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-rw-r--r--libavformat/dashenc.c298
1 files changed, 119 insertions, 179 deletions
diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index 7134af4978..240ff41380 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -2,20 +2,20 @@
* MPEG-DASH ISO BMFF segmenter
* Copyright (c) 2014 Martin Storsjo
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -24,11 +24,13 @@
#include <unistd.h>
#endif
+#include "libavutil/avassert.h"
#include "libavutil/avutil.h"
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
+#include "libavutil/rational.h"
#include "libavutil/time_internal.h"
#include "avc.h"
@@ -38,16 +40,7 @@
#include "isom.h"
#include "os_support.h"
#include "url.h"
-
-// See ISO/IEC 23009-1:2014 5.3.9.4.4
-typedef enum {
- DASH_TMPL_ID_UNDEFINED = -1,
- DASH_TMPL_ID_ESCAPE,
- DASH_TMPL_ID_REP_ID,
- DASH_TMPL_ID_NUMBER,
- DASH_TMPL_ID_BANDWIDTH,
- DASH_TMPL_ID_TIME,
-} DASHTmplId;
+#include "dash.h"
typedef struct Segment {
char file[1024];
@@ -104,6 +97,8 @@ typedef struct DASHContext {
const char *single_file_name;
const char *init_seg_name;
const char *media_seg_name;
+ AVRational min_frame_rate, max_frame_rate;
+ int ambiguous_frame_rate;
const char *utc_timing_url;
} DASHContext;
@@ -153,7 +148,7 @@ static void set_codec_str(AVFormatContext *s, AVCodecParameters *par,
tags[0] = ff_mp4_obj_type;
oti = av_codec_get_tag(tags, par->codec_id);
if (oti)
- av_strlcatf(str, size, ".%02"SCNx32, oti);
+ av_strlcatf(str, size, ".%02"PRIx32, oti);
else
return;
@@ -322,119 +317,6 @@ static void output_segment_list(OutputStream *os, AVIOContext *out, DASHContext
}
}
-static DASHTmplId dash_read_tmpl_id(const char *identifier, char *format_tag,
- size_t format_tag_size, const char **ptr) {
- const char *next_ptr;
- DASHTmplId id_type = DASH_TMPL_ID_UNDEFINED;
-
- if (av_strstart(identifier, "$$", &next_ptr)) {
- id_type = DASH_TMPL_ID_ESCAPE;
- *ptr = next_ptr;
- } else if (av_strstart(identifier, "$RepresentationID$", &next_ptr)) {
- id_type = DASH_TMPL_ID_REP_ID;
- // default to basic format, as $RepresentationID$ identifiers
- // are not allowed to have custom format-tags.
- av_strlcpy(format_tag, "%d", format_tag_size);
- *ptr = next_ptr;
- } else { // the following identifiers may have an explicit format_tag
- if (av_strstart(identifier, "$Number", &next_ptr))
- id_type = DASH_TMPL_ID_NUMBER;
- else if (av_strstart(identifier, "$Bandwidth", &next_ptr))
- id_type = DASH_TMPL_ID_BANDWIDTH;
- else if (av_strstart(identifier, "$Time", &next_ptr))
- id_type = DASH_TMPL_ID_TIME;
- else
- id_type = DASH_TMPL_ID_UNDEFINED;
-
- // next parse the dash format-tag and generate a c-string format tag
- // (next_ptr now points at the first '%' at the beginning of the format-tag)
- if (id_type != DASH_TMPL_ID_UNDEFINED) {
- const char *number_format = (id_type == DASH_TMPL_ID_TIME) ? PRId64 : "d";
- if (next_ptr[0] == '$') { // no dash format-tag
- snprintf(format_tag, format_tag_size, "%%%s", number_format);
- *ptr = &next_ptr[1];
- } else {
- const char *width_ptr;
- // only tolerate single-digit width-field (i.e. up to 9-digit width)
- if (av_strstart(next_ptr, "%0", &width_ptr) &&
- av_isdigit(width_ptr[0]) &&
- av_strstart(&width_ptr[1], "d$", &next_ptr)) {
- // yes, we're using a format tag to build format_tag.
- snprintf(format_tag, format_tag_size, "%s%c%s", "%0", width_ptr[0], number_format);
- *ptr = next_ptr;
- } else {
- av_log(NULL, AV_LOG_WARNING, "Failed to parse format-tag beginning with %s. Expected either a "
- "closing '$' character or a format-string like '%%0[width]d', "
- "where width must be a single digit\n", next_ptr);
- id_type = DASH_TMPL_ID_UNDEFINED;
- }
- }
- }
- }
- return id_type;
-}
-
-static void dash_fill_tmpl_params(char *dst, size_t buffer_size,
- const char *template, int rep_id,
- int number, int bit_rate,
- int64_t time) {
- int dst_pos = 0;
- const char *t_cur = template;
- while (dst_pos < buffer_size - 1 && *t_cur) {
- char format_tag[7]; // May be "%d", "%0Xd", or "%0Xlld" (for $Time$), where X is in [0-9]
- int n = 0;
- DASHTmplId id_type;
- const char *t_next = strchr(t_cur, '$'); // copy over everything up to the first '$' character
- if (t_next) {
- int num_copy_bytes = FFMIN(t_next - t_cur, buffer_size - dst_pos - 1);
- av_strlcpy(&dst[dst_pos], t_cur, num_copy_bytes + 1);
- // advance
- dst_pos += num_copy_bytes;
- t_cur = t_next;
- } else { // no more DASH identifiers to substitute - just copy the rest over and break
- av_strlcpy(&dst[dst_pos], t_cur, buffer_size - dst_pos);
- break;
- }
-
- if (dst_pos >= buffer_size - 1 || !*t_cur)
- break;
-
- // t_cur is now pointing to a '$' character
- id_type = dash_read_tmpl_id(t_cur, format_tag, sizeof(format_tag), &t_next);
- switch (id_type) {
- case DASH_TMPL_ID_ESCAPE:
- av_strlcpy(&dst[dst_pos], "$", 2);
- n = 1;
- break;
- case DASH_TMPL_ID_REP_ID:
- n = snprintf(&dst[dst_pos], buffer_size - dst_pos, format_tag, rep_id);
- break;
- case DASH_TMPL_ID_NUMBER:
- n = snprintf(&dst[dst_pos], buffer_size - dst_pos, format_tag, number);
- break;
- case DASH_TMPL_ID_BANDWIDTH:
- n = snprintf(&dst[dst_pos], buffer_size - dst_pos, format_tag, bit_rate);
- break;
- case DASH_TMPL_ID_TIME:
- n = snprintf(&dst[dst_pos], buffer_size - dst_pos, format_tag, time);
- break;
- case DASH_TMPL_ID_UNDEFINED:
- // copy over one byte and advance
- av_strlcpy(&dst[dst_pos], t_cur, 2);
- n = 1;
- t_next = &t_cur[1];
- break;
- }
- // t_next points just past the processed identifier
- // n is the number of bytes that were attempted to be written to dst
- // (may have failed to write all because buffer_size).
-
- // advance
- dst_pos += FFMIN(n, buffer_size - dst_pos - 1);
- t_cur = t_next;
- }
-}
-
static char *xmlescape(const char *str) {
int outlen = strlen(str)*3/2 + 6;
char *out = av_realloc(NULL, outlen + 1);
@@ -511,6 +393,8 @@ static int write_adaptation_set(AVFormatContext *s, AVIOContext *out, int as_ind
avio_printf(out, "\t\t<AdaptationSet id=\"%s\" contentType=\"%s\" segmentAlignment=\"true\" bitstreamSwitching=\"true\"",
as->id, as->media_type == AVMEDIA_TYPE_VIDEO ? "video" : "audio");
+ if (as->media_type == AVMEDIA_TYPE_VIDEO && c->max_frame_rate.num && !c->ambiguous_frame_rate)
+ avio_printf(out, " %s=\"%d/%d\"", (av_cmp_q(c->min_frame_rate, c->max_frame_rate) < 0) ? "maxFrameRate" : "frameRate", c->max_frame_rate.num, c->max_frame_rate.den);
lang = av_dict_get(as->metadata, "language", NULL, 0);
if (lang)
avio_printf(out, " lang=\"%s\"", lang->value);
@@ -527,8 +411,12 @@ static int write_adaptation_set(AVFormatContext *s, AVIOContext *out, int as_ind
continue;
if (as->media_type == AVMEDIA_TYPE_VIDEO) {
- avio_printf(out, "\t\t\t<Representation id=\"%d\" mimeType=\"video/%s\" codecs=\"%s\"%s width=\"%d\" height=\"%d\">\n",
+ 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, os->format_name, os->codec_str, os->bandwidth_str, s->streams[i]->codecpar->width, s->streams[i]->codecpar->height);
+ if (st->avg_frame_rate.num)
+ avio_printf(out, " frameRate=\"%d/%d\"", st->avg_frame_rate.num, st->avg_frame_rate.den);
+ avio_printf(out, ">\n");
} else {
avio_printf(out, "\t\t\t<Representation id=\"%d\" mimeType=\"audio/%s\" codecs=\"%s\"%s audioSamplingRate=\"%d\">\n",
i, os->format_name, os->codec_str, os->bandwidth_str, s->streams[i]->codecpar->sample_rate);
@@ -683,9 +571,15 @@ static int write_manifest(AVFormatContext *s, int final)
AVIOContext *out;
char temp_filename[1024];
int ret, i;
+ const char *proto = avio_find_protocol_name(s->filename);
+ int use_rename = proto && !strcmp(proto, "file");
+ static unsigned int warned_non_file = 0;
AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
- snprintf(temp_filename, sizeof(temp_filename), "%s.tmp", s->filename);
+ 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");
+
+ snprintf(temp_filename, sizeof(temp_filename), use_rename ? "%s.tmp" : "%s", s->filename);
ret = s->io_open(s, &out, temp_filename, AVIO_FLAG_WRITE, NULL);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Unable to open %s for writing\n", temp_filename);
@@ -755,7 +649,11 @@ static int write_manifest(AVFormatContext *s, int final)
avio_printf(out, "</MPD>\n");
avio_flush(out);
ff_format_io_close(s, &out);
- return ff_rename(temp_filename, s->filename);
+
+ if (use_rename)
+ return avpriv_io_move(temp_filename, s->filename);
+
+ return 0;
}
static int dict_copy_entry(AVDictionary **dst, const AVDictionary *src, const char *key)
@@ -774,7 +672,7 @@ static int dict_set_int(AVDictionary **pm, const char *key, int64_t value, int f
return av_dict_set(pm, key, valuestr, flags);
}
-static int dash_write_header(AVFormatContext *s)
+static int dash_init(AVFormatContext *s)
{
DASHContext *c = s->priv_data;
int ret = 0, i;
@@ -785,6 +683,7 @@ static int dash_write_header(AVFormatContext *s)
c->single_file = 1;
if (c->single_file)
c->use_template = 0;
+ c->ambiguous_frame_rate = 0;
av_strlcpy(c->dirname, s->filename, sizeof(c->dirname));
ptr = strrchr(c->dirname, '/');
@@ -801,13 +700,11 @@ static int dash_write_header(AVFormatContext *s)
*ptr = '\0';
c->streams = av_mallocz(sizeof(*c->streams) * s->nb_streams);
- if (!c->streams) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
+ if (!c->streams)
+ return AVERROR(ENOMEM);
if ((ret = parse_adaptation_sets(s)) < 0)
- goto fail;
+ return ret;
for (i = 0; i < s->nb_streams; i++) {
OutputStream *os = &c->streams[i];
@@ -825,10 +722,8 @@ static int dash_write_header(AVFormatContext *s)
int level = s->strict_std_compliance >= FF_COMPLIANCE_STRICT ?
AV_LOG_ERROR : AV_LOG_WARNING;
av_log(s, level, "No bit rate set for stream %d\n", i);
- if (s->strict_std_compliance >= FF_COMPLIANCE_STRICT) {
- ret = AVERROR(EINVAL);
- goto fail;
- }
+ if (s->strict_std_compliance >= FF_COMPLIANCE_STRICT)
+ return AVERROR(EINVAL);
}
// copy AdaptationSet language and role from stream metadata
@@ -836,10 +731,8 @@ static int dash_write_header(AVFormatContext *s)
dict_copy_entry(&as->metadata, s->streams[i]->metadata, "role");
ctx = avformat_alloc_context();
- if (!ctx) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
+ if (!ctx)
+ return AVERROR(ENOMEM);
// choose muxer based on codec: webm for VP8/9 and opus, mp4 otherwise
// note: os->format_name is also used as part of the mimetype of the
@@ -853,40 +746,37 @@ static int dash_write_header(AVFormatContext *s)
snprintf(os->format_name, sizeof(os->format_name), "mp4");
}
ctx->oformat = av_guess_format(os->format_name, NULL, NULL);
- if (!ctx->oformat) {
- ret = AVERROR_MUXER_NOT_FOUND;
- goto fail;
- }
+ 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->io_open = s->io_open;
- if (!(st = avformat_new_stream(ctx, NULL))) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
+ if (!(st = avformat_new_stream(ctx, NULL)))
+ return AVERROR(ENOMEM);
avcodec_parameters_copy(st->codecpar, s->streams[i]->codecpar);
st->sample_aspect_ratio = s->streams[i]->sample_aspect_ratio;
st->time_base = s->streams[i]->time_base;
ctx->avoid_negative_ts = s->avoid_negative_ts;
+ ctx->flags = s->flags;
if ((ret = avio_open_dyn_buf(&ctx->pb)) < 0)
- goto fail;
+ return ret;
if (c->single_file) {
if (c->single_file_name)
- dash_fill_tmpl_params(os->initfile, sizeof(os->initfile), c->single_file_name, i, 0, os->bit_rate, 0);
+ ff_dash_fill_tmpl_params(os->initfile, sizeof(os->initfile), c->single_file_name, i, 0, os->bit_rate, 0);
else
snprintf(os->initfile, sizeof(os->initfile), "%s-stream%d.m4s", basename, i);
} else {
- 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), c->init_seg_name, i, 0, os->bit_rate, 0);
}
snprintf(filename, sizeof(filename), "%s%s", c->dirname, os->initfile);
ret = s->io_open(s, &os->out, filename, AVIO_FLAG_WRITE, NULL);
if (ret < 0)
- goto fail;
+ return ret;
os->init_start_pos = 0;
if (!strcmp(os->format_name, "mp4")) {
@@ -895,9 +785,8 @@ static int dash_write_header(AVFormatContext *s)
dict_set_int(&opts, "cluster_time_limit", c->min_seg_duration / 1000, 0);
dict_set_int(&opts, "cluster_size_limit", 5 * 1024 * 1024, 0); // set a large cluster size limit
}
- if ((ret = avformat_write_header(ctx, &opts)) < 0) {
- goto fail;
- }
+ if ((ret = avformat_write_header(ctx, &opts)) < 0)
+ return ret;
os->ctx_inited = 1;
avio_flush(ctx->pb);
av_dict_free(&opts);
@@ -916,8 +805,18 @@ static int dash_write_header(AVFormatContext *s)
// already before being handed to this muxer, so we don't have mismatches
// between the MPD and the actual segments.
s->avoid_negative_ts = ctx->avoid_negative_ts;
- if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+ AVRational avg_frame_rate = s->streams[i]->avg_frame_rate;
+ if (avg_frame_rate.num > 0) {
+ if (av_cmp_q(avg_frame_rate, c->min_frame_rate) < 0)
+ c->min_frame_rate = avg_frame_rate;
+ if (av_cmp_q(c->max_frame_rate, avg_frame_rate) < 0)
+ c->max_frame_rate = avg_frame_rate;
+ } else {
+ c->ambiguous_frame_rate = 1;
+ }
c->has_video = 1;
+ }
set_codec_str(s, st->codecpar, os->codec_str, sizeof(os->codec_str));
os->first_pts = AV_NOPTS_VALUE;
@@ -928,15 +827,25 @@ static int dash_write_header(AVFormatContext *s)
if (!c->has_video && c->min_seg_duration <= 0) {
av_log(s, AV_LOG_WARNING, "no video stream and no min seg duration set\n");
- ret = AVERROR(EINVAL);
+ return AVERROR(EINVAL);
+ }
+ return 0;
+}
+
+static int dash_write_header(AVFormatContext *s)
+{
+ DASHContext *c = s->priv_data;
+ int i, ret;
+ for (i = 0; i < s->nb_streams; i++) {
+ OutputStream *os = &c->streams[i];
+ if ((ret = avformat_write_header(os->ctx, NULL)) < 0) {
+ dash_free(s);
+ return ret;
+ }
}
ret = write_manifest(s, 0);
if (!ret)
av_log(s, AV_LOG_VERBOSE, "Manifest written to: %s\n", s->filename);
-
-fail:
- if (ret)
- dash_free(s);
return ret;
}
@@ -1034,6 +943,10 @@ static int dash_flush(AVFormatContext *s, int final, int stream)
{
DASHContext *c = s->priv_data;
int i, ret = 0;
+
+ const char *proto = avio_find_protocol_name(s->filename);
+ int use_rename = proto && !strcmp(proto, "file");
+
int cur_flush_segment_index = 0;
if (stream >= 0)
cur_flush_segment_index = c->streams[stream].segment_index;
@@ -1063,9 +976,9 @@ static int dash_flush(AVFormatContext *s, int final, int stream)
}
if (!c->single_file) {
- dash_fill_tmpl_params(filename, sizeof(filename), c->media_seg_name, i, os->segment_index, os->bit_rate, os->start_pts);
+ ff_dash_fill_tmpl_params(filename, sizeof(filename), c->media_seg_name, i, os->segment_index, os->bit_rate, os->start_pts);
snprintf(full_path, sizeof(full_path), "%s%s", c->dirname, filename);
- snprintf(temp_path, sizeof(temp_path), "%s.tmp", full_path);
+ snprintf(temp_path, sizeof(temp_path), use_rename ? "%s.tmp" : "%s", full_path);
ret = s->io_open(s, &os->out, temp_path, AVIO_FLAG_WRITE, NULL);
if (ret < 0)
break;
@@ -1084,9 +997,12 @@ static int dash_flush(AVFormatContext *s, int final, int stream)
find_index_range(s, full_path, os->pos, &index_length);
} else {
ff_format_io_close(s, &os->out);
- ret = ff_rename(temp_path, full_path);
- if (ret < 0)
- break;
+
+ if (use_rename) {
+ ret = avpriv_io_move(temp_path, full_path);
+ if (ret < 0)
+ break;
+ }
}
if (!os->bit_rate) {
@@ -1201,7 +1117,7 @@ static int dash_write_packet(AVFormatContext *s, AVPacket *pkt)
else
os->max_pts = FFMAX(os->max_pts, pkt->pts + pkt->duration);
os->packets_written++;
- return ff_write_chained(os->ctx, 0, pkt, s);
+ return ff_write_chained(os->ctx, 0, pkt, s, 0);
}
static int dash_write_trailer(AVFormatContext *s)
@@ -1233,10 +1149,32 @@ static int dash_write_trailer(AVFormatContext *s)
unlink(s->filename);
}
- dash_free(s);
return 0;
}
+static int dash_check_bitstream(struct AVFormatContext *s, const AVPacket *avpkt)
+{
+ DASHContext *c = s->priv_data;
+ OutputStream *os = &c->streams[avpkt->stream_index];
+ AVFormatContext *oc = os->ctx;
+ if (oc->oformat->check_bitstream) {
+ int ret;
+ AVPacket pkt = *avpkt;
+ pkt.stream_index = 0;
+ ret = oc->oformat->check_bitstream(oc, &pkt);
+ 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;
+ }
+ return ret;
+ }
+ return 1;
+}
+
#define OFFSET(x) offsetof(DASHContext, x)
#define E AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
@@ -1244,14 +1182,14 @@ static const AVOption options[] = {
{ "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 },
{ "min_seg_duration", "minimum segment duration (in microseconds)", OFFSET(min_seg_duration), AV_OPT_TYPE_INT64, { .i64 = 5000000 }, 0, INT_MAX, E },
- { "remove_at_exit", "remove all segments when finished", OFFSET(remove_at_exit), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, E },
- { "use_template", "Use SegmentTemplate instead of SegmentList", OFFSET(use_template), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, E },
- { "use_timeline", "Use SegmentTimeline in SegmentTemplate", OFFSET(use_timeline), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, E },
- { "single_file", "Store all segments in one file, accessed using byte ranges", OFFSET(single_file), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, E },
+ { "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 },
- { "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, AV_OPT_FLAG_ENCODING_PARAM },
+ { "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 },
{ NULL },
};
@@ -1269,9 +1207,11 @@ AVOutputFormat ff_dash_muxer = {
.audio_codec = AV_CODEC_ID_AAC,
.video_codec = AV_CODEC_ID_H264,
.flags = AVFMT_GLOBALHEADER | AVFMT_NOFILE | AVFMT_TS_NEGATIVE,
+ .init = dash_init,
.write_header = dash_write_header,
.write_packet = dash_write_packet,
.write_trailer = dash_write_trailer,
- .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
+ .deinit = dash_free,
+ .check_bitstream = dash_check_bitstream,
.priv_class = &dash_class,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-28 13:57:34 +0000