gstreamer/ext/pulse/pulseutil.c
Sebastian Dröge f3b03cd773 Add pulseaudio GStreamer element from gst-pulse. Development will continue here instead of pulseaudio SVN. Fixes bug ...
Original commit message from CVS:
* configure.ac:
* ext/pulse/Makefile.am:
* ext/pulse/plugin.c: (plugin_init):
* ext/pulse/pulsemixer.c: (gst_pulsemixer_interface_supported),
(gst_pulsemixer_implements_interface_init),
(gst_pulsemixer_init_interfaces), (gst_pulsemixer_base_init),
(gst_pulsemixer_class_init), (gst_pulsemixer_init),
(gst_pulsemixer_finalize), (gst_pulsemixer_set_property),
(gst_pulsemixer_get_property), (gst_pulsemixer_change_state):
* ext/pulse/pulsemixer.h:
* ext/pulse/pulsemixerctrl.c:
(gst_pulsemixer_ctrl_context_state_cb),
(gst_pulsemixer_ctrl_sink_info_cb),
(gst_pulsemixer_ctrl_source_info_cb),
(gst_pulsemixer_ctrl_subscribe_cb),
(gst_pulsemixer_ctrl_success_cb), (gst_pulsemixer_ctrl_open),
(gst_pulsemixer_ctrl_close), (gst_pulsemixer_ctrl_new),
(gst_pulsemixer_ctrl_free), (gst_pulsemixer_ctrl_list_tracks),
(gst_pulsemixer_ctrl_timeout_event), (restart_time_event),
(gst_pulsemixer_ctrl_set_volume), (gst_pulsemixer_ctrl_get_volume),
(gst_pulsemixer_ctrl_set_record), (gst_pulsemixer_ctrl_set_mute):
* ext/pulse/pulsemixerctrl.h:
* ext/pulse/pulsemixertrack.c: (gst_pulsemixer_track_class_init),
(gst_pulsemixer_track_init), (gst_pulsemixer_track_new):
* ext/pulse/pulsemixertrack.h:
* ext/pulse/pulseprobe.c: (gst_pulseprobe_context_state_cb),
(gst_pulseprobe_sink_info_cb), (gst_pulseprobe_source_info_cb),
(gst_pulseprobe_invalidate), (gst_pulseprobe_open),
(gst_pulseprobe_enumerate), (gst_pulseprobe_close),
(gst_pulseprobe_new), (gst_pulseprobe_free),
(gst_pulseprobe_get_properties), (gst_pulseprobe_needs_probe),
(gst_pulseprobe_probe_property), (gst_pulseprobe_get_values),
(gst_pulseprobe_set_server):
* ext/pulse/pulseprobe.h:
* ext/pulse/pulsesink.c: (gst_pulsesink_base_init),
(gst_pulsesink_class_init), (gst_pulsesink_init),
(gst_pulsesink_destroy_stream), (gst_pulsesink_destroy_context),
(gst_pulsesink_finalize), (gst_pulsesink_dispose),
(gst_pulsesink_set_property), (gst_pulsesink_get_property),
(gst_pulsesink_context_state_cb), (gst_pulsesink_stream_state_cb),
(gst_pulsesink_stream_request_cb),
(gst_pulsesink_stream_latency_update_cb), (gst_pulsesink_open),
(gst_pulsesink_close), (gst_pulsesink_prepare),
(gst_pulsesink_unprepare), (gst_pulsesink_write),
(gst_pulsesink_delay), (gst_pulsesink_success_cb),
(gst_pulsesink_reset), (gst_pulsesink_change_title),
(gst_pulsesink_event), (gst_pulsesink_get_type):
* ext/pulse/pulsesink.h:
* ext/pulse/pulsesrc.c: (gst_pulsesrc_interface_supported),
(gst_pulsesrc_implements_interface_init),
(gst_pulsesrc_init_interfaces), (gst_pulsesrc_base_init),
(gst_pulsesrc_class_init), (gst_pulsesrc_init),
(gst_pulsesrc_destroy_stream), (gst_pulsesrc_destroy_context),
(gst_pulsesrc_finalize), (gst_pulsesrc_dispose),
(gst_pulsesrc_set_property), (gst_pulsesrc_get_property),
(gst_pulsesrc_context_state_cb), (gst_pulsesrc_stream_state_cb),
(gst_pulsesrc_stream_request_cb), (gst_pulsesrc_open),
(gst_pulsesrc_close), (gst_pulsesrc_prepare),
(gst_pulsesrc_unprepare), (gst_pulsesrc_read),
(gst_pulsesrc_delay), (gst_pulsesrc_change_state),
(gst_pulsesrc_get_type):
* ext/pulse/pulsesrc.h:
* ext/pulse/pulseutil.c: (gst_pulse_fill_sample_spec),
(gst_pulse_client_name), (gst_pulse_gst_to_channel_map):
* ext/pulse/pulseutil.h:
Add pulseaudio GStreamer element from gst-pulse. Development will
continue here instead of pulseaudio SVN. Fixes bug #400679.
Only changes over gst-pulse SVN are added copyright to the top of
files and coding style changes.
2008-06-10 06:45:33 +00:00

138 lines
4.4 KiB
C

/*
* GStreamer pulseaudio plugin
*
* Copyright (c) 2004-2008 Lennart Poettering
*
* gst-pulse is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* gst-pulse is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with gst-pulse; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pulseutil.h"
#include <gst/audio/multichannel.h>
static const pa_channel_position_t gst_pos_to_pa[GST_AUDIO_CHANNEL_POSITION_NUM]
= {
[GST_AUDIO_CHANNEL_POSITION_FRONT_MONO] = PA_CHANNEL_POSITION_MONO,
[GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT] = PA_CHANNEL_POSITION_FRONT_LEFT,
[GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT] = PA_CHANNEL_POSITION_FRONT_RIGHT,
[GST_AUDIO_CHANNEL_POSITION_REAR_CENTER] = PA_CHANNEL_POSITION_REAR_CENTER,
[GST_AUDIO_CHANNEL_POSITION_REAR_LEFT] = PA_CHANNEL_POSITION_REAR_LEFT,
[GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT] = PA_CHANNEL_POSITION_REAR_RIGHT,
[GST_AUDIO_CHANNEL_POSITION_LFE] = PA_CHANNEL_POSITION_LFE,
[GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER] = PA_CHANNEL_POSITION_FRONT_CENTER,
[GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER] =
PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
[GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER] =
PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
[GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT] = PA_CHANNEL_POSITION_SIDE_LEFT,
[GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT] = PA_CHANNEL_POSITION_SIDE_RIGHT,
[GST_AUDIO_CHANNEL_POSITION_NONE] = PA_CHANNEL_POSITION_INVALID
};
gboolean
gst_pulse_fill_sample_spec (GstRingBufferSpec * spec, pa_sample_spec * ss)
{
if (spec->format == GST_MU_LAW && spec->width == 8)
ss->format = PA_SAMPLE_ULAW;
else if (spec->format == GST_A_LAW && spec->width == 8)
ss->format = PA_SAMPLE_ALAW;
else if (spec->format == GST_U8 && spec->width == 8)
ss->format = PA_SAMPLE_U8;
else if (spec->format == GST_S16_LE && spec->width == 16)
ss->format = PA_SAMPLE_S16LE;
else if (spec->format == GST_S16_BE && spec->width == 16)
ss->format = PA_SAMPLE_S16BE;
else if (spec->format == GST_FLOAT32_LE && spec->width == 32)
ss->format = PA_SAMPLE_FLOAT32LE;
else if (spec->format == GST_FLOAT32_BE && spec->width == 32)
ss->format = PA_SAMPLE_FLOAT32BE;
else if (spec->format == GST_S32_LE && spec->width == 32)
ss->format = PA_SAMPLE_S32LE;
else if (spec->format == GST_S32_BE && spec->width == 32)
ss->format = PA_SAMPLE_S32BE;
else
return FALSE;
ss->channels = spec->channels;
ss->rate = spec->rate;
if (!pa_sample_spec_valid (ss))
return FALSE;
return TRUE;
}
gchar *
gst_pulse_client_name (void)
{
gchar buf[PATH_MAX];
const char *c;
if ((c = g_get_application_name ()))
return g_strdup_printf ("%s", c);
else if (pa_get_binary_name (buf, sizeof (buf)))
return g_strdup_printf ("%s", buf);
else
return g_strdup ("GStreamer");
}
pa_channel_map *
gst_pulse_gst_to_channel_map (pa_channel_map * map, GstRingBufferSpec * spec)
{
int i;
GstAudioChannelPosition *pos;
pa_channel_map_init (map);
if (!(pos =
gst_audio_get_channel_positions (gst_caps_get_structure (spec->caps,
0)))) {
/* g_debug("%s: No channel positions!\n", G_STRFUNC); */
return NULL;
}
/* g_debug("%s: Got channel positions:\n", G_STRFUNC); */
for (i = 0; i < spec->channels; i++) {
if (pos[i] == GST_AUDIO_CHANNEL_POSITION_NONE) {
/* no valid mappings for these channels */
g_free (pos);
return NULL;
} else if (pos[i] < GST_AUDIO_CHANNEL_POSITION_NUM)
map->map[i] = gst_pos_to_pa[pos[i]];
else
map->map[i] = PA_CHANNEL_POSITION_INVALID;
/*g_debug(" channel %d: gst: %d pulse: %d\n", i, pos[i], map->map[i]); */
}
g_free (pos);
map->channels = spec->channels;
if (!pa_channel_map_valid (map)) {
/* g_debug("generated invalid map!\n"); */
return NULL;
}
return map;
}