build: Support executable only ldflags

[ffmpeg] / libavcodec / ac3enc.c

diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index 669be23a0555100fb4909a4cf9423f615c5705ee..5c02e7f9ded38b8a04df3274d5dadcbbd05eecb8 100644 (file)
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -26,21 +26,21 @@
  * The simplest AC-3 encoder.
  */
 
-//#define ASSERT_LEVEL 2
-
 #include <stdint.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/attributes.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/crc.h"
+#include "libavutil/internal.h"
 #include "libavutil/opt.h"
 #include "avcodec.h"
+#include "me_cmp.h"
 #include "put_bits.h"
-#include "dsputil.h"
+#include "audiodsp.h"
 #include "ac3dsp.h"
 #include "ac3.h"
-#include "audioconvert.h"
 #include "fft.h"
 #include "ac3enc.h"
 #include "eac3enc.h"
@@ -380,7 +380,7 @@ static void compute_exp_strategy(AC3EncodeContext *s)
                 exp_strategy[blk] = EXP_NEW;
                 continue;
             }
-            exp_diff = s->dsp.sad[0](NULL, exp, exp - AC3_MAX_COEFS, 16, 16);
+            exp_diff = s->mecc.sad[0](NULL, exp, exp - AC3_MAX_COEFS, 16, 16);
             exp_strategy[blk] = EXP_REUSE;
             if (ch == CPL_CH && exp_diff > (EXP_DIFF_THRESHOLD * (s->blocks[blk].end_freq[ch] - s->start_freq[ch]) / AC3_MAX_COEFS))
                 exp_strategy[blk] = EXP_NEW;
@@ -660,7 +660,7 @@ static void count_frame_bits_fixed(AC3EncodeContext *s)
      *   bit allocation parameters do not change between blocks
      *   no delta bit allocation
      *   no skipped data
-     *   no auxilliary data
+     *   no auxiliary data
      *   no E-AC-3 metadata
      */
 
@@ -755,7 +755,7 @@ static void count_frame_bits_fixed(AC3EncodeContext *s)
  * Initialize bit allocation.
  * Set default parameter codes and calculate parameter values.
  */
-static void bit_alloc_init(AC3EncodeContext *s)
+static av_cold void bit_alloc_init(AC3EncodeContext *s)
 {
     int ch;
 
@@ -2053,7 +2053,6 @@ av_cold int ff_ac3_encode_close(AVCodecContext *avctx)
 
     s->mdct_end(s);
 
-    av_freep(&avctx->coded_frame);
     return 0;
 }
 
@@ -2072,7 +2071,7 @@ static av_cold int set_channel_info(AC3EncodeContext *s, int channels,
         return AVERROR(EINVAL);
     ch_layout = *channel_layout;
     if (!ch_layout)
-        ch_layout = avcodec_guess_channel_layout(channels, CODEC_ID_AC3, NULL);
+        ch_layout = av_get_default_channel_layout(channels);
 
     s->lfe_on       = !!(ch_layout & AV_CH_LOW_FREQUENCY);
     s->channels     = channels;
@@ -2141,6 +2140,17 @@ static av_cold int validate_options(AC3EncodeContext *s)
     s->bit_alloc.sr_code  = i % 3;
     s->bitstream_id       = s->eac3 ? 16 : 8 + s->bit_alloc.sr_shift;
 
+    /* select a default bit rate if not set by the user */
+    if (!avctx->bit_rate) {
+        switch (s->fbw_channels) {
+        case 1: avctx->bit_rate =  96000; break;
+        case 2: avctx->bit_rate = 192000; break;
+        case 3: avctx->bit_rate = 320000; break;
+        case 4: avctx->bit_rate = 384000; break;
+        case 5: avctx->bit_rate = 448000; break;
+        }
+    }
+
     /* validate bit rate */
     if (s->eac3) {
         int max_br, min_br, wpf, min_br_dist, min_br_code;
@@ -2417,7 +2427,7 @@ av_cold int ff_ac3_encode_init(AVCodecContext *avctx)
 
     s->avctx = avctx;
 
-    s->eac3 = avctx->codec_id == CODEC_ID_EAC3;
+    s->eac3 = avctx->codec_id == AV_CODEC_ID_EAC3;
 
     ff_ac3_common_init();
 
@@ -2426,6 +2436,7 @@ av_cold int ff_ac3_encode_init(AVCodecContext *avctx)
         return ret;
 
     avctx->frame_size = AC3_BLOCK_SIZE * s->num_blocks;
+    avctx->delay      = AC3_BLOCK_SIZE;
 
     s->bitstream_mode = avctx->audio_service_type;
     if (s->bitstream_mode == AV_AUDIO_SERVICE_TYPE_KARAOKE)
@@ -2471,9 +2482,8 @@ av_cold int ff_ac3_encode_init(AVCodecContext *avctx)
     if (ret)
         goto init_fail;
 
-    avctx->coded_frame= avcodec_alloc_frame();
-
-    ff_dsputil_init(&s->dsp, avctx);
+    ff_audiodsp_init(&s->adsp);
+    ff_me_cmp_init(&s->mecc, avctx);
     ff_ac3dsp_init(&s->ac3dsp, avctx->flags & CODEC_FLAG_BITEXACT);
 
     dprint_options(s);