29 #include "libavutil/channel_layout.h"
30 #include "libavutil/intreadwrite.h"
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)
AVCodecContext * codec
Codec context associated with this stream.
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level...
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
#define AV_CH_LAYOUT_STEREO
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
#define AVERROR_EOF
End of file.
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void * priv_data
Format private data.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
unsigned audio_chunk_size
int flags
A combination of AV_PKT_FLAG values.
uint64_t channel_layout
Audio channel layout.
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
unsigned video_chunk_size
int width
picture width / height.
static int read_header(FFV1Context *f)
8 bit with PIX_FMT_RGB32 palette
enum AVMediaType codec_type
int sample_rate
samples per second
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 eof_reached
true if eof reached
int channels
number of audio channels
#define AV_CH_LAYOUT_MONO
This structure stores compressed data.