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Code Issues Releases Wiki Activity

The audio balance feature implemented with af_pan.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23588 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
zuxy 2007-06-20 02:26:20 +00:00
parent d5621cf639
commit be09bd1c04
12 changed files with 116 additions and 2 deletions
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2
DOCS/man/en/mplayer.1
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@ -238,6 +238,8 @@ Adjust audio delay by +/- 0.1 seconds.
Decrease/\:increase volume.
.IPs "9 and 0"
Decrease/\:increase volume.
.IPs "( and )"
Adjust audio balance in favor of left/\:right channel.
.IPs "m\ \ \ \ "
Mute sound.
.IPs "_ (MPEG-TS and libavformat only)"

1
DOCS/tech/slave.txt
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@ -419,6 +419,7 @@ time_pos time 0 X X X position in seconds
metadata str list X list of metadata key/value
metadata/* string X metadata values
volume float 0 100 X X X change volume
balance float -1 1 X X X change audio balance
mute flag 0 1 X X X
audio_delay float -100 100 X X X
audio_format int X

54
command.c
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@ -571,6 +571,57 @@ static int mp_property_channels(m_option_t * prop, int action, void *arg,
return m_property_int_ro(prop, action, arg, mpctx->sh_audio->channels);
}
/// Balance (RW)
static int mp_property_balance(m_option_t * prop, int action, void *arg,
MPContext * mpctx)
{
float bal;
if (!mpctx->sh_audio || mpctx->sh_audio->channels < 2)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
if (!arg)
return M_PROPERTY_ERROR;
mixer_getbalance(&mpctx->mixer, arg);
return M_PROPERTY_OK;
case M_PROPERTY_PRINT: {
char** str = arg;
if (!arg)
return M_PROPERTY_ERROR;
mixer_getbalance(&mpctx->mixer, &bal);
if (bal == 0.f)
*str = strdup("center");
else if (bal == -1.f)
*str = strdup("left only");
else if (bal == 1.f)
*str = strdup("right only");
else {
unsigned right = (bal + 1.f) / 2.f * 100.f;
*str = malloc(sizeof("left xxx%, right xxx%"));
sprintf(*str, "left %d%%, right %d%%", 100 - right, right);
}
return M_PROPERTY_OK;
}
case M_PROPERTY_STEP_UP:
case M_PROPERTY_STEP_DOWN:
mixer_getbalance(&mpctx->mixer, &bal);
bal += (arg ? *(float*)arg : .1f) *
(action == M_PROPERTY_STEP_UP ? 1.f : -1.f);
M_PROPERTY_CLAMP(prop, bal);
mixer_setbalance(&mpctx->mixer, bal);
return M_PROPERTY_OK;
case M_PROPERTY_SET:
if (!arg)
return M_PROPERTY_ERROR;
M_PROPERTY_CLAMP(prop, *(float*)arg);
mixer_setbalance(&mpctx->mixer, *(float*)arg);
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
/// Selected audio id (RW)
static int mp_property_audio(m_option_t * prop, int action, void *arg,
MPContext * mpctx)
@ -1589,6 +1640,8 @@ static m_option_t mp_properties[] = {
0, 0, 0, NULL },
{ "switch_audio", mp_property_audio, CONF_TYPE_INT,
CONF_RANGE, -2, MAX_A_STREAMS - 1, NULL },
{ "balance", mp_property_balance, CONF_TYPE_FLOAT,
M_OPT_RANGE, -1, 1, NULL },
// Video
{ "fullscreen", mp_property_fullscreen, CONF_TYPE_FLAG,
@ -1743,6 +1796,7 @@ static struct {
{ "mute", MP_CMD_MUTE, 1, 0, -1, MSGTR_MuteStatus },
{ "audio_delay", MP_CMD_AUDIO_DELAY, 0, 0, -1, MSGTR_AVDelayStatus },
{ "switch_audio", MP_CMD_SWITCH_AUDIO, 1, 0, -1, MSGTR_OSDAudio },
{ "balance", MP_CMD_BALANCE, 0, OSD_BALANCE, -1, MSGTR_Balance },
// video
{ "fullscreen", MP_CMD_VO_FULLSCREEN, 1, 0, -1, NULL },
{ "panscan", MP_CMD_PANSCAN, 0, OSD_PANSCAN, -1, MSGTR_Panscan },

2
etc/input.conf
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@ -51,6 +51,8 @@ x sub_delay +0.1 # add
6 hue 1
7 saturation -1
8 saturation 1
( balance -0.1 # adjust audio balance in favor of left
) balance +0.1 # right
d frame_drop
r sub_pos -1 # move subtitles up
t sub_pos +1 # down

1
etc/menu.conf
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@ -33,6 +33,7 @@
<pref name="audio_pref" title="Audio">
<e property="volume" name="Volume"/>
<e property="balance" name="Balance"/>
<e property="mute" name="Mute"/>
<e property="audio_delay" name="Delay"/>
</pref>

3
help/help_mp-en.h
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@ -231,6 +231,7 @@ static char help_text[]=
#define MSGTR_Contrast "Contrast"
#define MSGTR_Saturation "Saturation"
#define MSGTR_Hue "Hue"
#define MSGTR_Balance "Balance"
// property state
#define MSGTR_MuteStatus "Mute: %s"
@ -706,6 +707,7 @@ static char help_text[]=
#define MSGTR_InsertingAfVolume "[Mixer] No hardware mixing, inserting volume filter.\n"
#define MSGTR_NoVolume "[Mixer] No volume control available.\n"
#define MSGTR_NoBalance "[Mixer] No balance control available.\n"
// ====================== GUI messages/buttons ========================
@ -1077,6 +1079,7 @@ static char help_text[]=
#define MSGTR_VO_SUB_Volume "Volume"
#define MSGTR_VO_SUB_Brightness "Brightness"
#define MSGTR_VO_SUB_Hue "Hue"
#define MSGTR_VO_SUB_Balance "Balance"
// vo_xv.c
#define MSGTR_VO_XV_ImagedimTooHigh "Source image dimensions are too high: %ux%u (maximum is %ux%u)\n"

3
input/input.c
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@ -71,6 +71,7 @@ static mp_cmd_t mp_cmds[] = {
{ MP_CMD_OSD_SHOW_TEXT, "osd_show_text", 1, { {MP_CMD_ARG_STRING, {0}}, {MP_CMD_ARG_INT,{-1}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } },
{ MP_CMD_OSD_SHOW_PROPERTY_TEXT, "osd_show_property_text",1, { {MP_CMD_ARG_STRING, {0}}, {MP_CMD_ARG_INT,{-1}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } },
{ MP_CMD_VOLUME, "volume", 1, { { MP_CMD_ARG_FLOAT,{0} }, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } },
{ MP_CMD_BALANCE, "balance", 1, { { MP_CMD_ARG_FLOAT,{0} }, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } },
{ MP_CMD_MIXER_USEMASTER, "use_master", 0, { {-1,{0}} } },
{ MP_CMD_MUTE, "mute", 0, { {MP_CMD_ARG_INT,{-1}}, {-1,{0}} } },
{ MP_CMD_CONTRAST, "contrast",1, { {MP_CMD_ARG_INT,{0}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } },
@ -363,6 +364,8 @@ static mp_cmd_bind_t def_cmd_binds[] = {
{ { '/', 0 }, "volume -1" },
{ { '0', 0 }, "volume 1" },
{ { '*', 0 }, "volume 1" },
{ { '(', 0 }, "balance -0.1" },
{ { ')', 0 }, "balance 0.1" },
{ { 'm', 0 }, "mute" },
{ { '1', 0 }, "contrast -1" },
{ { '2', 0 }, "contrast 1" },

1
input/input.h
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@ -95,6 +95,7 @@
#define MP_CMD_TV_STEP_FREQ 93
#define MP_CMD_TV_TELETEXT_ADD_DEC 94
#define MP_CMD_TV_TELETEXT_GO_LINK 95
#define MP_CMD_BALANCE 96
#define MP_CMD_GUI_EVENTS 5000
#define MP_CMD_GUI_LOADFILE 5001

5
libvo/sub.c
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@ -58,9 +58,10 @@ char * __sub_osd_names[]={
MSGTR_VO_SUB_Saturation,
MSGTR_VO_SUB_Volume,
MSGTR_VO_SUB_Brightness,
MSGTR_VO_SUB_Hue
MSGTR_VO_SUB_Hue,
MSGTR_VO_SUB_Balance
};
char * __sub_osd_names_short[] ={ "", "|>", "||", "[]", "<<" , ">>", "", "", "", "", "", ""};
char * __sub_osd_names_short[] ={ "", "|>", "||", "[]", "<<" , ">>", "", "", "", "", "", "", "" };
//static int vo_font_loaded=-1;
font_desc_t* vo_font=NULL;

1
libvo/sub.h
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@ -91,6 +91,7 @@ extern void* vo_vobsub;
#define OSD_VOLUME 0x09
#define OSD_BRIGHTNESS 0x0A
#define OSD_HUE 0x0B
#define OSD_BALANCE 0x0C
#define OSD_PANSCAN 0x50
#define OSD_PB_START 0x10

43
mixer.c
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@ -118,3 +118,46 @@ void mixer_mute(mixer_t *mixer)
mixer->muted=1;
}
}
void mixer_getbalance(mixer_t *mixer, float *val)
{
*val = 0.f;
if(!mixer->afilter)
return;
af_control_any_rev(mixer->afilter,
AF_CONTROL_PAN_BALANCE | AF_CONTROL_GET, val);
}
void mixer_setbalance(mixer_t *mixer, float val)
{
float level[AF_NCH];
int i;
af_control_ext_t arg_ext = { .arg = level };
af_instance_t* af_pan_balance;
if(!mixer->afilter)
return;
if (af_control_any_rev(mixer->afilter,
AF_CONTROL_PAN_BALANCE | AF_CONTROL_SET, &val))
return;
if (!(af_pan_balance = af_add(mixer->afilter, "pan"))) {
mp_msg(MSGT_GLOBAL, MSGL_ERR, MSGTR_NoBalance);
return;
}
af_init(mixer->afilter);
/* make all other channels pass thru since by default pan blocks all */
memset(level, 0, sizeof(level));
for (i = 2; i < AF_NCH; i++) {
arg_ext.ch = i;
level[i] = 1.f;
af_pan_balance->control(af_pan_balance,
AF_CONTROL_PAN_LEVEL | AF_CONTROL_SET, &arg_ext);
level[i] = 0.f;
}
af_pan_balance->control(af_pan_balance,
AF_CONTROL_PAN_BALANCE | AF_CONTROL_SET, &val);
}

2
mixer.h
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@ -23,6 +23,8 @@ void mixer_incvolume(mixer_t *mixer);
void mixer_decvolume(mixer_t *mixer);
void mixer_getbothvolume(mixer_t *mixer, float *b);
void mixer_mute(mixer_t *mixer);
void mixer_getbalance(mixer_t *mixer, float *bal);
void mixer_setbalance(mixer_t *mixer, float bal);
//extern void mixer_setbothvolume( int v );
#define mixer_setbothvolume(m, v) mixer_setvolume(m, v, v)