ac3enc: move ff_ac3_encode_frame() to ac3enc_template.c

[ffmpeg] / libavcodec / ac3enc_float.c

diff --git a/libavcodec/ac3enc_float.c b/libavcodec/ac3enc_float.c
index d2435dee15fa7e479690c0c03813e19c1a4ccff8..12d6b1924142bac0b5068e9d4b65c80f95fe2e04 100644 (file)
--- a/libavcodec/ac3enc_float.c
+++ b/libavcodec/ac3enc_float.c
@@ -27,14 +27,25 @@
  */
 
 #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;
@@ -79,11 +90,11 @@ static void apply_window(DSPContext *dsp, float *output, const float *input,
 
 
 /**
- * Normalize the input samples to use the maximum available precision.
+ * Normalize the input samples.
+ * Not needed for the floating-point encoder.
  */
 static int normalize_samples(AC3EncodeContext *s)
 {
-    /* Normalization is not needed for floating-point samples, so just return 0 */
     return 0;
 }
 
@@ -93,22 +104,26 @@ static int normalize_samples(AC3EncodeContext *s)
  */
 static void 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_encoder = {
     "ac3",
     AVMEDIA_TYPE_AUDIO,
     CODEC_ID_AC3,
     sizeof(AC3EncodeContext),
-    ac3_encode_init,
-    ac3_encode_frame,
-    ac3_encode_close,
+    ff_ac3_encode_init,
+    ff_ac3_float_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 = ac3_channel_layouts,
+    .channel_layouts = ff_ac3_channel_layouts,
 };
+#endif