32 if (size < 8 || p->buf_size -
i <
size)
37 case MKTAG(
'C',
'T',
'R',
'L'):
39 case MKTAG(
'S',
'N',
'D',
'S'):
58 case MKTAG(
'S',
'H',
'D',
'R'):
76 unsigned chunk, codec = 0,
size, ctrl_size = -1, found_shdr = 0;
88 case MKTAG(
'C',
'T',
'R',
'L'):
91 case MKTAG(
'S',
'N',
'D',
'S'):
110 if (ctrl_size == 20 || ctrl_size == 3 || ctrl_size == -1)
117 case MKTAG(
'S',
'H',
'D',
'R'):
136 case MKTAG(
'S',
'D',
'X',
'2'):
152 unsigned chunk,
size;
170 case MKTAG(
'S',
'N',
'D',
'S'):
static int threedostr_probe(const AVProbeData *p)
AVInputFormat ff_threedostr_demuxer
static int threedostr_read_packet(AVFormatContext *s, AVPacket *pkt)
static int threedostr_read_header(AVFormatContext *s)
int avio_feof(AVIOContext *s)
Similar to feof() but also returns nonzero on read errors.
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
unsigned int avio_rl32(AVIOContext *s)
unsigned int avio_rb32(AVIOContext *s)
#define MKTAG(a, b, c, d)
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define AVERROR_EOF
End of file.
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
enum AVMediaType codec_type
General type of the encoded data.
int block_align
Audio only.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
int sample_rate
Audio only.
This structure stores compressed data.
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
int64_t pos
byte position in stream, -1 if unknown
This structure contains the data a format has to probe a file.
int buf_size
Size of buf except extra allocated bytes.
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
int64_t duration
Decoding: duration of the stream, in stream time base.
#define avpriv_request_sample(...)