lavc/aac: fix shared build failures with MSVC.

This is a workaround until a better solution is found.

libavcodec/aacenc.c

@@ -811,6 +811,13 @@ static const AVClass aacenc_class = {
     LIBAVUTIL_VERSION_INT,
 };
 
+/* duplicated from avpriv_mpeg4audio_sample_rates to avoid shared build
+ * failures */
+static const int mpeg4audio_sample_rates[16] = {
+    96000, 88200, 64000, 48000, 44100, 32000,
+    24000, 22050, 16000, 12000, 11025, 8000, 7350
+};
+
 AVCodec ff_aac_encoder = {
     .name           = "aac",
     .type           = AVMEDIA_TYPE_AUDIO,
@@ -819,7 +826,7 @@ AVCodec ff_aac_encoder = {
     .init           = aac_encode_init,
     .encode2        = aac_encode_frame,
     .close          = aac_encode_end,
-    .supported_samplerates = avpriv_mpeg4audio_sample_rates,
+    .supported_samplerates = mpeg4audio_sample_rates,
     .capabilities   = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY |
                       CODEC_CAP_EXPERIMENTAL,
     .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLTP,

libavcodec/libvo-aacenc.c

@@ -185,6 +185,13 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     return 0;
 }
 
+/* duplicated from avpriv_mpeg4audio_sample_rates to avoid shared build
+ * failures */
+static const int mpeg4audio_sample_rates[16] = {
+    96000, 88200, 64000, 48000, 44100, 32000,
+    24000, 22050, 16000, 12000, 11025, 8000, 7350
+};
+
 AVCodec ff_libvo_aacenc_encoder = {
     .name           = "libvo_aacenc",
     .type           = AVMEDIA_TYPE_AUDIO,
@@ -193,7 +200,7 @@ AVCodec ff_libvo_aacenc_encoder = {
     .init           = aac_encode_init,
     .encode2        = aac_encode_frame,
     .close          = aac_encode_close,
-    .supported_samplerates = avpriv_mpeg4audio_sample_rates,
+    .supported_samplerates = mpeg4audio_sample_rates,
     .capabilities   = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY,
     .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
                                                      AV_SAMPLE_FMT_NONE },

libavcodec/mpeg4audio.c

@@ -52,6 +52,8 @@ static int parse_config_ALS(GetBitContext *gb, MPEG4AudioConfig *c)
     return 0;
 }
 
+/* XXX: make sure to update the copies in the different encoders if you change
+ * this table */
 const int avpriv_mpeg4audio_sample_rates[16] = {
     96000, 88200, 64000, 48000, 44100, 32000,
     24000, 22050, 16000, 12000, 11025, 8000, 7350