29 static int usage(
const char *argv0,
int ret)
31 fprintf(stderr,
"%s -out foo.mpd file1\n", argv0);
88 while (!
f->eof_reached) {
120 int err = 0,
i, orig_tracks = tracks->
nb_tracks;
121 char errbuf[50], *ptr;
127 fprintf(stderr,
"Unable to open %s: %s\n", file, errbuf);
134 fprintf(stderr,
"Unable to identify %s: %s\n", file, errbuf);
139 fprintf(stderr,
"No streams found in %s\n", file);
150 fprintf(stderr,
"Skipping track %d in %s as it has zero bitrate\n",
171 if ((ptr = strrchr(file,
'/')))
172 track->
name = ptr + 1;
183 "Track %d in %s is neither video nor audio, skipping\n",
208 err =
find_sidx(tracks, orig_tracks, file);
220 int minutes = seconds / 60;
221 int hours = minutes / 60;
227 fprintf(
out,
"%dH", hours);
228 if (hours || minutes)
229 fprintf(
out,
"%dM", minutes);
230 fprintf(
out,
"%d.%0*dS", seconds, decimals, fractions);
237 struct Track **adaptation_sets_buf[2] = {
NULL };
238 struct Track ***adaptation_sets;
239 int nb_tracks_buf[2] = { 0 };
244 adaptation_sets = adaptation_sets_buf;
245 nb_tracks = nb_tracks_buf;
247 for (
i = 0;
i < 2;
i++) {
249 if (!adaptation_sets[
i]) {
262 adaptation_sets[set_index][nb_tracks[set_index]++] = tracks->
tracks[
i];
265 adaptation_sets = &tracks->
tracks;
270 out = fopen(filename,
"w");
276 fprintf(
out,
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
277 fprintf(
out,
"<MPD xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
278 "\txmlns=\"urn:mpeg:dash:schema:mpd:2011\"\n"
279 "\txmlns:xlink=\"http://www.w3.org/1999/xlink\"\n"
280 "\txsi:schemaLocation=\"urn:mpeg:DASH:schema:MPD:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd\"\n"
281 "\tprofiles=\"urn:mpeg:dash:profile:isoff-on-demand:2011\"\n"
282 "\ttype=\"static\"\n");
283 fprintf(
out,
"\tmediaPresentationDuration=\"");
285 fprintf(
out,
"\"\n");
286 fprintf(
out,
"\tminBufferTime=\"PT5S\">\n");
288 fprintf(
out,
"\t<Period start=\"PT0.0S\">\n");
291 if (nb_tracks[
set] == 0)
293 fprintf(
out,
"\t\t<AdaptationSet segmentAlignment=\"true\">\n");
295 for (
i = 0;
i < nb_tracks[
set];
i++) {
296 struct Track *track = adaptation_sets[
set][
i];
297 if (strcmp(track->
name, adaptation_sets[
set][0]->
name))
299 fprintf(
out,
"\t\t\t<ContentComponent id=\"%d\" contentType=\"%s\" />\n", track->
track_id, track->
is_audio ?
"audio" :
"video");
303 for (
i = 0;
i < nb_tracks[
set]; ) {
304 struct Track *first_track = adaptation_sets[
set][
i];
306 fprintf(
out,
"\t\t\t<Representation id=\"%d\" codecs=\"",
i);
307 for (j =
i; j < nb_tracks[
set]; j++) {
308 struct Track *track = adaptation_sets[
set][j];
309 if (strcmp(track->
name, first_track->
name))
324 fprintf(
out,
"\" mimeType=\"%s/mp4\" bandwidth=\"%d\"",
332 fprintf(
out,
"\t\t\t\t<AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"%d\" />\n",
channels);
333 fprintf(
out,
"\t\t\t\t<BaseURL>%s</BaseURL>\n", first_track->
name);
335 fprintf(
out,
"\t\t\t</Representation>\n");
338 fprintf(
out,
"\t\t</AdaptationSet>\n");
340 fprintf(
out,
"\t</Period>\n");
341 fprintf(
out,
"</MPD>\n");
345 for (
i = 0;
i < 2;
i++)
360 int main(
int argc,
char **argv)
366 for (
i = 1;
i < argc;
i++) {
367 if (!strcmp(argv[
i],
"-out")) {
370 }
else if (argv[
i][0] ==
'-') {
371 return usage(argv[0], 1);
378 return usage(argv[0], 1);
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
#define AVIO_FLAG_READ
read-only
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
int avio_close(AVIOContext *s)
Close the resource accessed by the AVIOContext s and free it.
int avio_open2(AVIOContext **s, const char *url, int flags, const AVIOInterruptCB *int_cb, AVDictionary **options)
Create and initialize a AVIOContext for accessing the resource indicated by url.
unsigned int avio_rb32(AVIOContext *s)
size_t av_strlcatf(char *dst, size_t size, const char *fmt,...)
#define MKBETAG(a, b, c, d)
int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
Read packets of a media file to get stream information.
void avformat_close_input(AVFormatContext **s)
Close an opened input AVFormatContext.
int avformat_open_input(AVFormatContext **ps, const char *url, ff_const59 AVInputFormat *fmt, AVDictionary **options)
Open an input stream and read the header.
int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
Put a description of the AVERROR code errnum in errbuf.
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
Rescale a 64-bit integer with specified rounding.
AVRounding
Rounding methods.
@ AV_ROUND_DOWN
Round toward -infinity.
@ AV_ROUND_UP
Round toward +infinity.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
Allocate, reallocate, or free an array.
#define AV_TIME_BASE
Internal time base represented as integer.
static av_always_inline av_const double round(double x)
static int output_mpd(struct Tracks *tracks, const char *filename)
static int find_sidx(struct Tracks *tracks, int start_index, const char *file)
int main(int argc, char **argv)
static int usage(const char *argv0, int ret)
static int handle_file(struct Tracks *tracks, const char *file)
static void clean_tracks(struct Tracks *tracks)
static void write_time(FILE *out, int64_t time, int decimals, enum AVRounding round)
static void set_codec_str(AVCodecParameters *codecpar, char *str, int size)
This struct describes the properties of an encoded stream.
int extradata_size
Size of the extradata content in bytes.
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
enum AVMediaType codec_type
General type of the encoded data.
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
int sample_rate
Audio only.
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
AVStream ** streams
A list of all streams in the file.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
int64_t duration
Decoding: duration of the stream, in stream time base.
int id
Format-specific stream ID.
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
int multiple_tracks_per_file
#define av_malloc_array(a, b)
static void set(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFormat f, double v)