lavc: Use supported_samplerates for Dolby Digital encoders.

Fixes ticket #8518.

libavcodec/ac3enc_fixed.c

@@ -155,6 +155,7 @@ AVCodec ff_ac3_fixed_encoder = {
     .sample_fmts     = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16P,
                                                       AV_SAMPLE_FMT_NONE },
     .priv_class      = &ac3enc_class,
+    .supported_samplerates = ff_ac3_sample_rate_tab,
     .channel_layouts = ff_ac3_channel_layouts,
     .defaults        = ac3_defaults,
 };

libavcodec/ac3enc_float.c

@@ -150,6 +150,7 @@ AVCodec ff_ac3_encoder = {
     .sample_fmts     = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLTP,
                                                       AV_SAMPLE_FMT_NONE },
     .priv_class      = &ac3enc_class,
+    .supported_samplerates = ff_ac3_sample_rate_tab,
     .channel_layouts = ff_ac3_channel_layouts,
     .defaults        = ac3_defaults,
 };

libavcodec/ac3tab.c

@@ -126,7 +126,7 @@ const uint8_t ff_ac3_dec_channel_map[8][2][6] = {
 };
 
 /* possible frequencies */
-const uint16_t ff_ac3_sample_rate_tab[3] = { 48000, 44100, 32000 };
+const int ff_ac3_sample_rate_tab[3] = { 48000, 44100, 32000 };
 
 /* possible bitrates */
 const uint16_t ff_ac3_bitrate_tab[19] = {

libavcodec/ac3tab.h

@@ -33,7 +33,7 @@ extern const uint8_t  ff_ac3_channels_tab[8];
 extern av_export_avcodec const uint16_t avpriv_ac3_channel_layout_tab[8];
 extern const uint8_t  ff_ac3_enc_channel_map[8][2][6];
 extern const uint8_t  ff_ac3_dec_channel_map[8][2][6];
-extern const uint16_t ff_ac3_sample_rate_tab[3];
+extern const int      ff_ac3_sample_rate_tab[3];
 extern const uint16_t ff_ac3_bitrate_tab[19];
 extern const uint8_t  ff_ac3_rematrix_band_tab[5];
 extern const uint8_t  ff_eac3_default_cpl_band_struct[18];

libavcodec/eac3enc.c

@@ -263,6 +263,7 @@ AVCodec ff_eac3_encoder = {
     .sample_fmts     = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLTP,
                                                       AV_SAMPLE_FMT_NONE },
     .priv_class      = &eac3enc_class,
+    .supported_samplerates = ff_ac3_sample_rate_tab,
     .channel_layouts = ff_ac3_channel_layouts,
     .defaults        = ac3_defaults,
 };