27 #define AES3_HEADER_LEN 4
39 "Encoding %d channel(s) is not allowed. Only 2, 4, 6 and 8 channels are supported.\n",
94 const uint32_t *samples = (uint32_t *)frame->
data[0];
99 for (channels = 0; channels < avctx->
channels; channels += 2) {
100 o[0] =
ff_reverse[(samples[0] & 0x0000FF00) >> 8];
101 o[1] =
ff_reverse[(samples[0] & 0x00FF0000) >> 16];
102 o[2] =
ff_reverse[(samples[0] & 0xFF000000) >> 24];
103 o[3] =
ff_reverse[(samples[1] & 0x00000F00) >> 4] | vucf;
104 o[4] =
ff_reverse[(samples[1] & 0x000FF000) >> 12];
105 o[5] =
ff_reverse[(samples[1] & 0x0FF00000) >> 20];
106 o[6] =
ff_reverse[(samples[1] & 0xF0000000) >> 28];
116 const uint32_t *samples = (uint32_t *)frame->
data[0];
121 for (channels = 0; channels < avctx->
channels; channels += 2) {
122 o[0] =
ff_reverse[ (samples[0] & 0x000FF000) >> 12];
123 o[1] =
ff_reverse[ (samples[0] & 0x0FF00000) >> 20];
124 o[2] =
ff_reverse[((samples[0] & 0xF0000000) >> 28) | vucf];
125 o[3] =
ff_reverse[ (samples[1] & 0x000FF000) >> 12];
126 o[4] =
ff_reverse[ (samples[1] & 0x0FF00000) >> 20];
127 o[5] =
ff_reverse[ (samples[1] & 0xF0000000) >> 28];
137 const uint16_t *samples = (uint16_t *)frame->
data[0];
142 for (channels = 0; channels < avctx->
channels; channels += 2) {
144 o[1] =
ff_reverse[(samples[0] & 0xFF00) >> 8];
145 o[2] =
ff_reverse[(samples[1] & 0x0F) << 4] | vucf;
146 o[3] =
ff_reverse[(samples[1] & 0x0FF0) >> 4];
147 o[4] =
ff_reverse[(samples[1] & 0xF000) >> 12];
176 .supported_samplerates = (
const int[]) { 48000, 0 },
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size)
Check AVPacket size and/or allocate data.
This structure describes decoded (raw) audio or video data.
#define CODEC_CAP_VARIABLE_FRAME_SIZE
Audio encoder supports receiving a different number of samples in each call.
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
#define AV_LOG_WARNING
Something somehow does not look correct.
static av_cold int init(AVCodecContext *avctx)
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 bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
enum AVSampleFormat sample_fmt
audio sample format
const char * name
Name of the codec implementation.
static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
#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. ...
Libavcodec external API header.
int bit_rate
the average bitrate
int frame_size
Number of samples per channel in an audio frame.
AVSampleFormat
Audio Sample Formats.
main external API structure.
common internal api header.
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
#define CODEC_CAP_EXPERIMENTAL
Codec is experimental and is thus avoided in favor of non experimental encoders.
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.
int channels
number of audio channels
static enum AVSampleFormat sample_fmts[]
const uint8_t ff_reverse[256]
static av_cold int s302m_encode_init(AVCodecContext *avctx)
This structure stores compressed data.
int nb_samples
number of audio samples (per channel) described by this frame
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.