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Add slave commands for loading and unloading audio filters at runtime.

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Patch by Jehan Hysseo, hysseo zemarmot net


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31030 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
cehoyos 2010-04-11 18:59:19 +00:00
parent e3ed371d51
commit 40ac0d3109
5 changed files with 63 additions and 0 deletions
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3
AUTHORS
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@ -385,6 +385,9 @@ Hůrka, Tomáš <tom@hukatronic.cz>
* Darwin DVD support (mpdvdkit2)
* various fixes
Hysseo, Jehan <hysseo@zemarmot.net>
* af_add, af_switch, af_del, af_clr commands.
Isani, Sidik <lksi@cfht.hawaii.edu>
* get_delay() smoothing code (-autosync)
* RTC initialization fixes

11
DOCS/tech/slave.txt
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@ -45,6 +45,17 @@ Various tips and tricks (please help expand it!):
Available commands ('mplayer -input cmdlist' will print a list):
af_add <filter_arguments_list> (comma separated list of audio filters with parameters)
(experimental) Load the given list of audio filters.
af_clr
(experimental) Unload all loaded audio filters.
af_del <filter_name_list> (comma separated list of audio filter's names)
(experimental) Unload the first occurrence of the filters, if loaded.
af_switch <filter_arguments_list> (comma separated list of audio filters with parameters)
(experimental) Remove all the audio filters and replace them with the given list.
alt_src_step <value> (ASX playlist only)
When more than one source is available it selects the next/previous one.

37
command.c
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@ -3242,6 +3242,43 @@ int run_command(MPContext * mpctx, mp_cmd_t * cmd)
#endif
case MP_CMD_AF_SWITCH:
if (sh_audio)
{
af_uninit(mpctx->mixer.afilter);
af_init(mpctx->mixer.afilter);
}
case MP_CMD_AF_ADD:
case MP_CMD_AF_DEL:
if (!sh_audio)
break;
{
char* af_args = strdup(cmd->args[0].v.s);
char* af_commands = af_args;
char* af_command;
af_instance_t* af;
while ((af_command = strsep(&af_commands, ",")) != NULL)
{
if (cmd->id == MP_CMD_AF_DEL)
{
af = af_get(mpctx->mixer.afilter, af_command);
if (af != NULL)
af_remove(mpctx->mixer.afilter, af);
}
else
af_add(mpctx->mixer.afilter, af_command);
}
build_afilter_chain(sh_audio, &ao_data);
free(af_args);
}
break;
case MP_CMD_AF_CLR:
if (!sh_audio)
break;
af_uninit(mpctx->mixer.afilter);
af_init(mpctx->mixer.afilter);
build_afilter_chain(sh_audio, &ao_data);
break;
default:
#ifdef CONFIG_GUI
if ((use_gui) && (cmd->id > MP_CMD_GUI_EVENTS))

5
input/input.c
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@ -209,6 +209,11 @@ static const mp_cmd_t mp_cmds[] = {
{ MP_CMD_SEEK_CHAPTER, "seek_chapter", 1, { {MP_CMD_ARG_INT,{0}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } },
{ MP_CMD_SET_MOUSE_POS, "set_mouse_pos", 2, { {MP_CMD_ARG_INT,{0}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } },
{ MP_CMD_AF_SWITCH, "af_switch", 1, { {MP_CMD_ARG_STRING, {0}}, {-1,{0}} } },
{ MP_CMD_AF_ADD, "af_add", 1, { {MP_CMD_ARG_STRING, {0}}, {-1,{0}} } },
{ MP_CMD_AF_DEL, "af_del", 1, { {MP_CMD_ARG_STRING, {0}}, {-1,{0}} } },
{ MP_CMD_AF_CLR, "af_clr", 0, { {-1,{0}} } },
{ 0, NULL, 0, {} }
};

7
input/input.h
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@ -162,6 +162,13 @@ typedef enum {
MP_CMD_CHELP = 7000,
MP_CMD_CEXIT,
MP_CMD_CHIDE,
/// Audio Filter commands
MP_CMD_AF_SWITCH,
MP_CMD_AF_ADD,
MP_CMD_AF_DEL,
MP_CMD_AF_CLR,
} mp_command_type;
// The arg types