#include "ac3dec.h"
#include "eac3dec.c"
#include "ac3dec.c"
Go to the source code of this file.
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static void | scale_coefs (int32_t *dst, const int32_t *src, int dynrng, int len) |
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static void | ac3_downmix_c_fixed16 (int16_t **samples, int16_t(*matrix)[2], int out_ch, int in_ch, int len) |
| Downmix samples from original signal to stereo or mono (this is for 16-bit samples and fixed point decoder - original (for 32-bit samples) is in ac3dsp.c). More...
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static void ac3_downmix_c_fixed16 |
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int16_t ** |
samples, |
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int16_t(*) |
matrix[2], |
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int |
out_ch, |
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int |
in_ch, |
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int |
len |
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Downmix samples from original signal to stereo or mono (this is for 16-bit samples and fixed point decoder - original (for 32-bit samples) is in ac3dsp.c).
Definition at line 142 of file ac3dec_fixed.c.
Referenced by decode_audio_block().
const int end_freq_inv_tab[8] |
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static |
Initial value:=
{
50529027, 44278013, 39403370, 32292987, 27356480, 23729101, 20951060, 18755316
}
Definition at line 56 of file ac3dec_fixed.c.
Referenced by decode_audio_block().
Initial value:= {
{
"drc_scale",
"percentage of dynamic range compression to apply",
OFFSET(drc_scale),
AV_OPT_TYPE_FLOAT, {.dbl = 1.0}, 0.0, 6.0,
PAR },
{
"heavy_compr",
"heavy dynamic range compression enabled",
OFFSET(heavy_compression),
AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 1,
PAR },
}
Definition at line 170 of file ac3dec_fixed.c.
Initial value:= {
.class_name = "Fixed-Point AC-3 Decoder",
}
#define LIBAVUTIL_VERSION_INT
static const AVOption options[]
Definition at line 176 of file ac3dec_fixed.c.
Initial value:= {
.name = "ac3_fixed",
}
static const AVClass ac3_decoder_class
static av_cold int init(AVCodecContext *avctx)
static av_cold int ac3_decode_end(AVCodecContext *avctx)
Uninitialize the AC-3 decoder.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static int ac3_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
Decode a single AC-3 frame.
AVSampleFormat
Audio sample formats.
static int decode(AVCodecContext *avctx, void *data, int *got_sub, AVPacket *avpkt)
static av_cold int ac3_decode_init(AVCodecContext *avctx)
AVCodec initialization.
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition at line 183 of file ac3dec_fixed.c.