26 #include <chromaprint.h>
28 #define CPR_VERSION_INT AV_VERSION_INT(CHROMAPRINT_VERSION_MAJOR, \
29 CHROMAPRINT_VERSION_MINOR, \
30 CHROMAPRINT_VERSION_PATCH)
43 #if CPR_VERSION_INT >= AV_VERSION_INT(1, 4, 0)
44 ChromaprintContext *
ctx;
46 ChromaprintContext
ctx;
54 chromaprint_free(cpr->
ctx);
74 #if CPR_VERSION_INT >= AV_VERSION_INT(0, 7, 0)
76 av_log(
s,
AV_LOG_ERROR,
"Failed to set silence threshold. Setting silence_threshold requires -algorithm 3 option.\n");
81 "version 0.7.0 or later.\n");
86 if (
s->nb_streams != 1) {
128 if (!chromaprint_finish(cpr->
ctx)) {
133 if (!chromaprint_get_raw_fingerprint(cpr->
ctx, (uint32_t **)&
fp, &
size)) {
144 if (!chromaprint_encode_fingerprint(
fp,
size, cpr->
algorithm, &enc_fp, &enc_size,
156 chromaprint_dealloc(
fp);
158 chromaprint_dealloc(enc_fp);
163 #define OFFSET(x) offsetof(ChromaprintMuxContext, x)
164 #define FLAGS AV_OPT_FLAG_ENCODING_PARAM
166 {
"silence_threshold",
"threshold for detecting silence",
OFFSET(silence_threshold),
AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 32767,
FLAGS },
167 {
"algorithm",
"version of the fingerprint algorithm",
OFFSET(algorithm),
AV_OPT_TYPE_INT, { .i64 = CHROMAPRINT_ALGORITHM_DEFAULT }, CHROMAPRINT_ALGORITHM_TEST1, INT_MAX,
FLAGS },
183 .
name =
"chromaprint",
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
AVOutputFormat ff_chromaprint_muxer
static int write_packet(AVFormatContext *s, AVPacket *pkt)
static const AVOption options[]
static const AVClass chromaprint_class
static void cleanup(ChromaprintMuxContext *cpr)
static int write_header(AVFormatContext *s)
static int write_trailer(AVFormatContext *s)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
const char * av_default_item_name(void *ptr)
Return the context name.
#define LIBAVUTIL_VERSION_INT
common internal api header.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Describe the class of an AVClass context structure.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
int sample_rate
Audio only.
This structure stores compressed data.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
FingerprintFormat fp_format