30 #define SEQ_FRAME_SIZE 6144
31 #define SEQ_FRAME_W 256
32 #define SEQ_FRAME_H 128
33 #define SEQ_NUM_FRAME_BUFFERS 30
34 #define SEQ_AUDIO_BUFFER_SIZE 882
35 #define SEQ_SAMPLE_RATE 22050
36 #define SEQ_FRAME_RATE 25
71 for (i = 0; i < 256; i++)
75 if(p->
buf[256]==0 && p->
buf[257]==0)
98 if (!seq_buffer->
data)
151 for (i = 0; i < 4; i++)
154 for (i = 0; i < 4; i++)
157 for (i = 0; i < 3; i++) {
158 if (offset_table[i]) {
159 for (e = i + 1; e < 3 && offset_table[e] == 0; e++);
162 offset_table[e] - offset_table[i]);
168 if (buffer_num[0] != 255) {
199 for (i = 1; i <= 100; i++) {
307 .
name =
"tiertexseq",
unsigned int current_audio_data_size
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static int seq_probe(AVProbeData *p)
AVInputFormat ff_tiertexseq_demuxer
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
int index
stream index in AVFormatContext
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
#define SEQ_AUDIO_BUFFER_SIZE
int block_align
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs...
unsigned int current_audio_data_offs
static int read_header(FFV1Context *f)
static av_cold int read_close(AVFormatContext *ctx)
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
unsigned int current_pal_data_size
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
static int seq_parse_frame_data(SeqDemuxContext *seq, AVIOContext *pb)
#define SEQ_NUM_FRAME_BUFFERS
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
static int seq_fill_buffer(SeqDemuxContext *seq, AVIOContext *pb, int buffer_num, unsigned int data_offs, int data_size)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
AVStream * avformat_new_stream(AVFormatContext *s, AVCodec *c)
Add a new stream to a media file.
struct SeqDemuxContext SeqDemuxContext
struct TiertexSeqFrameBuffer TiertexSeqFrameBuffer
static int seq_read_packet(AVFormatContext *s, AVPacket *pkt)
int avio_r8(AVIOContext *s)
AVCodecContext * codec
codec context
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
unsigned int current_pal_data_offs
int width
picture width / height.
unsigned char * current_video_data_ptr
static int read_probe(AVProbeData *p)
static const int offset_table[6]
TiertexSeqFrameBuffer frame_buffers[SEQ_NUM_FRAME_BUFFERS]
enum AVMediaType codec_type
int sample_rate
samples per second
static int seq_read_header(AVFormatContext *s, AVFormatParameters *ap)
static int seq_read_close(AVFormatContext *s)
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
static int read_packet(AVFormatContext *ctx, AVPacket *pkt)
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
unsigned int current_video_data_size
This structure contains the data a format has to probe a file.
unsigned int avio_rl16(AVIOContext *s)
int channels
number of audio channels
void * priv_data
Format private data.
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
static int seq_init_frame_buffers(SeqDemuxContext *seq, AVIOContext *pb)