]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/ac3enc_float.c
Revert "build: Remove redundant config.mak includes from subdirectory Makefiles."
[ffmpeg] / libavcodec / ac3enc_float.c
index 1a145e5ab2e8d4fcadc06719146bb78fb54f38fc..9e798106f32a4cdcb7dd01504bb008339606697b 100644 (file)
  */
 
 #define CONFIG_AC3ENC_FLOAT 1
-#include "ac3enc.c"
+#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 AVClass ac3enc_class = { "AC-3 Encoder", av_default_item_name,
+                                ac3_options, LIBAVUTIL_VERSION_INT };
+#endif
+
+#include "ac3enc_template.c"
+
+
 /**
  * Finalize MDCT and free allocated memory.
  */
-static av_cold void mdct_end(AC3MDCTContext *mdct)
+av_cold void ff_ac3_float_mdct_end(AC3MDCTContext *mdct)
 {
     ff_mdct_end(&mdct->fft);
     av_freep(&mdct->window);
@@ -45,8 +56,8 @@ static av_cold void mdct_end(AC3MDCTContext *mdct)
  * Initialize MDCT tables.
  * @param nbits log2(MDCT size)
  */
-static av_cold int mdct_init(AVCodecContext *avctx, AC3MDCTContext *mdct,
-                             int nbits)
+av_cold int ff_ac3_float_mdct_init(AVCodecContext *avctx, AC3MDCTContext *mdct,
+                                   int nbits)
 {
     float *window;
     int i, n, n2;
@@ -71,44 +82,39 @@ static av_cold int mdct_init(AVCodecContext *avctx, AC3MDCTContext *mdct,
 /**
  * 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)
+void ff_ac3_float_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 to use the maximum available precision.
- */
-static int normalize_samples(AC3EncodeContext *s)
-{
-    /* Normalization is not needed for floating-point samples, so just return 0 */
-    return 0;
-}
-
-
 /**
  * Scale MDCT coefficients from float to 24-bit fixed-point.
  */
-static void scale_coefficients(AC3EncodeContext *s)
+void ff_ac3_float_scale_coefficients(AC3EncodeContext *s)
 {
-    s->ac3dsp.float_to_fixed24(s->fixed_coef_buffer, s->mdct_coef_buffer,
-                               AC3_MAX_COEFS * AC3_MAX_BLOCKS * s->channels);
+    int chan_size = AC3_MAX_COEFS * AC3_MAX_BLOCKS;
+    s->ac3dsp.float_to_fixed24(s->fixed_coef_buffer + chan_size,
+                               s->mdct_coef_buffer  + chan_size,
+                               chan_size * s->channels);
 }
 
 
+#if CONFIG_AC3_ENCODER
 AVCodec ff_ac3_float_encoder = {
     "ac3_float",
     AVMEDIA_TYPE_AUDIO,
     CODEC_ID_AC3,
     sizeof(AC3EncodeContext),
-    ac3_encode_init,
-    ac3_encode_frame,
-    ac3_encode_close,
+    ff_ac3_encode_init,
+    ff_ac3_encode_frame,
+    ff_ac3_encode_close,
     NULL,
     .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,
     .channel_layouts = ff_ac3_channel_layouts,
 };
+#endif