*/
#define CONFIG_AC3ENC_FLOAT 1
+#include "internal.h"
+#include "audiodsp.h"
#include "ac3enc.h"
#include "eac3enc.h"
#include "kbdwin.h"
-#if CONFIG_AC3_ENCODER
#define AC3ENC_TYPE AC3ENC_TYPE_AC3
#include "ac3enc_opts_template.c"
static const AVClass ac3enc_class = { "AC-3 Encoder", av_default_item_name,
ac3_options, LIBAVUTIL_VERSION_INT };
-#endif
#include "ac3enc_template.c"
}
-/*
- * Apply KBD window to input samples prior to MDCT.
- */
-static void apply_window(DSPContext *dsp, float *output, const float *input,
- const float *window, unsigned int len)
-{
- dsp->vector_fmul(output, input, window, len);
-}
-
-
/*
* Normalize the input samples.
* Not needed for the floating-point encoder.
/*
* Clip MDCT coefficients to allowable range.
*/
-static void clip_coefficients(DSPContext *dsp, float *coef, unsigned int len)
+static void clip_coefficients(AudioDSPContext *adsp, float *coef,
+ unsigned int len)
{
- dsp->vector_clipf(coef, coef, COEF_MIN, COEF_MAX, len);
+ adsp->vector_clipf(coef, coef, COEF_MIN, COEF_MAX, len);
}
return FFMIN(coord, COEF_MAX);
}
+av_cold int ff_ac3_float_encode_init(AVCodecContext *avctx)
+{
+ AC3EncodeContext *s = avctx->priv_data;
+ avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+ return ff_ac3_encode_init(avctx);
+}
-#if CONFIG_AC3_ENCODER
AVCodec ff_ac3_encoder = {
- .name = "ac3",
- .type = AVMEDIA_TYPE_AUDIO,
- .id = CODEC_ID_AC3,
- .priv_data_size = sizeof(AC3EncodeContext),
- .init = ff_ac3_encode_init,
- .encode = ff_ac3_float_encode_frame,
- .close = ff_ac3_encode_close,
- .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_FLT,AV_SAMPLE_FMT_NONE},
- .long_name = NULL_IF_CONFIG_SMALL("ATSC A/52A (AC-3)"),
- .priv_class = &ac3enc_class,
+ .name = "ac3",
+ .long_name = NULL_IF_CONFIG_SMALL("ATSC A/52A (AC-3)"),
+ .type = AVMEDIA_TYPE_AUDIO,
+ .id = AV_CODEC_ID_AC3,
+ .priv_data_size = sizeof(AC3EncodeContext),
+ .init = ff_ac3_float_encode_init,
+ .encode2 = ff_ac3_float_encode_frame,
+ .close = ff_ac3_encode_close,
+ .sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLTP,
+ AV_SAMPLE_FMT_NONE },
+ .priv_class = &ac3enc_class,
.channel_layouts = ff_ac3_channel_layouts,
.defaults = ac3_defaults,
};
-#endif