aes67-daemon/3rdparty/patches/ravenna-alsa-lkm-add-codec-am824.patch

164 lines
7.1 KiB
Diff

diff --git a/driver/MTConvert.c b/driver/MTConvert.c
index c94bc03..75063a1 100644
--- a/driver/MTConvert.c
+++ b/driver/MTConvert.c
@@ -2097,6 +2097,95 @@ void MTConvertBigEndianInt24ToMappedInt32DeInterleave( void* input_buffer,
}*/
+void MTConvertMappedInt32ToBigEndianInt32Interleave(void** input_buffer,
+ const uint32_t offset_input_buf,
+ void* output_buffer,
+ const uint32_t nb_channels,
+ const uint32_t nb_samples_in)
+{
+
+ uint32_t i, ch;
+ uint8_t* out = (uint8_t*)output_buffer;
+ const unsigned int stride_in = 4;
+ unsigned int in_pos = offset_input_buf * stride_in;
+ for(i = offset_input_buf; i < offset_input_buf + nb_samples_in; ++i)
+ {
+ if(Arch_is_big_endian())
+ {
+ for(ch = 0; ch < nb_channels; ++ch)
+ {
+ const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
+ out[0] = in[0];
+ out[1] = in[1];
+ out[2] = in[2];
+ out[3] = in[3];
+ out += 4;
+ }
+ }
+ else
+ {
+ for(ch = 0; ch < nb_channels; ++ch)
+ {
+ const uint8_t* in = (uint8_t*)input_buffer[ch] + in_pos;
+ out[0] = in[3];
+ out[1] = in[2];
+ out[2] = in[1];
+ out[3] = in[0];
+ out += 4;
+ }
+ }
+ in_pos += stride_in;
+ }
+}
+
+
+
+///////////////////////////////////////////////////////////////////////////////
+// Convert from an interleave buffer to N non-interleave buffers
+// i.e. [A0.B0.A1.B1...A(dwNbOfSamplesByChannels-1).B(dwNbOfSamplesByChannels-1)] -> [A0..A(dwNbOfSamplesByChannels-1)][B0..B(dwNbOfSamplesByChannels-1)]
+void MTConvertBigEndianInt32ToMappedInt32DeInterleave( void* input_buffer,
+ void** output_buffer,
+ uint32_t offset_output_buf,
+ uint32_t nb_channels,
+ uint32_t nb_samples)
+{
+ uint32_t i, ch;
+ const unsigned int stride_in = 4 * nb_channels, stride_out = 4;
+ const unsigned int out_pos = offset_output_buf * stride_out;
+ for(ch = 0; ch < nb_channels; ++ch)
+ {
+ uint8_t* in = (uint8_t*)input_buffer + 4 * ch;
+ uint8_t* out = (uint8_t*)output_buffer[ch] + out_pos;
+
+ if(Arch_is_big_endian())
+ {
+ for(i = 0; i < nb_samples; ++i)
+ {
+ out[0] = in[0];
+ out[1] = in[1];
+ out[2] = in[2];
+ out[3] = in[3];
+
+ in += stride_in;
+ out += stride_out;
+ }
+ }
+ else
+ {
+ for(i = 0; i < nb_samples; ++i)
+ {
+ out[0] = in[3];
+ out[1] = in[2];
+ out[2] = in[1];
+ out[3] = in[0];
+
+ in += stride_in;
+ out += stride_out;
+ }
+ }
+ }
+}
+
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
diff --git a/driver/MTConvert.h b/driver/MTConvert.h
index 54bc90e..483f1c6 100644
--- a/driver/MTConvert.h
+++ b/driver/MTConvert.h
@@ -121,6 +121,8 @@ void MTConvertMappedInt24ToBigEndianInt24Interleave(void** ppi24Uninterleave, co
void MTConvertBigEndianInt24ToMappedInt24DeInterleave(void* pbyBigEndianInterleave, void** ppi24Uninterleave, uint32_t dwOffsetInUninterleaveBuffer, uint32_t dwNbOfChannels, uint32_t dwNbOfSamplesByChannels);
void MTConvertMappedInt32ToBigEndianInt24Interleave(void** ppi32Uninterleave, const uint32_t dwOffsetInUninterleaveBuffer, void* pbyBigEndianInterleave, const uint32_t dwNbOfChannels, const uint32_t dwNbOfSamplesByChannels);
void MTConvertBigEndianInt24ToMappedInt32DeInterleave(void* pbyBigEndianInterleave, void** ppi32Uninterleave, uint32_t dwOffsetInUninterleaveBuffer, uint32_t dwNbOfChannels, uint32_t dwNbOfSamplesByChannels);
+void MTConvertMappedInt32ToBigEndianInt32Interleave(void** ppi32Uninterleave, const uint32_t dwOffsetInUninterleaveBuffer, void* pbyBigEndianInterleave, const uint32_t dwNbOfChannels, const uint32_t dwNbOfSamplesByChannels);
+void MTConvertBigEndianInt32ToMappedInt32DeInterleave(void* pbyBigEndianInterleave, void** ppi32Uninterleave, uint32_t dwOffsetInUninterleaveBuffer, uint32_t dwNbOfChannels, uint32_t dwNbOfSamplesByChannels);
// DSD
void MTConvertMappedFloatToBigEndianDSD64Interleave(void** ppfUninterleave, const uint32_t dwOffsetInUninterleaveBuffer, void* pvBigEndianInterleave, const uint32_t dwNbOfChannels, const uint32_t dwNbOfSamplesByChannels);
diff --git a/driver/RTP_audio_stream.c b/driver/RTP_audio_stream.c
index 5a160e4..403a51a 100644
--- a/driver/RTP_audio_stream.c
+++ b/driver/RTP_audio_stream.c
@@ -170,6 +171,10 @@ int Create(TRTP_audio_stream* self, TRTP_stream_info* pRTP_stream_info, rtp_audi
{
self->m_pfnMTConvertMappedToInterleave = &MTConvertMappedInt32ToBigEndianInt24Interleave;
}
+ else if(strcmp(pRTP_stream_info->m_cCodec, "AM824") == 0)
+ {
+ self->m_pfnMTConvertMappedToInterleave = &MTConvertMappedInt32ToBigEndianInt32Interleave;
+ }
else if(strcmp(pRTP_stream_info->m_cCodec, "DSD64_32") == 0 || strcmp(pRTP_stream_info->m_cCodec, "DSD128_32") == 0 || strcmp(pRTP_stream_info->m_cCodec, "DSD256") == 0)
{
self->m_pfnMTConvertMappedToInterleave = &MTConvertMappedFloatToBigEndianDSD256Interleave;
@@ -300,6 +305,10 @@ int Create(TRTP_audio_stream* self, TRTP_stream_info* pRTP_stream_info, rtp_audi
{
self->m_pfnMTConvertInterleaveToMapped = &MTConvertBigEndianInt24ToMappedInt32DeInterleave;
}
+ else if(strcmp(pRTP_stream_info->m_cCodec, "AM824") == 0)
+ {
+ self->m_pfnMTConvertInterleaveToMapped = &MTConvertBigEndianInt32ToMappedInt32DeInterleave;
+ }
else
{
MTAL_DP("CRTP_audio_stream::Init: invalid Codec\n");
diff --git a/driver/RTP_stream_info.c b/driver/RTP_stream_info.c
index ac65bbb..83ee967 100644
--- a/driver/RTP_stream_info.c
+++ b/driver/RTP_stream_info.c
@@ -168,7 +168,7 @@ int is_valid(TRTP_stream_info* rtp_stream_info)
{
char* cCodec = rtp_stream_info->m_cCodec;
if (strcmp(cCodec, "L16") && strcmp(cCodec, "L24") && strcmp(cCodec, "L2432")
- && strcmp(cCodec, "DSD64_32") && strcmp(cCodec, "DSD128_32")
+ && strcmp(cCodec, "AM824") && strcmp(cCodec, "DSD64_32") && strcmp(cCodec, "DSD128_32")
&& strcmp(cCodec, "DSD64") && strcmp(cCodec, "DSD128") && strcmp(cCodec, "DSD256"))
{
MTAL_DP("CRTP_stream_info::IsValid: wrong codec = %s\n", cCodec);
@@ -252,6 +252,10 @@ unsigned char get_codec_word_lenght(const char* cCodec)
{
return 4;
}
+ else if (strcmp(cCodec, "AM824") == 0)
+ {
+ return 4;
+ }
else if (strcmp(cCodec, "DSD64") == 0)
{
return 1;