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author | mswitch <mswitch@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-12-28 10:20:16 +0000 |
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committer | mswitch <mswitch@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-12-28 10:20:16 +0000 |
commit | 74fc43e91a3824dedff51ae5408311a7fa0ebbfa (patch) | |
tree | 8d2fabff11162c9d0948c390ba97719eac29efe4 /libao2 | |
parent | 296399a5bbc82bad4b57c9b9b761a4b1ed85c6df (diff) | |
download | mpv-74fc43e91a3824dedff51ae5408311a7fa0ebbfa.tar.bz2 mpv-74fc43e91a3824dedff51ae5408311a7fa0ebbfa.tar.xz |
Lots of fixes for digital audio output submitted by Steven Brookes <stevenjb@mda.co.uk>
Hardware sync-code activated
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3828 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libao2')
-rw-r--r-- | libao2/ao_dxr3.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/libao2/ao_dxr3.c b/libao2/ao_dxr3.c index 9a01cafe77..ef93772560 100644 --- a/libao2/ao_dxr3.c +++ b/libao2/ao_dxr3.c @@ -79,6 +79,11 @@ static int init(int rate,int channels,int format,int flags) return 0; } + ioval = (format==AFMT_AC3)?EM8300_AUDIOMODE_DIGITALAC3: + EM8300_AUDIOMODE_ANALOG; + if( ioctl( fd_control, EM8300_IOCTL_SET_AUDIOMODE, &ioval ) < 0 ) + printf( "AO: [dxr3] Unable to set audiomode\n" ); + ioctl(fd_audio, SNDCTL_DSP_RESET, NULL); ao_data.format = format; @@ -94,19 +99,25 @@ static int init(int rate,int channels,int format,int flags) ao_data.channels=channels; if(format != AFMT_AC3) + { if(channels>2) + { if( ioctl (fd_audio, SNDCTL_DSP_CHANNELS, &ao_data.channels) < 0 ) printf( "AO: [dxr3] Unable to set number of channels\n" ); - else - { - int c = channels-1; + } + else + { + int c = channels-1; if( ioctl(fd_audio,SNDCTL_DSP_STEREO,&c) < 0) printf( "AO: [dxr3] Unable to set number of channels for AC3\n" ); + } } ao_data.bps = channels*rate; if(format != AFMT_U8 && format != AFMT_S8) ao_data.bps*=2; + if(format == AFMT_AC3) + ao_data.bps*=2; ao_data.samplerate=rate; if( ioctl (fd_audio, SNDCTL_DSP_SPEED, &ao_data.samplerate) < 0 ) { @@ -137,8 +148,8 @@ static int init(int rate,int channels,int format,int flags) else { printf("AO: [dxr3] frags: %3d/%d (%d bytes/frag) free: %6d\n", - dxr3_buf_info.fragments+1, dxr3_buf_info.fragstotal, dxr3_buf_info.fragsize, dxr3_buf_info.bytes); - ao_data.buffersize=(dxr3_buf_info.bytes/2); + dxr3_buf_info.fragments, dxr3_buf_info.fragstotal, dxr3_buf_info.fragsize, dxr3_buf_info.bytes); + ao_data.buffersize=dxr3_buf_info.bytes; ao_data.outburst=dxr3_buf_info.fragsize; } @@ -160,6 +171,8 @@ static int init(int rate,int channels,int format,int flags) audio_plugin_resample.control(AOCONTROL_PLUGIN_SET_LEN,0); } } + + ioval = EM8300_PLAYMODE_PLAY; if( ioctl( fd_control, EM8300_IOCTL_SET_PLAYMODE, &ioval ) < 0 ) printf( "AO: [dxr3] Unable to set playmode\n" ); @@ -226,14 +239,13 @@ static void audio_resume() static int get_space() { int space = 0; - if( ioctl(fd_audio, SNDCTL_DSP_GETODELAY, &space) < 0 ) + if( ioctl(fd_audio, SNDCTL_DSP_GETOSPACE, &dxr3_buf_info)==-1 ) { - printf( "AO: [dxr3] Unable to get unplayed bytes in buffer\n" ); - return ao_data.outburst; + printf( "AO: [dxr3] Unable to get unplayed bytes in buffer\n" ); + return ao_data.outburst; } - space = ao_data.buffersize - space; - space /= ao_data.outburst; /* This is a smart way of doing a fast modulo reduction */ - space *= ao_data.outburst; /* fetched from ao_mpegpes.c */ + space=dxr3_buf_info.fragments*dxr3_buf_info.fragsize; + return space; } @@ -248,6 +260,8 @@ static int play(void* data,int len,int flags) ao_plugin_data.len = size; if(need_conversion & 0x1) audio_plugin_format.play(); if(need_conversion & 0x2) audio_plugin_resample.play(); + if( ioctl(fd_audio, EM8300_IOCTL_AUDIO_SETPTS, &ao_data.pts) < 0 ) + printf( "AO: [dxr3] Unable to set pts\n" ); write(fd_audio,ao_plugin_data.data,ao_plugin_data.len); return size; } @@ -255,12 +269,6 @@ static int play(void* data,int len,int flags) // return: delay in seconds between first and last sample in buffer static float get_delay() { - int r=0; - if( ioctl(fd_audio, SNDCTL_DSP_GETODELAY, &r) < 0 ) - { - printf( "AO: [dxr3] Unable to get unplayed bytes in buffer\n" ); - return ((float)ao_data.buffersize)/(float)ao_data.bps; - } - return (((float)r)/(float)ao_data.bps); + return 0.0; } |