aptx: implement the aptX HD bluetooth codec

Changelog

@@ -11,7 +11,7 @@ version <next>:
 - TiVo ty/ty+ demuxer
 - Intel QSV-accelerated MJPEG encoding
 - PCE support for extended channel layouts in the AAC encoder
-- native aptX encoder and decoder
+- native aptX and aptX HD encoder and decoder
 - Raw aptX muxer and demuxer
 - NVIDIA NVDEC-accelerated H.264, HEVC, MPEG-1/2/4, VC1, VP8/9 hwaccel decoding
 - Intel QSV-accelerated overlay filter

configure

@@ -2461,6 +2461,8 @@ apng_encoder_deps="zlib"
 apng_encoder_select="llvidencdsp"
 aptx_decoder_select="audio_frame_queue"
 aptx_encoder_select="audio_frame_queue"
+aptx_hd_decoder_select="audio_frame_queue"
+aptx_hd_encoder_select="audio_frame_queue"
 asv1_decoder_select="blockdsp bswapdsp idctdsp"
 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
 asv2_decoder_select="blockdsp bswapdsp idctdsp"

doc/general.texi

@@ -1009,6 +1009,8 @@ following image formats are supported:
     @tab QuickTime fourcc 'alac'
 @item aptX                   @tab  X  @tab  X
     @tab Used in Bluetooth A2DP
+@item aptX HD                @tab  X  @tab  X
+    @tab Used in Bluetooth A2DP
 @item ATRAC1                 @tab     @tab  X
 @item ATRAC3                 @tab     @tab  X
 @item ATRAC3+                @tab     @tab  X

libavcodec/Makefile

@@ -190,6 +190,8 @@ OBJS-$(CONFIG_ANSI_DECODER)            += ansi.o cga_data.o
 OBJS-$(CONFIG_APE_DECODER)             += apedec.o
 OBJS-$(CONFIG_APTX_DECODER)            += aptx.o
 OBJS-$(CONFIG_APTX_ENCODER)            += aptx.o
+OBJS-$(CONFIG_APTX_HD_DECODER)         += aptx.o
+OBJS-$(CONFIG_APTX_HD_ENCODER)         += aptx.o
 OBJS-$(CONFIG_APNG_DECODER)            += png.o pngdec.o pngdsp.o
 OBJS-$(CONFIG_APNG_ENCODER)            += png.o pngenc.o
 OBJS-$(CONFIG_SSA_DECODER)             += assdec.o ass.o

libavcodec/allcodecs.c

@@ -386,6 +386,8 @@ extern AVCodec ff_amrwb_decoder;
 extern AVCodec ff_ape_decoder;
 extern AVCodec ff_aptx_encoder;
 extern AVCodec ff_aptx_decoder;
+extern AVCodec ff_aptx_hd_encoder;
+extern AVCodec ff_aptx_hd_decoder;
 extern AVCodec ff_atrac1_decoder;
 extern AVCodec ff_atrac3_decoder;
 extern AVCodec ff_atrac3al_decoder;

libavcodec/avcodec.h

@@ -634,6 +634,7 @@ enum AVCodecID {
     AV_CODEC_ID_ATRAC3PAL,
     AV_CODEC_ID_DOLBY_E,
     AV_CODEC_ID_APTX,
+    AV_CODEC_ID_APTX_HD,
 
     /* subtitle codecs */
     AV_CODEC_ID_FIRST_SUBTITLE = 0x17000,          ///< A dummy ID pointing at the start of subtitle codecs.

libavcodec/codec_desc.c

@@ -2858,6 +2858,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("aptX (Audio Processing Technology for Bluetooth)"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+    {
+        .id        = AV_CODEC_ID_APTX_HD,
+        .type      = AVMEDIA_TYPE_AUDIO,
+        .name      = "aptx_hd",
+        .long_name = NULL_IF_CONFIG_SMALL("aptX HD (Audio Processing Technology for Bluetooth)"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
 
     /* subtitle codecs */
     {