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modified to change bit resolution

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This commit is contained in:
Kevin Yeung
2020-01-22 11:39:55 +08:00
committed by Keith Au
parent 6485830a73
commit ad7ce6369e
1 changed files with 6 additions and 1 deletions
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7
lib_xua/src/core/buffer/decouple/decouple.xc
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@@ -136,6 +136,8 @@ unsigned unpackData = 0;
unsigned packState = 0; unsigned packState = 0;
unsigned packData = 0; unsigned packData = 0;
extern unsigned int g_BitResolution;
/* Default to something sensible but the following are setup at stream start (unless UAC1 only..) */ /* Default to something sensible but the following are setup at stream start (unless UAC1 only..) */
#if (AUDIO_CLASS == 2) #if (AUDIO_CLASS == 2)
unsigned g_curSubSlot_Out = HS_STREAM_FORMAT_OUTPUT_1_SUBSLOT_BYTES; unsigned g_curSubSlot_Out = HS_STREAM_FORMAT_OUTPUT_1_SUBSLOT_BYTES;
@@ -145,7 +147,6 @@ unsigned g_curSubSlot_Out = FS_STREAM_FORMAT_OUTPUT_1_SUBSLOT_BYTES;
unsigned g_curSubSlot_In = FS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES; unsigned g_curSubSlot_In = FS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES;
#endif #endif
/* IN packet size. Init to something sensible, but expect to be re-set before stream start */ /* IN packet size. Init to something sensible, but expect to be re-set before stream start */
#if (AUDIO_CLASS==2) #if (AUDIO_CLASS==2)
int g_maxPacketSize = MAX_DEVICE_AUD_PACKET_SIZE_IN_HS; int g_maxPacketSize = MAX_DEVICE_AUD_PACKET_SIZE_IN_HS;
@@ -158,6 +159,10 @@ int g_maxPacketSize = MAX_DEVICE_AUD_PACKET_SIZE_IN_FS;
void handle_audio_request(chanend c_mix_out) void handle_audio_request(chanend c_mix_out)
{ {
int space_left; int space_left;
if (AUDIO_CLASS == 1){
g_curSubSlot_Out = g_BitResolution/8;
g_curSubSlot_In = g_BitResolution/8;
}
/* Input word that triggered interrupt and handshake back */ /* Input word that triggered interrupt and handshake back */
unsigned underflowSample = inuint(c_mix_out); unsigned underflowSample = inuint(c_mix_out);