44 uint32_t stream_bitrates[128];
46 char stream_languages[128][6];
98 #define ASF_MAX_STREAMS 127
99 #define FRAME_HEADER_SIZE 17
103 0x90, 0x08, 0x00, 0x33, 0xb1, 0xe5, 0xcf, 0x11, 0x89, 0xf4, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xcb
108 0xce, 0x75, 0xf8, 0x7b, 0x8d, 0x46, 0xd1, 0x11, 0x8d, 0x82, 0x00, 0x60, 0x97, 0xc9, 0xa2, 0xb2
111 #define PRINT_IF_GUID(g,cmp) \
112 if (!ff_guidcmp(g, &cmp)) \
113 av_dlog(NULL, "(GUID: %s) ", #cmp)
140 else PRINT_IF_GUID(g, stream_bitrate_guid);
150 #define print_guid(g)
155 assert(
sizeof(*g) == 16);
174 default:
return INT_MIN;
189 int ret, type, picsize, desc_len;
192 if (len < 1 + 4 + 2 + 2) {
212 if (!strncmp(mime->
str, mimetype,
sizeof(mimetype))) {
224 if (picsize >= len) {
231 desc_len = (len - picsize) * 2 + 1;
278 if ((
unsigned)len >= (UINT_MAX - 1)/2)
287 }
else if (type > 1 && type <= 5) {
289 snprintf(value, len,
"%"PRIu64, num);
290 }
else if (type == 1 && !strcmp(key,
"WM/Picture")) {
336 int type_specific_size, sizeX;
339 int test_for_ext_stream_audio, is_dvr_ms_audio=0;
363 (10000000 / 1000) - start_time;
367 test_for_ext_stream_audio = 0;
378 test_for_ext_stream_audio = 1;
393 if (test_for_ext_stream_audio) {
412 if (is_dvr_ms_audio) {
425 if (size >= (pos2 + 8 - pos1 + 24)) {
439 size - (
avio_tell(pb) - pos1 + 24) >= 51) {
475 if(tag1 ==
MKTAG(
'D',
'V',
'R',
' ')){
487 avio_skip(pb, size - (pos2 - pos1 + 24));
497 int ext_len, payload_ext_ct, stream_ct, i;
498 uint32_t leak_rate, stream_num;
499 unsigned int stream_languageid_index;
514 if (stream_num < 128)
521 if (stream_num < 128)
524 for (i=0; i<stream_ct; i++){
530 for (i=0; i<payload_ext_ct; i++){
543 int len1, len2, len3, len4, len5;
551 get_tag(s,
"author" , 0, len2);
552 get_tag(s,
"copyright", 0, len3);
553 get_tag(s,
"comment" , 0, len4);
563 int desc_count, i, ret;
566 for(i=0;i<desc_count;i++) {
567 int name_len,value_type,value_len;
577 if (!value_type && value_len%2)
583 if (!strcmp(name,
"AspectRatioX")){
585 }
else if(!strcmp(name,
"AspectRatioY")){
588 get_tag(s, name, value_type, value_len);
600 for(j = 0; j < stream_count; j++) {
602 unsigned int lang_len =
avio_r8(pb);
616 int n, stream_num, name_len, value_len, value_num;
632 av_dlog(s,
"%d %d %d %d %d <%s>\n",
633 i, stream_num, name_len, value_type, value_len, name);
638 if (!strcmp(name,
"AspectRatioX")) asf->
dar[stream_num].
num= value_num;
639 else if(!strcmp(name,
"AspectRatioY")) asf->
dar[stream_num].
den= value_num;
649 int i, count, name_len, ret;
657 for(i=0;i<name_len;i++){
661 for(i=0;i<count;i++){
671 if ((ret =
avio_get_str16le(pb, name_len * 2, name,
sizeof(name))) < name_len)
703 if (!(asf->
hdr.
flags & 0x01) && gsize >= 100) {
767 for(i=0; i<128; i++){
782 av_dlog(s,
"i=%d, st->codec->codec_type:%d, asf->dar %d:%d sar=%d:%d\n",
789 if (rfc1766 && strlen(rfc1766) > 1) {
790 const char primary_tag[3] = { rfc1766[0], rfc1766[1],
'\0' };
804 #define DO_2BITS(bits, var, defval) \
807 case 3: var = avio_rl32(pb); rsize += 4; break; \
808 case 2: var = avio_rl16(pb); rsize += 2; break; \
809 case 1: var = avio_r8(pb); rsize++; break; \
810 default: var = defval; break; \
822 uint32_t packet_length, padsize;
837 if(c == 0x82 && !d && !e)
853 if ((c & 0x8f) == 0x82) {
874 if(!packet_length || packet_length >= (1
U<<29)){
878 if(padsize >= packet_length){
894 if (rsize > packet_length - padsize) {
897 "invalid packet header length %d for pktlen %d-%d at %"PRId64
"\n",
898 rsize, packet_length, padsize,
avio_tell(pb));
902 if (packet_length < asf->hdr.min_pktsize)
926 av_dlog(asf,
"key:%d stream:%d seq:%d offset:%d replic_size:%d\n",
1096 av_dlog(asf,
"new packet: stream:%d key:%d packet_key:%d audio:%d size:%d\n",
1108 av_dlog(asf,
"READ PACKET s:%d os:%d o:%d,%d l:%d DATA:%p\n",
1125 if (ret < 0 || asf->packet_frag_offset + ret == 0)
1163 "ds_span (%d %d %d)\n", asf_st->
pkt.
size,
1171 while (offset < asf_st->pkt.
size) {
1173 int row = off / asf_st->
ds_span;
1174 int col = off % asf_st->
ds_span;
1178 memcpy(newdata + offset,
1322 if (gsize < 24 || s->pb->eof_reached) {
1331 int64_t itime, last_pos=-1;
1340 for (i=0;i<ict;i++){
1346 if(pos != last_pos){
1347 av_log(s,
AV_LOG_DEBUG,
"pktnum:%d, pktct:%d pts: %"PRId64
"\n", pktnum, pktct, index_pts);
1410 .priv_class = &asf_class,
#define FRAME_HEADER_SIZE
codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it ...
const ff_asf_guid ff_asf_header
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
discard all frames except keyframes
static int asf_read_marker(AVFormatContext *s, int64_t size)
void av_free_packet(AVPacket *pkt)
Free a packet.
const ff_asf_guid ff_asf_ext_stream_audio_stream
const ff_asf_guid ff_asf_ext_content_encryption
int av_add_index_entry(AVStream *st, int64_t pos, int64_t timestamp, int size, int distance, int flags)
Add an index entry into a sorted list.
const ff_asf_guid ff_asf_codec_comment_header
const ff_asf_guid ff_asf_metadata_header
AVInputFormat ff_asf_demuxer
int64_t pos
byte position in stream, -1 if unknown
static int asf_read_ext_stream_properties(AVFormatContext *s, int64_t size)
void av_shrink_packet(AVPacket *pkt, int size)
Reduce packet size, correctly zeroing padding.
static const AVClass asf_class
static int read_seek(AVFormatContext *ctx, int stream_index, int64_t timestamp, int flags)
uint64_t data_offset
beginning of the first data packet
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown)
static const AVOption options[]
static int asf_read_metadata(AVFormatContext *s, int64_t size)
int index
stream index in AVFormatContext
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
AVIndexEntry * index_entries
Only used if the format does not support seeking natively.
int64_t packet_frag_timestamp
#define AV_DISPOSITION_ATTACHED_PIC
const ff_asf_guid ff_asf_command_stream
#define AVFMT_NOGENSEARCH
av_dlog(ac->avr,"%d samples - audio_convert: %s to %s (%s)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic?ac->func_descr_generic:ac->func_descr)
const ff_asf_guid ff_asf_ext_stream_header
int64_t data_offset
offset of the first packet
uint32_t min_pktsize
size of a data packet invalid if broadcasting
int avio_get_str16le(AVIOContext *pb, int maxlen, char *buf, int buflen)
Read a UTF-16 string from pb and convert it to UTF-8.
static int asf_read_file_properties(AVFormatContext *s, int64_t size)
Macro definitions for various function/variable attributes.
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
const ff_asf_guid ff_asf_data_header
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
uint32_t flags
0x01 - broadcast 0x02 - seekable rest is reserved should be 0
Opaque data information usually continuous.
const ff_asf_guid ff_asf_audio_stream
enum AVStreamParseType need_parsing
int id
Format-specific stream ID.
ASFStream streams[128]
it's max number and it's not that big
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
#define DO_2BITS(bits, var, defval)
ASFStream * asf_st
currently decoded stream
uint64_t send_time
time to send file, in 100-nanosecond units invalid if broadcasting (could be ignored) ...
static av_cold int read_close(AVFormatContext *ctx)
#define MKTAG(a, b, c, d)
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
int asfid2avid[128]
conversion table from asf ID 2 AVStream ID
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
uint64_t file_size
in bytes invalid if broadcasting
ff_asf_guid guid
generated by client computer
#define AV_DICT_DONT_STRDUP_VAL
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
const ff_asf_guid ff_asf_audio_conceal_none
static int asf_read_picture(AVFormatContext *s, int len)
static int64_t start_time
AVCodecID
Identify the syntax and semantics of the bitstream.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
const ff_asf_guid ff_asf_head1_guid
static int get_value(AVIOContext *pb, int type)
int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags)
Get the index for a specific timestamp.
void ff_get_guid(AVIOContext *s, ff_asf_guid *g)
const ff_asf_guid ff_asf_head2_guid
unsigned int avio_rl32(AVIOContext *s)
int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
const char * av_convert_lang_to(const char *lang, enum AVLangCodespace target_codespace)
Convert a language code to a target codespace.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void ff_asfcrypt_dec(const uint8_t key[20], uint8_t *data, int len)
const ff_asf_guid ff_asf_video_conceal_none
void av_log(void *avcl, int level, const char *fmt,...)
AVStream * avformat_new_stream(AVFormatContext *s, AVCodec *c)
Add a new stream to a media file.
uint64_t data_object_size
size of the data object
size_t av_strlcpy(char *dst, const char *src, size_t size)
Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst.
const char * ff_id3v2_picture_types[21]
int flags
A combination of AV_PKT_FLAG values.
static int asf_read_header(AVFormatContext *s)
int avio_r8(AVIOContext *s)
AVCodecContext * codec
Codec context associated with this stream.
uint32_t max_pktsize
shall be the same as for min_pktsize invalid if broadcasting
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
const CodecMime ff_id3v2_mime_tags[]
unsigned int nb_streams
A list of all streams in the file.
int bit_rate
the average bitrate
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
const ff_asf_guid ff_asf_digital_signature
const AVCodecTag ff_codec_bmp_tags[]
char stream_languages[128][6]
max number of streams, language for each (RFC1766, e.g. en-US)
int width
picture width / height.
const ff_asf_guid ff_asf_extended_content_header
static av_always_inline int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
unsigned int packet_frag_size
internal header for RIFF based (de)muxers do NOT include this in end user applications ...
const ff_asf_guid ff_asf_ext_stream_embed_stream_header
const ff_asf_guid ff_asf_my_guid
Usually treated as AVMEDIA_TYPE_DATA.
static int asf_probe(AVProbeData *pd)
preferred ID for MPEG-1/2 video decoding
static int read_header(FFV1Context *f)
static int asf_read_stream_properties(AVFormatContext *s, int64_t size)
static int ff_asf_parse_packet(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
Parse data from individual ASF packets (which were previously loaded with asf_get_packet()).
uint32_t ignore
preroll is 64bit - but let's just ignore it
uint32_t stream_bitrates[128]
max number of streams, bitrate for each (for streaming)
uint64_t create_time
time of creation, in 100-nanosecond units since 1.1.1601 invalid if broadcasting
enum AVMediaType codec_type
const ff_asf_guid ff_asf_file_header
uint64_t play_time
play time, in 100-nanosecond units invalid if broadcasting
static void get_tag(AVFormatContext *s, const char *key, int type, int len)
AVIOContext * pb
I/O context.
static int64_t asf_read_pts(AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit)
#define AV_OPT_FLAG_DECODING_PARAM
const ff_asf_guid ff_asf_video_stream
static int asf_read_seek(AVFormatContext *s, int stream_index, int64_t pts, int flags)
static int ff_asf_get_packet(AVFormatContext *s, AVIOContext *pb)
Load a single ASF packet into the demuxer.
uint16_t stream_language_index
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
static int read_packet(AVFormatContext *ctx, AVPacket *pkt)
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
Describe the class of an AVClass context structure.
#define FF_ARRAY_ELEMS(a)
rational number numerator/denominator
const ff_asf_guid ff_asf_stream_header
unsigned int packet_frag_offset
#define AVFMT_NOBINSEARCH
static void asf_build_simple_index(AVFormatContext *s, int stream_index)
static int asf_read_close(AVFormatContext *s)
#define FF_INPUT_BUFFER_PADDING_SIZE
const AVMetadataConv ff_asf_metadata_conv[]
uint64_t data_object_offset
data object offset (excl. GUID & size)
int error
contains the error code or 0 if no error happened
This structure contains the data a format has to probe a file.
static int asf_read_ext_content_desc(AVFormatContext *s, int64_t size)
static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb)
static int asf_read_content_desc(AVFormatContext *s, int64_t size)
const ff_asf_guid ff_asf_comment_header
int64_t duration
Decoding: duration of the stream, in stream time base.
uint32_t preroll
timestamp of the first packet, in milliseconds if nonzero - subtract from time
const ff_asf_guid ff_asf_language_guid
unsigned int avio_rl16(AVIOContext *s)
const ff_asf_guid ff_asf_jfif_media
common internal and external API header
static const ff_asf_guid index_guid
int64_t start_time
Decoding: pts of the first frame of the stream, in stream time base.
#define AVERROR_INVALIDDATA
int disposition
AV_DISPOSITION_* bit field.
#define AVPROBE_SCORE_MAX
const ff_asf_guid ff_asf_codec_comment1_header
int64_t avio_seek_time(AVIOContext *h, int stream_index, int64_t timestamp, int flags)
Seek to a given timestamp relative to some component stream.
const ff_asf_guid ff_asf_content_encryption
int eof_reached
true if eof reached
void * priv_data
Format private data.
static int asf_read_language_list(AVFormatContext *s, int64_t size)
struct AVPacket::@11 * side_data
Additional packet data that can be provided by the container.
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
const ff_asf_guid ff_asf_marker_header
uint8_t * av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Allocate new information of a packet.
enum AVDiscard discard
Selects which packets can be discarded at will and do not need to be demuxed.
static void asf_reset_header(AVFormatContext *s)
This structure stores compressed data.
uint64_t avio_rl64(AVIOContext *s)
uint32_t max_bitrate
bandwidth of stream in bps should be the sum of bitrates of the individual media streams ...
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
static av_always_inline int ff_guidcmp(const void *g1, const void *g2)
AVPacket attached_pic
For streams with AV_DISPOSITION_ATTACHED_PIC disposition, this packet will contain the attached pictu...
static int asf_read_packet(AVFormatContext *s, AVPacket *pkt)