40 #define PRI_PRETTY_GUID \
41 "%08"PRIx32"-%04"PRIx16"-%04"PRIx16"-%02x%02x%02x%02x%02x%02x%02x%02x"
42 #define ARG_PRETTY_GUID(g) \
43 AV_RL32(g),AV_RL16(g+4),AV_RL16(g+6),g[8],g[9],g[10],g[11],g[12],g[13],g[14],g[15]
44 #define LEN_PRETTY_GUID 34
82 while(nread < buf_size) {
85 int read_request =
FFMIN(buf_size - nread, remaining_in_sector);
93 if (n == remaining_in_sector) {
116 else if (whence == SEEK_CUR)
118 else if (whence == SEEK_END)
138 for (i = 0; i <
count; i++) {
174 }
else if (depth == 1) {
181 }
else if (depth == 2) {
192 for (i = 0; i < nb_sectors1; i++) {
215 length &= 0xFFFFFFFFFFFF;
258 const uint8_t *buf_end = buf + buf_size;
260 while(buf + 48 <= buf_end) {
261 int dir_length, name_size, first_sector,
depth;
262 uint64_t file_length;
266 "remaining directory entries ignored\n",
FF_ARG_GUID(buf));
269 dir_length =
AV_RL16(buf + 16);
270 file_length =
AV_RL64(buf + 24);
271 name_size = 2 *
AV_RL32(buf + 32);
274 "bad filename length, remaining directory entries ignored\n");
277 if (48 + (int64_t)name_size > buf_end - buf) {
278 av_log(s,
AV_LOG_ERROR,
"filename exceeds buffer size; remaining directory entries ignored\n");
281 first_sector =
AV_RL32(buf + 40 + name_size);
282 depth =
AV_RL32(buf + 44 + name_size);
286 if (name_size >= filename_size &&
287 !memcmp(name, filename, filename_size) &&
288 (name_size < filename_size + 2 || !
AV_RN16(name + filename_size)))
296 #define wtvfile_open(s, buf, buf_size, filename) \
297 wtvfile_open2(s, buf, buf_size, filename, sizeof(filename))
334 {0x48,0xC0,0xCE,0x5D,0xB9,0xD0,0x63,0x41,0x87,0x2C,0x4F,0x32,0x22,0x3B,0xE8,0x8A};
336 {0x6D,0x66,0x92,0xE2,0x02,0x9C,0x8D,0x44,0xAA,0x8D,0x78,0x1A,0x93,0xFD,0xC3,0x95};
338 {0x1C,0xD4,0x7B,0x10,0xDA,0xA6,0x91,0x46,0x83,0x69,0x11,0xB2,0xCD,0xAA,0x28,0x8E};
340 {0xE6,0xA2,0xB4,0x3A,0x47,0x42,0x34,0x4B,0x89,0x6C,0x30,0xAF,0xA5,0xD2,0x1C,0x24};
342 {0xD9,0x79,0xE7,0xEf,0xF0,0x97,0x86,0x47,0x80,0x0D,0x95,0xCF,0x50,0x5D,0xDC,0x66};
344 {0xC4,0xE1,0xD4,0x4B,0xA1,0x90,0x09,0x41,0x82,0x36,0x27,0xF0,0x0E,0x7D,0xCC,0x5B};
346 {0x68,0xAB,0xF1,0xCA,0x53,0xE1,0x41,0x4D,0xA6,0xB3,0xA7,0xC9,0x98,0xDB,0x75,0xEE};
348 {0x50,0xD9,0x99,0x95,0x33,0x5F,0x17,0x46,0xAF,0x7C,0x1E,0x54,0xB5,0x10,0xDA,0xA3};
350 {0xBE,0xBF,0x1C,0x50,0x49,0xB8,0xCE,0x42,0x9B,0xE9,0x3D,0xB8,0x69,0xFB,0x82,0xB3};
356 {0x81,0xEB,0x36,0xE4,0x4F,0x52,0xCE,0x11,0x9F,0x53,0x00,0x20,0xAF,0x0B,0xA7,0x70};
358 {0x6C,0x17,0x5F,0x45,0x06,0x4B,0xCE,0x47,0x9A,0xEF,0x8C,0xAE,0xF7,0x3D,0xF7,0xB5};
360 {0x20,0x80,0x6D,0xE0,0x46,0xDB,0xCF,0x11,0xB4,0xD1,0x00,0x80,0x5F,0x6C,0xBB,0xEA};
362 {0x89,0x8A,0x8B,0xB8,0x49,0xB0,0x80,0x4C,0xAD,0xCF,0x58,0x98,0x98,0x5E,0x22,0xC1};
366 {0xC3,0xCB,0xFF,0x34,0xB3,0xD5,0x71,0x41,0x90,0x02,0xD4,0xC6,0x03,0x01,0x69,0x7F};
368 {0xE3,0x76,0x2A,0xF7,0x0A,0xEB,0xD0,0x11,0xAC,0xE4,0x00,0x00,0xC0,0xCC,0x16,0xBA};
370 {0xAA,0xDD,0x2A,0xF5,0xF0,0x36,0xF5,0x43,0x95,0xEA,0x6D,0x86,0x64,0x84,0x26,0x2A};
372 {0x79,0x85,0x9F,0x4A,0xF8,0x6B,0x92,0x43,0x8A,0x6D,0xD2,0xDD,0x09,0xFA,0x78,0x61};
385 time_t t = (value / 10000000LL) - 11644473600LL;
387 struct tm *tm =
gmtime_r(&t, &tmbuf);
390 if (!strftime(buf, buf_size,
"%Y-%m-%d %H:%M:%S", tm))
401 time_t t = (value / 10000000LL) - 719162LL*86400LL;
403 struct tm *tm =
gmtime_r(&t, &tmbuf);
406 if (!strftime(buf, buf_size,
"%Y-%m-%d %H:%M:%S", tm))
419 struct tm *tm=
gmtime_r(&t, &tmbuf);
422 if (!strftime(buf, buf_size,
"%Y-%m-%d %H:%M:%S", tm))
430 char description[1024];
431 unsigned int filesize;
437 if (strcmp(mime,
"image/jpeg"))
468 if (!strcmp(key,
"WM/MediaThumbType")) {
478 if (type == 0 && length == 4) {
480 }
else if (type == 1) {
486 }
else if (type == 3 && length == 4) {
487 strcpy(buf,
avio_rl32(pb) ?
"true" :
"false");
488 }
else if (type == 4 && length == 8) {
490 if (!strcmp(key,
"WM/EncodingTime") ||
491 !strcmp(key,
"WM/MediaOriginalBroadcastDateTime")) {
496 }
else if (!strcmp(key,
"WM/WMRVEncodeTime") ||
497 !strcmp(key,
"WM/WMRVEndTime")) {
502 }
else if (!strcmp(key,
"WM/WMRVExpirationDate")) {
507 }
else if (!strcmp(key,
"WM/WMRVBitrate"))
510 snprintf(buf, buf_size,
"%"PRIi64, num);
511 }
else if (type == 5 && length == 2) {
513 }
else if (type == 6 && length == 16) {
517 }
else if (type == 2 && !strcmp(key,
"WM/Picture")) {
523 av_log(s,
AV_LOG_WARNING,
"unsupported metadata entry; key:%s, type:%d, length:0x%x\n", key, type, length);
548 "remaining metadata entries ignored\n",
FF_ARG_GUID(guid));
552 get_tag(s, pb, key, type, length);
661 st =
parse_media_type(s, st, sid, mediatype, actual_subtype, actual_formattype, size - 32);
789 int len, sid, consumed;
817 consumed += 92 +
size;
831 consumed += 76 +
size;
840 if (stream_index >= 0) {
854 buf_size =
FFMIN(len - consumed,
sizeof(buf));
856 consumed += buf_size;
861 if (stream_index >= 0) {
868 else if (audio_type == 3)
874 if (stream_index >= 0) {
877 av_log(s,
AV_LOG_WARNING,
"DVB scrambled stream detected (st:%d), decoding will likely fail\n", stream_index);
882 if (stream_index >= 0) {
890 if (!strcmp(language,
"nar") || !strcmp(language,
"NAR"))
897 if (stream_index >= 0) {
923 }
else if (!
ff_guidcmp(g, (
const ff_asf_guid){0x83,0x95,0x74,0x40,0x9D,0x6B,0xEC,0x4E,0xB4,0x3C,0x67,0xA1,0x80,0x1E,0x1A,0x9B})) {
925 if (stream_index >= 0)
926 av_log(s,
AV_LOG_WARNING,
"encrypted stream detected (st:%d), decoding will likely fail\n", stream_index);
928 !
ff_guidcmp(g, (
const ff_asf_guid){0x14,0x56,0x1A,0x0C,0xCD,0x30,0x40,0x4F,0xBC,0xBF,0xD0,0x3E,0x52,0x30,0x62,0x07}) ||
929 !
ff_guidcmp(g, (
const ff_asf_guid){0x79,0x66,0xB5,0xE0,0xB9,0x12,0xCC,0x43,0xB7,0xDF,0x57,0x8C,0xAA,0x5A,0x7B,0x63}) ||
930 !
ff_guidcmp(g, (
const ff_asf_guid){0x02,0xAE,0x5B,0x2F,0x8F,0x7B,0x60,0x4F,0x82,0xD6,0xE4,0xEA,0x2F,0x1F,0x4C,0x99}) ||
932 !
ff_guidcmp(g, (
const ff_asf_guid){0xCC,0x32,0x64,0xDD,0x29,0xE2,0xDB,0x40,0x80,0xF6,0xD2,0x63,0x28,0xD2,0x76,0x1F}) ||
933 !
ff_guidcmp(g, (
const ff_asf_guid){0xE5,0xC5,0x67,0x90,0x5C,0x4C,0x05,0x42,0x86,0xC8,0x7A,0xFE,0x20,0xFE,0x1E,0xFA}) ||
934 !
ff_guidcmp(g, (
const ff_asf_guid){0x80,0x6D,0xF3,0x41,0x32,0x41,0xC2,0x4C,0xB1,0x21,0x01,0xA4,0x32,0x19,0xD8,0x1B}) ||
935 !
ff_guidcmp(g, (
const ff_asf_guid){0x51,0x1D,0xAB,0x72,0xD2,0x87,0x9B,0x48,0xBA,0x11,0x0E,0x08,0xDC,0x21,0x02,0x43}) ||
936 !
ff_guidcmp(g, (
const ff_asf_guid){0x65,0x8F,0xFC,0x47,0xBB,0xE2,0x34,0x46,0x9C,0xEF,0xFD,0xBF,0xE6,0x26,0x1D,0x5C}) ||
937 !
ff_guidcmp(g, (
const ff_asf_guid){0xCB,0xC5,0x68,0x80,0x04,0x3C,0x2B,0x49,0xB4,0x7D,0x03,0x08,0x82,0x0D,0xCE,0x51}) ||
938 !
ff_guidcmp(g, (
const ff_asf_guid){0xBC,0x2E,0xAF,0x82,0xA6,0x30,0x64,0x42,0xA8,0x0B,0xAD,0x2E,0x13,0x72,0xAC,0x60}) ||
939 !
ff_guidcmp(g, (
const ff_asf_guid){0x1E,0xBE,0xC3,0xC5,0x43,0x92,0xDC,0x11,0x85,0xE5,0x00,0x12,0x3F,0x6F,0x73,0xB9}) ||
940 !
ff_guidcmp(g, (
const ff_asf_guid){0x3B,0x86,0xA2,0xB1,0xEB,0x1E,0xC3,0x44,0x8C,0x88,0x1C,0xA3,0xFF,0xE3,0xE7,0x6A}) ||
941 !
ff_guidcmp(g, (
const ff_asf_guid){0x4E,0x7F,0x4C,0x5B,0xC4,0xD0,0x38,0x4B,0xA8,0x3E,0x21,0x7F,0x7B,0xBF,0x52,0xE7}) ||
942 !
ff_guidcmp(g, (
const ff_asf_guid){0x63,0x36,0xEB,0xFE,0xA1,0x7E,0xD9,0x11,0x83,0x08,0x00,0x07,0xE9,0x5E,0xAD,0x8D}) ||
943 !
ff_guidcmp(g, (
const ff_asf_guid){0x70,0xE9,0xF1,0xF8,0x89,0xA4,0x4C,0x4D,0x83,0x73,0xB8,0x12,0xE0,0xD5,0xF8,0x1E}) ||
947 !
ff_guidcmp(g, (
const ff_asf_guid){0xF7,0x10,0x02,0xB9,0xEE,0x7C,0xED,0x4E,0xBD,0x7F,0x05,0x40,0x35,0x86,0x18,0xA1})) {
960 int root_sector, root_size;
963 int64_t timeline_pos;
973 if (root_size >
sizeof(root)) {
1030 uint64_t last_position = 0;
1034 while (e <= e_end && frame_nb > e->
size) {
1035 e->
pos = last_position;
1040 last_position = position;
1042 e_end->
pos = last_position;
1058 int stream_index,
len, ret;
1061 if (stream_index < 0)
1062 return stream_index;
1074 int64_t ts,
int flags)
1079 int64_t ts_relative;
1089 ts_relative -= wtv->
epoch;
const uint8_t ff_table_0_entries_time_le16[40]
static int recover(WtvContext *wtv, uint64_t broken_pos)
Try to seek over a broken chunk.
const ff_asf_guid ff_metadata_guid
static const ff_asf_guid mediasubtype_mpeg2_sections
const ff_asf_guid ff_SBE2_STREAM_DESC_EVENT
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
int64_t avio_size(AVIOContext *s)
Get the filesize.
#define WTV_BIGSECTOR_BITS
static const ff_asf_guid EVENTID_CSDescriptorSpanningEvent
int64_t pts
pts for next data chunk
static int read_ints(AVIOContext *pb, uint32_t *data, int count)
read non-zero integers (le32) from input stream
ptrdiff_t const GLvoid * data
#define AV_LOG_WARNING
Something somehow does not look correct.
static const ff_asf_guid mediatype_mstvcaption
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
int sector_bits
sector shift bits; used to convert sector number into pb_filesystem offset
int index
stream index in AVFormatContext
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
unsigned char * buffer
Start of the buffer.
enum AVMediaType codec_type
static int parse_videoinfoheader2(AVFormatContext *s, AVStream *st)
parse VIDEOINFOHEADER2 structure
const ff_asf_guid ff_mediatype_video
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
void * opaque
A private pointer, passed to the read/write/seek/...
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
#define AV_CH_LAYOUT_STEREO
int ctx_flags
Flags signalling stream properties.
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_RL16
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.
const ff_asf_guid ff_format_waveformatex
const AVCodecGuid ff_codec_wav_guids[]
static const ff_asf_guid mediatype_mpeg2_sections
static int read_probe(AVProbeData *p)
const ff_asf_guid ff_data_guid
static AVIOContext * wtvfile_open_sector(int first_sector, uint64_t length, int depth, AVFormatContext *s)
Open file.
static av_always_inline double av_int2double(uint64_t i)
Reinterpret a 64-bit integer as a double.
static int read_packet(AVFormatContext *s, AVPacket *pkt)
#define FF_MEDIASUBTYPE_BASE_GUID
static int read_header(AVFormatContext *s)
enum AVStreamParseType need_parsing
int id
Format-specific stream ID.
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
const ff_asf_guid ff_mediatype_audio
AVStream ** streams
A list of all streams in the file.
const ff_asf_guid ff_mediasubtype_cpfilters_processed
#define AVERROR_EOF
End of file.
static void get_tag(AVFormatContext *s, AVIOContext *pb, const char *key, int type, int length)
static int oledate_to_iso8601(char *buf, int buf_size, int64_t value)
Convert OLE DATE to ISO-8601 string.
static int64_t seek_by_sector(AVIOContext *pb, int64_t sector, int64_t offset)
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
const ff_asf_guid ff_sync_guid
uint64_t channel_layout
Audio only.
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int size, int big_endian)
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
static int read_close(AVFormatContext *s)
const uint8_t ff_table_0_entries_legacy_attrib_le16[58]
AVIOContext * avio_alloc_context(unsigned char *buffer, int buffer_size, int write_flag, void *opaque, int(*read_packet)(void *opaque, uint8_t *buf, int buf_size), int(*write_packet)(void *opaque, uint8_t *buf, int buf_size), int64_t(*seek)(void *opaque, int64_t offset, int whence))
Allocate and initialize an AVIOContext for buffered I/O.
int ff_get_bmp_header(AVIOContext *pb, AVStream *st, unsigned *esize)
Read BITMAPINFOHEADER structure and set AVStream codec width, height and bits_per_encoded_sample fiel...
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
AVDictionary * metadata
Metadata that applies to the whole file.
static AVStream * new_stream(AVFormatContext *s, AVStream *st, int sid, int codec_type)
Initialise stream.
AVInputFormat ff_wtv_demuxer
AVIOContext * pb_filesystem
file system (AVFormatContext->pb)
unsigned int avio_rl32(AVIOContext *s)
int64_t timestamp
Timestamp in AVStream.time_base units, preferably the time from which on correctly decoded frames are...
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
preferred ID for decoding MPEG audio layer 1, 2 or 3
static void get_attachment(AVFormatContext *s, AVIOContext *pb, int length)
enum AVMediaType codec_type
General type of the encoded data.
int ff_get_guid(AVIOContext *s, ff_asf_guid *g)
static const uint8_t offset[127][2]
const uint8_t ff_timeline_table_0_entries_Events_le16[62]
static struct tm * gmtime_r(const time_t *clock, struct tm *result)
int flags
A combination of AV_PKT_FLAG values.
int extradata_size
Size of the extradata content in bytes.
int avio_r8(AVIOContext *s)
AVIOContext * pb
timeline file
#define wtvfile_open(s, buf, buf_size, filename)
const ff_asf_guid ff_format_cpfilters_processed
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
static int filetime_to_iso8601(char *buf, int buf_size, int64_t value)
Convert win32 FILETIME to ISO-8601 string.
audio channel layout utility functions
static const ff_asf_guid EVENTID_DVBScramblingControlSpanningEvent
const AVCodecTag ff_codec_bmp_tags[]
static const ff_asf_guid mediatype_mpeg2_pes
GLsizei GLboolean const GLfloat * value
const uint8_t ff_timeline_le16[16]
static const ff_asf_guid mediasubtype_mpeg1payload
const ff_asf_guid ff_timestamp_guid
static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_ptr)
Parse WTV chunks.
static void parse_legacy_attrib(AVFormatContext *s, AVIOContext *pb)
Parse metadata entries.
static void wtvfile_close(AVIOContext *pb)
Close file opened with wtvfile_open_sector(), or wtv_open()
const ff_asf_guid ff_format_mpeg2_video
static int crazytime_to_iso8601(char *buf, int buf_size, int64_t value)
Convert crazy time (100ns since 1 Jan 0001) to ISO-8601 string.
static const ff_asf_guid EVENTID_StreamIDSpanningEvent
static const ff_asf_guid EVENTID_CtxADescriptorSpanningEvent
static const ff_asf_guid EVENTID_AudioTypeSpanningEvent
static int wtvfile_read_packet(void *opaque, uint8_t *buf, int buf_size)
const ff_asf_guid ff_DSATTRIB_TRANSPORT_PROPERTIES
static const ff_asf_guid EVENTID_AudioDescriptorSpanningEvent
AVIOContext * pb
I/O context.
static const ff_asf_guid EVENTID_SubtitleSpanningEvent
static const ff_asf_guid mediasubtype_teletext
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
const ff_asf_guid ff_index_guid
static AVStream * parse_media_type(AVFormatContext *s, AVStream *st, int sid, ff_asf_guid mediatype, ff_asf_guid subtype, ff_asf_guid formattype, uint64_t size)
parse Media Type structure and populate stream
const AVCodecGuid ff_video_guids[]
static int64_t wtvfile_seek(void *opaque, int64_t offset, int whence)
const AVMetadataConv ff_asf_metadata_conv[]
int error
contains the error code or 0 if no error happened
This structure contains the data a format has to probe a file.
unsigned int index_entries_allocated_size
static int read_seek(AVFormatContext *s, int stream_index, int64_t ts, int flags)
int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type, const uint8_t **pp, const uint8_t *desc_list_end, Mp4Descr *mp4_descr, int mp4_descr_count, int pid, MpegTSContext *ts)
Parse an MPEG-2 descriptor.
int64_t duration
Decoding: duration of the stream, in stream time base.
unsigned int avio_rl16(AVIOContext *s)
static void parse_mpeg1waveformatex(AVStream *st)
Parse MPEG1WAVEFORMATEX extradata structure.
const ff_asf_guid ff_stream2_guid
enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid)
const ff_asf_guid ff_dir_entry_guid
enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps)
int disposition
AV_DISPOSITION_* bit field.
#define AVSEEK_SIZE
ORing this as the "whence" parameter to a seek function causes it to return the filesize without seek...
static const ff_asf_guid mediasubtype_dtvccdata
const ff_asf_guid ff_format_videoinfo2
const ff_asf_guid ff_wtv_guid
int64_t last_valid_pts
latest valid pts, used for interactive seeking
uint32_t * sectors
file allocation table
static const ff_asf_guid EVENTID_LanguageSpanningEvent
static const ff_asf_guid mediasubtype_dvb_subtitle
void * priv_data
Format private data.
const ff_asf_guid ff_format_none
int bits_per_coded_sample
The number of bits per sample in the codedwords.
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
static const ff_asf_guid EVENTID_TeletextSpanningEvent
AVCodecParameters * codecpar
#define av_malloc_array(a, b)
int avio_feof(AVIOContext *s)
feof() equivalent for AVIOContext.
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
const ff_asf_guid ff_stream1_guid
int nb_sectors
number of sectors
#define AV_CH_LAYOUT_MONO
static AVIOContext * wtvfile_open2(AVFormatContext *s, const uint8_t *buf, int buf_size, const uint8_t *filename, int filename_size)
Open file using filename.
static av_always_inline int ff_guidcmp(const void *g1, const void *g2)
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_RL32
This structure stores compressed data.
uint64_t avio_rl64(AVIOContext *s)
mode
Use these values in ebur128_init (or'ed).
#define ARG_PRETTY_GUID(g)
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
AVPacket attached_pic
For streams with AV_DISPOSITION_ATTACHED_PIC disposition, this packet will contain the attached pictu...
#define AV_NOPTS_VALUE
Undefined timestamp value.
AVIndexEntry * index_entries