84 .extensions =
"tco,rco,g723_1",
int64_t pos
byte position in stream, -1 if unknown
Macro definitions for various function/variable attributes.
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
#define AVERROR_EOF
End of file.
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
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 NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
uint64_t channel_layout
Audio channel layout.
int avio_r8(AVIOContext *s)
AVCodecContext * codec
Codec context associated with this stream.
audio channel layout utility functions
enum AVMediaType codec_type
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_WB16 unsigned int_TMPL byte
int sample_rate
samples per second
AVIOContext * pb
I/O context.
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
int64_t start_time
Decoding: pts of the first frame of the stream in presentation order, in stream time base...
int channels
number of audio channels
#define AV_CH_LAYOUT_MONO
This structure stores compressed data.