39 #define FLIC_FILE_MAGIC_1 0xAF11 40 #define FLIC_FILE_MAGIC_2 0xAF12 41 #define FLIC_FILE_MAGIC_3 0xAF44 43 #define FLIC_CHUNK_MAGIC_1 0xF1FA 44 #define FLIC_CHUNK_MAGIC_2 0xF5FA 45 #define FLIC_MC_SPEED 5 46 #define FLIC_DEFAULT_SPEED 5 47 #define FLIC_TFTD_CHUNK_AUDIO 0xAAAA 49 #define FLIC_TFTD_SAMPLE_RATE 22050 51 #define FLIC_HEADER_SIZE 128 52 #define FLIC_PREAMBLE_SIZE 6 102 magic_number =
AV_RL16(&header[4]);
103 speed =
AV_RL32(&header[0x10]);
122 "File with no specified width/height. Trying 640x480.\n");
208 while (!packet_read) {
#define FLIC_CHUNK_MAGIC_2
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.
void av_free_packet(AVPacket *pkt)
Free a packet.
#define AV_LOG_WARNING
Something somehow does not look correct.
int64_t pos
byte position in stream, -1 if unknown
#define FLIC_FILE_MAGIC_2
int index
stream index in AVFormatContext
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
int block_align
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs...
enum AVSampleFormat sample_fmt
audio sample format
#define FLIC_TFTD_CHUNK_AUDIO
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void av_log(void *avcl, int level, const char *fmt,...)
#define FLIC_FILE_MAGIC_3
uint64_t channel_layout
Audio channel layout.
AVCodecContext * codec
Codec context associated with this stream.
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.
int bit_rate
the average bitrate
audio channel layout utility functions
static int flic_probe(AVProbeData *p)
int width
picture width / height.
static av_always_inline int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
#define FLIC_TFTD_SAMPLE_RATE
static int read_header(FFV1Context *f)
#define AV_LOG_INFO
Standard information.
#define FLIC_FILE_MAGIC_1
enum AVMediaType codec_type
static int flic_read_header(AVFormatContext *s)
int sample_rate
samples per second
AVIOContext * pb
I/O context.
AVInputFormat ff_flic_demuxer
#define FLIC_CHUNK_MAGIC_1
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
static int read_packet(AVFormatContext *ctx, AVPacket *pkt)
#define FLIC_PREAMBLE_SIZE
This structure contains the data a format has to probe a file.
#define FLIC_DEFAULT_SPEED
int channels
number of audio channels
void * priv_data
Format private data.
#define AV_CH_LAYOUT_MONO
This structure stores compressed data.
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
static int flic_read_packet(AVFormatContext *s, AVPacket *pkt)