56 if (len <= 0 || len >= 64 ||
57 avio_read(pb, mimetype,
FFMIN(len,
sizeof(mimetype) - 1)) != len) {
68 if (!strncmp(mime->
str, mimetype,
sizeof(mimetype))) {
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
ptrdiff_t const GLvoid * data
int index
stream index in AVFormatContext
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
#define FF_ARRAY_ELEMS(a)
#define av_assert0(cond)
assert() equivalent, that is always enabled.
unsigned int avio_rb32(AVIOContext *s)
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
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.
AVCodecID
Identify the syntax and semantics of the bitstream.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define AV_EF_EXPLODE
abort decoding on minor error detection
AVBufferRef * buf
A reference to the reference-counted buffer where the packet data is stored.
simple assert() macros that are a bit more flexible than ISO C assert().
const char * ff_id3v2_picture_types[21]
int flags
A combination of AV_PKT_FLAG values.
AVCodecContext * codec
Codec context associated with this stream.
const CodecMime ff_id3v2_mime_tags[]
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
#define AV_DICT_DONT_STRDUP_VAL
Take ownership of a value that's been allocated with av_malloc() or another memory allocation functio...
int width
picture width / height.
int ff_flac_parse_picture(AVFormatContext *s, uint8_t *buf, int buf_size)
enum AVMediaType codec_type
AVBufferRef * av_buffer_alloc(int size)
Allocate an AVBuffer of the given size using av_malloc().
uint8_t * data
The data buffer.
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
BYTE int const BYTE int int int height
#define RETURN_ERROR(code)
A reference to a data buffer.
int error_recognition
Error recognition; higher values will detect more errors but may misdetect some more or less valid pa...
int disposition
AV_DISPOSITION_* bit field.
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
AVPacket attached_pic
For streams with AV_DISPOSITION_ATTACHED_PIC disposition, this packet will contain the attached pictu...