31 #define MAX_EXTRADATA_SIZE 1024
44 {
"smc-interval",
"StreamMuxConfig interval.",
106 int words = length >> 4;
107 int bits = length & 15;
109 for (
i = 0;
i < words;
i++)
141 if (!
ctx->channel_conf) {
168 uint8_t loas_header[] =
"\x56\xe0\x00";
184 if (side_data_size) {
190 memcpy(par->
extradata, side_data, side_data_size);
233 loas_header[1] |= (
len >> 8) & 0x1f;
234 loas_header[2] |=
len & 0xff;
262 .mime_type =
"audio/MP4A-LATM",
263 .extensions =
"latm,loas",
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Libavcodec external API header.
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
uint8_t * av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type, buffer_size_t *size)
#define flags(name, subs,...)
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
static void write_header(FFV1Context *f)
bitstream reader API header.
static void skip_bits_long(GetBitContext *s, int n)
Skips the specified number of bits.
static int init_get_bits8(GetBitContext *s, const uint8_t *buffer, int byte_size)
Initialize GetBitContext.
@ AV_PKT_DATA_NEW_EXTRADATA
The AV_PKT_DATA_NEW_EXTRADATA is used to notify the codec or the format that the extradata buffer was...
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#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
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
#define MAX_EXTRADATA_SIZE
static int latm_write_header(AVFormatContext *s)
static void latm_write_frame_header(AVFormatContext *s, PutBitContext *bs)
static const AVOption options[]
static void copy_bits(PutBitContext *pb, const uint8_t *src, int length)
static int latm_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
static const AVClass latm_muxer_class
static int latm_decode_extradata(AVFormatContext *s, uint8_t *buf, int size)
AVOutputFormat ff_latm_muxer
static int latm_write_packet(AVFormatContext *s, AVPacket *pkt)
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
int avpriv_mpeg4audio_get_config2(MPEG4AudioConfig *c, const uint8_t *buf, int size, int sync_extension, void *logctx)
Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration.
static int ff_copy_pce_data(PutBitContext *pb, GetBitContext *gb)
@ AOT_ALS
Y Audio LosslesS.
@ AOT_SBR
Y Spectral Band Replication.
static int check_bitstream(AVFormatContext *s, AVStream *st, AVPacket *pkt)
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.
static int put_bits_count(PutBitContext *s)
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
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...
This struct describes the properties of an encoded stream.
int extradata_size
Size of the extradata content in bytes.
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
This structure stores compressed data.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
uint8_t buffer[0x1fff+MAX_EXTRADATA_SIZE+1024]
static int mod(int a, int b)
Modulo operation with only positive remainders.