22 #include "libavutil/intreadwrite.h"
30 if ((p->
buf[0] == 0x64 && p->
buf[1] == 0xA3 && p->
buf[3] == 0x00 &&
31 p->
buf[2] >= 1 && p->
buf[2] <= 4) ||
32 (p->
buf[3] == 0x64 && p->
buf[2] == 0xA3 && p->
buf[0] == 0x00 &&
33 p->
buf[1] >= 1 && p->
buf[1] <= 3) &&
60 for (i = 0; i < 7; i++) {
61 if (magic ==
table[i].magic) {
81 if (!channels || !sample_rate)
113 .extensions =
"sf,ircam",
AVInputFormat ff_ircam_demuxer
const AVCodecTag ff_codec_ircam_be_tags[]
static struct endianess table[]
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...
int block_align
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs...
static int ircam_read_header(AVFormatContext *s)
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
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.
const AVCodecTag ff_codec_ircam_le_tags[]
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static av_always_inline float av_int2float(uint32_t i)
Reinterpret a 32-bit integer as a float.
static int ircam_probe(AVProbeData *p)
enum AVMediaType codec_type
int sample_rate
samples per second
AVIOContext * pb
I/O context.
This structure contains the data a format has to probe a file.
#define AVERROR_INVALIDDATA
int channels
number of audio channels