42 int i, cnum, h, m, s, ms, keylen = strlen(key);
45 if (keylen < 9 || sscanf(key,
"CHAPTER%03d", &cnum) != 1)
49 if (sscanf(val,
"%02d:%02d:%02d.%03d", &h, &m, &s, &ms) < 4)
53 ms + 1000 * (s + 60 * (m + 60 * h)),
56 }
else if (!strcmp(key + keylen - 4,
"NAME")) {
85 s = bytestream_get_le32(&p);
87 if (end - p - 4 < s || s < 0)
92 n = bytestream_get_le32(&p);
94 while (end - p >= 4 && n > 0) {
98 s = bytestream_get_le32(&p);
100 if (end - p < s || s < 0)
107 v = memchr(t,
'=', s);
126 for (j = 0; j < tl; j++)
139 if (!strcmp(tt,
"METADATA_BLOCK_PICTURE")) {
166 "%ti bytes of comment header remain\n", end - p);
169 "truncated comment header, %i comments not found\n", n);
203 int i, offset,
len, err;
206 len = priv->
len[0] + priv->
len[1] + priv->
len[2];
207 ptr = *buf =
av_mallocz(len + len / 255 + 64);
215 for (i = 0; i < 3; i++) {
216 memcpy(&ptr[offset], priv->
packet[i], priv->
len[i]);
217 offset += priv->
len[i];
232 for (i = 0; i < 3; i++)
253 if (os->
psize < 1 || pkt_type > 5)
258 if (priv->
packet[pkt_type >> 1])
260 if (pkt_type > 1 && !priv->
packet[0] || pkt_type > 3 && !priv->
packet[1])
263 priv->
len[pkt_type >> 1] = os->
psize;
265 if (!priv->
packet[pkt_type >> 1])
270 unsigned blocksize, bs0, bs1;
276 if (bytestream_get_le32(&p) != 0)
280 srate = bytestream_get_le32(&p);
285 blocksize = bytestream_get_byte(&p);
286 bs0 = blocksize & 15;
287 bs1 = blocksize >> 4;
291 if (bs0 < 6 || bs1 > 13)
294 if (bytestream_get_byte(&p) != 1)
307 os->
psize - 8) >= 0) {
309 unsigned new_len = 7 + 4 +
AV_RL32(priv->
packet[1] + 7) + 4 + 1;
310 if (new_len >= 16 && new_len < os->psize) {
312 priv->
packet[1][new_len - 1] = 1;
313 priv->
len[1] = new_len;
348 int first_duration = 0;
352 for (seg = 0; seg < os->
nsegs; seg++) {
362 last_pkt = next_pkt + os->
segments[seg];
404 .
magic =
"\001vorbis",
unsigned int nb_chapters
Number of chapters in AVChapter array.
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static int vorbis_header(AVFormatContext *s, int idx)
Copyright (C) 2005 Michael Ahlberg, Måns Rullgård.
int avpriv_vorbis_parse_frame(VorbisParseContext *s, const uint8_t *buf, int buf_size)
Get the duration for a Vorbis packet.
int ff_vorbis_comment(AVFormatContext *as, AVDictionary **m, const uint8_t *buf, int size)
#define AV_LOG_WARNING
Something somehow does not look correct.
static int fixup_vorbis_headers(AVFormatContext *as, struct oggvorbis_private *priv, uint8_t **buf)
void avpriv_vorbis_parse_reset(VorbisParseContext *s)
unsigned char * packet[3]
#define AV_DICT_DONT_STRDUP_KEY
Take ownership of a key that's been allocated with av_malloc() and children.
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
int id
unique ID to identify the chapter
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
AVStream ** streams
A list of all streams in the file.
int av_reallocp(void *ptr, size_t size)
Allocate or reallocate a block of memory.
bitstream reader API header.
static void vorbis_cleanup(AVFormatContext *s, int idx)
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
void av_log(void *avcl, int level, const char *fmt,...)
AVCodecContext * codec
Codec context associated with this stream.
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
int bit_rate
the average bitrate
#define AV_DICT_DONT_STRDUP_VAL
Take ownership of a value that's been allocated with av_malloc() and chilren.
struct ogg_stream * streams
static int ogm_chapter(AVFormatContext *as, uint8_t *key, uint8_t *val)
int ff_flac_parse_picture(AVFormatContext *s, uint8_t *buf, int buf_size)
#define AV_LOG_INFO
Standard information.
enum AVMediaType codec_type
int sample_rate
samples per second
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
Encode extradata length to a buffer.
rational number numerator/denominator
int64_t duration
Decoding: duration of the stream, in stream time base.
static int av_toupper(int c)
Locale-independent conversion of ASCII characters to uppercase.
int64_t start_time
Decoding: pts of the first frame of the stream, in stream time base.
static int vorbis_packet(AVFormatContext *s, int idx)
#define AV_PKT_FLAG_CORRUPT
The packet content is corrupted.
int channels
number of audio channels
void * priv_data
Format private data.
const struct ogg_codec ff_vorbis_codec
int av_base64_decode(uint8_t *out, const char *in, int out_size)
Decode a base64-encoded string.
int avpriv_vorbis_parse_extradata(AVCodecContext *avctx, VorbisParseContext *s)
Initialize the Vorbis parser using headers in the extradata.
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
#define AV_NOPTS_VALUE
Undefined timestamp value.