Ticket #1608: ac3-pass-thru-patch

File ac3-pass-thru-patch, 947 bytes (added by msc@…, 20 years ago)

Patch to SVN Revision

Line 
1Index: libs/libmyth/audiooutputalsa.cpp
2===================================================================
3--- libs/libmyth/audiooutputalsa.cpp (Revision 9580)
4+++ libs/libmyth/audiooutputalsa.cpp (Arbeitskopie)
5@@ -46,8 +46,17 @@
6 numbadioctls = 0;
7
8 QString real_device = audiodevice;
9- if (audio_passthru)
10- real_device.append(":{ AES0 0x02 }");
11+
12+ //proper ac3 pass thru setup. (taken from mplayer)
13+ if (audio_passthru) {
14+ real_device.sprintf("iec958:{CARD 0 AES0 0x%02x AES1 0x%02x AES2 0x%02x AES3 0x%02x}",
15+ IEC958_AES0_NONAUDIO | IEC958_AES0_CON_EMPHASIS_NONE,
16+ IEC958_AES1_CON_ORIGINAL | IEC958_AES1_CON_PCM_CODER,
17+ 0,
18+ IEC958_AES3_CON_FS_48000);
19+ VERBOSE(VB_AUDIO, QString("Opening audio for AC3 PassThru with %1").arg(real_device));
20+ }
21+
22
23 err = snd_pcm_open(&pcm_handle, real_device,
24 SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);