25 #include <chromaprint.h>
27 #define CPR_VERSION_INT AV_VERSION_INT(CHROMAPRINT_VERSION_MAJOR, \
28 CHROMAPRINT_VERSION_MINOR, \
29 CHROMAPRINT_VERSION_PATCH)
42 #if CPR_VERSION_INT >= AV_VERSION_INT(1, 4, 0)
43 ChromaprintContext *
ctx;
45 ChromaprintContext
ctx;
53 chromaprint_free(cpr->
ctx);
73 #if CPR_VERSION_INT >= AV_VERSION_INT(0, 7, 0)
80 "version 0.7.0 or later.\n");
126 if (!chromaprint_finish(cpr->
ctx)) {
131 if (!chromaprint_get_raw_fingerprint(cpr->
ctx, &fp, &size)) {
142 if (!chromaprint_encode_fingerprint(fp, size, cpr->
algorithm, &enc_fp, &enc_size,
154 chromaprint_dealloc(fp);
156 chromaprint_dealloc(enc_fp);
161 #define OFFSET(x) offsetof(ChromaprintMuxContext, x)
162 #define FLAGS AV_OPT_FLAG_ENCODING_PARAM
164 {
"silence_threshold",
"threshold for detecting silence",
OFFSET(silence_threshold),
AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 32767,
FLAGS },
165 {
"algorithm",
"version of the fingerprint algorithm",
OFFSET(algorithm),
AV_OPT_TYPE_INT, { .i64 = CHROMAPRINT_ALGORITHM_DEFAULT }, CHROMAPRINT_ALGORITHM_TEST1, INT_MAX,
FLAGS },
181 .
name =
"chromaprint",
int avpriv_unlock_avformat(void)
#define LIBAVUTIL_VERSION_INT
AVOutputFormat ff_chromaprint_muxer
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
static int write_header(AVFormatContext *s)
static int write_packet(AVFormatContext *s, AVPacket *pkt)
AVStream ** streams
A list of all streams in the file.
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
int avpriv_lock_avformat(void)
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
AVIOContext * pb
I/O context.
static void cleanup(ChromaprintMuxContext *cpr)
static const AVClass chromaprint_class
Describe the class of an AVClass context structure.
static int write_trailer(AVFormatContext *s)
int sample_rate
Audio only.
common internal api header.
void * priv_data
Format private data.
FingerprintFormat fp_format
static const AVOption options[]
AVCodecParameters * codecpar
This structure stores compressed data.