48 unsigned i,
frames, checked = 0;
59 if (p->
buf[13 +
i * 16])
128 case MKTAG(0x89,
'P',
'N',
'G'):
185 bytestream_put_byte(&buf,
'B');
186 bytestream_put_byte(&buf,
'M');
187 bytestream_put_le32(&buf,
pkt->
size);
188 bytestream_put_le16(&buf, 0);
189 bytestream_put_le16(&buf, 0);
190 bytestream_put_le32(&buf, 0);
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
unsigned int avio_rl16(AVIOContext *s)
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
unsigned int avio_rl32(AVIOContext *s)
int avio_r8(AVIOContext *s)
#define flags(name, subs,...)
#define MKTAG(a, b, c, d)
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define AVERROR_EOF
End of file.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
AVInputFormat ff_ico_demuxer
static int ico_read_close(AVFormatContext *s)
static int read_packet(AVFormatContext *s, AVPacket *pkt)
static int read_header(AVFormatContext *s)
static int probe(const AVProbeData *p)
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static av_cold int read_close(AVFormatContext *ctx)
int bits_per_coded_sample
The number of bits per sample in the codedwords.
enum AVMediaType codec_type
General type of the encoded data.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
This structure stores compressed data.
int flags
A combination of AV_PKT_FLAG values.
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.
#define av_malloc_array(a, b)
#define avpriv_request_sample(...)
static const uint8_t offset[127][2]