len - os->written_len);
+ avio_flush(os->out);
+ }
os->written_len = len;
- avio_flush(os->out);
}
return ret;
static int dash_write_trailer(AVFormatContext *s)
{
DASHContext *c = s->priv_data;
+ int i;
if (s->nb_streams > 0) {
OutputStream *os = &c->streams[0];
dash_flush(s, 1, -1);
if (c->remove_at_exit) {
- char filename[1024];
- int i;
- for (i = 0; i < s->nb_streams; i++) {
+ for (i = 0; i < s->nb_streams; ++i) {
OutputStream *os = &c->streams[i];
- snprintf(filename, sizeof(filename), "%s%s", c->dirname, os->initfile);
- dashenc_delete_file(s, filename);
+ dashenc_delete_media_segments(s, os, os->nb_segments);
+ dashenc_delete_segment_file(s, os->initfile);
+ if (c->hls_playlist && os->segment_type == SEGMENT_TYPE_MP4) {
+ char filename[1024];
+ get_hls_playlist_name(filename, sizeof(filename), c->dirname, i);
+ dashenc_delete_file(s, filename);
+ }
}
dashenc_delete_file(s, s->url);
+
+ if (c->hls_playlist && c->master_playlist_created) {
+ char filename[1024];
+ snprintf(filename, sizeof(filename), "%s%s", c->dirname, c->hls_master_name);
+ dashenc_delete_file(s, filename);
+ }
}
return 0;
if (ret == 1) {
AVStream *st = s->streams[avpkt->stream_index];
AVStream *ost = oc->streams[0];
- st->internal->bsfcs = ost->internal->bsfcs;
- st->internal->nb_bsfcs = ost->internal->nb_bsfcs;
- ost->internal->bsfcs = NULL;
- ost->internal->nb_bsfcs = 0;
+ st->internal->bsfc = ost->internal->bsfc;
+ ost->internal->bsfc = NULL;
}
return ret;
}
{ "adaptation_sets", "Adaptation sets. Syntax: id=0,streams=0,1,2 id=1,streams=3,4 and so on", OFFSET(adaptation_sets), AV_OPT_TYPE_STRING, { 0 }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },
{ "window_size", "number of segments kept in the manifest", OFFSET(window_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, E },
{ "extra_window_size", "number of segments kept outside of the manifest before removing from disk", OFFSET(extra_window_size), AV_OPT_TYPE_INT, { .i64 = 5 }, 0, INT_MAX, E },
-#if FF_API_DASH_MIN_SEG_DURATION
- { "min_seg_duration", "minimum segment duration (in microseconds) (will be deprecated)", OFFSET(min_seg_duration), AV_OPT_TYPE_INT, { .i64 = 5000000 }, 0, INT_MAX, E },
-#endif
{ "seg_duration", "segment duration (in seconds, fractional value can be set)", OFFSET(seg_duration), AV_OPT_TYPE_DURATION, { .i64 = 5000000 }, 0, INT_MAX, E },
+ { "frag_duration", "fragment duration (in seconds, fractional value can be set)", OFFSET(frag_duration), AV_OPT_TYPE_DURATION, { .i64 = 0 }, 0, INT_MAX, E },
+ { "frag_type", "set type of interval for fragments", OFFSET(frag_type), AV_OPT_TYPE_INT, {.i64 = FRAG_TYPE_NONE }, 0, FRAG_TYPE_NB - 1, E, "frag_type"},
+ { "none", "one fragment per segment", 0, AV_OPT_TYPE_CONST, {.i64 = FRAG_TYPE_NONE }, 0, UINT_MAX, E, "frag_type"},
+ { "every_frame", "fragment at every frame", 0, AV_OPT_TYPE_CONST, {.i64 = FRAG_TYPE_EVERY_FRAME }, 0, UINT_MAX, E, "frag_type"},
+ { "duration", "fragment at specific time intervals", 0, AV_OPT_TYPE_CONST, {.i64 = FRAG_TYPE_DURATION }, 0, UINT_MAX, E, "frag_type"},
+ { "pframes", "fragment at keyframes and following P-Frame reordering (Video only, experimental)", 0, AV_OPT_TYPE_CONST, {.i64 = FRAG_TYPE_PFRAMES }, 0, UINT_MAX, E, "frag_type"},
{ "remove_at_exit", "remove all segments when finished", OFFSET(remove_at_exit), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
{ "use_template", "Use SegmentTemplate instead of SegmentList", OFFSET(use_template), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, E },
{ "use_timeline", "Use SegmentTimeline in SegmentTemplate", OFFSET(use_timeline), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, E },
{ "single_file", "Store all segments in one file, accessed using byte ranges", OFFSET(single_file), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
{ "single_file_name", "DASH-templated name to be used for baseURL. Implies storing all segments in one file, accessed using byte ranges", OFFSET(single_file_name), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
- { "init_seg_name", "DASH-templated name to used for the initialization segment", OFFSET(init_seg_name), AV_OPT_TYPE_STRING, {.str = "init-stream$RepresentationID$.m4s"}, 0, 0, E },
- { "media_seg_name", "DASH-templated name to used for the media segments", OFFSET(media_seg_name), AV_OPT_TYPE_STRING, {.str = "chunk-stream$RepresentationID$-$Number%05d$.m4s"}, 0, 0, E },
+ { "init_seg_name", "DASH-templated name to used for the initialization segment", OFFSET(init_seg_name), AV_OPT_TYPE_STRING, {.str = "init-stream$RepresentationID$.$ext$"}, 0, 0, E },
+ { "media_seg_name", "DASH-templated name to used for the media segments", OFFSET(media_seg_name), AV_OPT_TYPE_STRING, {.str = "chunk-stream$RepresentationID$-$Number%05d$.$ext$"}, 0, 0, E },
{ "utc_timing_url", "URL of the page that will return the UTC timestamp in ISO format", OFFSET(utc_timing_url), AV_OPT_TYPE_STRING, { 0 }, 0, 0, E },
{ "method", "set the HTTP method", OFFSET(method), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E },
{ "http_user_agent", "override User-Agent field in HTTP header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{ "http_persistent", "Use persistent HTTP connections", OFFSET(http_persistent), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
{ "hls_playlist", "Generate HLS playlist files(master.m3u8, media_%d.m3u8)", OFFSET(hls_playlist), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
+ { "hls_master_name", "HLS master playlist name", OFFSET(hls_master_name), AV_OPT_TYPE_STRING, {.str = "master.m3u8"}, 0, 0, E },
{ "streaming", "Enable/Disable streaming mode of output. Each frame will be moof fragment", OFFSET(streaming), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
{ "timeout", "set timeout for socket I/O operations", OFFSET(timeout), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT_MAX, .flags = E },
{ "index_correction", "Enable/Disable segment index correction logic", OFFSET(index_correction), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
- { "format_options","set list of options for the container format (mp4/webm) used for dash", OFFSET(format_options_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
- { "dash_segment_type", "set dash segment files type", OFFSET(segment_type), AV_OPT_TYPE_INT, {.i64 = SEGMENT_TYPE_MP4 }, 0, SEGMENT_TYPE_NB - 1, E, "segment_type"},
+ { "format_options","set list of options for the container format (mp4/webm) used for dash", OFFSET(format_options), AV_OPT_TYPE_DICT, {.str = NULL}, 0, 0, E},
+ { "global_sidx", "Write global SIDX atom. Applicable only for single file, mp4 output, non-streaming mode", OFFSET(global_sidx), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
+ { "dash_segment_type", "set dash segment files type", OFFSET(segment_type_option), AV_OPT_TYPE_INT, {.i64 = SEGMENT_TYPE_AUTO }, 0, SEGMENT_TYPE_NB - 1, E, "segment_type"},
+ { "auto", "select segment file format based on codec", 0, AV_OPT_TYPE_CONST, {.i64 = SEGMENT_TYPE_AUTO }, 0, UINT_MAX, E, "segment_type"},
{ "mp4", "make segment file in ISOBMFF format", 0, AV_OPT_TYPE_CONST, {.i64 = SEGMENT_TYPE_MP4 }, 0, UINT_MAX, E, "segment_type"},
{ "webm", "make segment file in WebM format", 0, AV_OPT_TYPE_CONST, {.i64 = SEGMENT_TYPE_WEBM }, 0, UINT_MAX, E, "segment_type"},
+ { "ignore_io_errors", "Ignore IO errors during open and write. Useful for long-duration runs with network output", OFFSET(ignore_io_errors), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
+ { "lhls", "Enable Low-latency HLS(Experimental). Adds #EXT-X-PREFETCH tag with current segment's URI", OFFSET(lhls), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
+ { "ldash", "Enable Low-latency dash. Constrains the value of a few elements", OFFSET(ldash), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
+ { "master_m3u8_publish_rate", "Publish master playlist every after this many segment intervals", OFFSET(master_publish_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, UINT_MAX, E},
+ { "write_prft", "Write producer reference time element", OFFSET(write_prft), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, E},
+ { "mpd_profile", "Set profiles. Elements and values used in the manifest may be constrained by them", OFFSET(profile), AV_OPT_TYPE_FLAGS, {.i64 = MPD_PROFILE_DASH }, 0, UINT_MAX, E, "mpd_profile"},
+ { "dash", "MPEG-DASH ISO Base media file format live profile", 0, AV_OPT_TYPE_CONST, {.i64 = MPD_PROFILE_DASH }, 0, UINT_MAX, E, "mpd_profile"},
+ { "dvb_dash", "DVB-DASH profile", 0, AV_OPT_TYPE_CONST, {.i64 = MPD_PROFILE_DVB }, 0, UINT_MAX, E, "mpd_profile"},
+ { "http_opts", "HTTP protocol options", OFFSET(http_opts), AV_OPT_TYPE_DICT, { .str = NULL }, 0, 0, E },
+ { "target_latency", "Set desired target latency for Low-latency dash", OFFSET(target_latency), AV_OPT_TYPE_DURATION, { .i64 = 0 }, 0, INT_MAX, E },
+ { "min_playback_rate", "Set desired minimum playback rate", OFFSET(min_playback_rate), AV_OPT_TYPE_RATIONAL, { .dbl = 1.0 }, 0.5, 1.5, E },
+ { "max_playback_rate", "Set desired maximum playback rate", OFFSET(max_playback_rate), AV_OPT_TYPE_RATIONAL, { .dbl = 1.0 }, 0.5, 1.5, E },
+ { "update_period", "Set the mpd update interval", OFFSET(update_period), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, E},
{ NULL },
};
.version = LIBAVUTIL_VERSION_INT,
};
-AVOutputFormat ff_dash_muxer = {
+const AVOutputFormat ff_dash_muxer = {
.name = "dash",
.long_name = NULL_IF_CONFIG_SMALL("DASH Muxer"),
.extensions = "mpd",
projects / ffmpeg / blobdiff