39 #define TMV_TAG MKTAG('T', 'M', 'A', 'V') 48 #define TMV_HEADER_SIZE 12 50 #define PROBE_MIN_SAMPLE_RATE 5000 51 #define PROBE_MAX_FPS 120 52 #define PROBE_MIN_AUDIO_SIZE (PROBE_MIN_SAMPLE_RATE / PROBE_MAX_FPS) 63 ((p->
buf[9] == 40 && p->
buf[10] == 25) ? 1 : 4);
73 unsigned comp_method, char_cols, char_rows, features;
173 int64_t timestamp,
int flags)
static int read_seek(AVFormatContext *ctx, int stream_index, int64_t timestamp, int flags)
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
#define AV_CH_LAYOUT_STEREO
8 bits with AV_PIX_FMT_RGB32 palette
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
#define AVERROR_EOF
End of file.
uint64_t channel_layout
Audio only.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
unsigned int avio_rl32(AVIOContext *s)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
unsigned audio_chunk_size
enum AVMediaType codec_type
General type of the encoded data.
int flags
A combination of AV_PKT_FLAG values.
int avio_r8(AVIOContext *s)
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
int bit_rate
The average bitrate of the encoded data (in bits per second).
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
audio channel layout utility functions
unsigned video_chunk_size
static av_always_inline int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
static int read_header(FFV1Context *f)
AVIOContext * pb
I/O context.
static int read_packet(AVFormatContext *ctx, AVPacket *pkt)
rational number numerator/denominator
This structure contains the data a format has to probe a file.
int sample_rate
Audio only.
unsigned int avio_rl16(AVIOContext *s)
int eof_reached
true if eof reached
void * priv_data
Format private data.
int bits_per_coded_sample
AVCodecParameters * codecpar
#define AV_CH_LAYOUT_MONO
This structure stores compressed data.