gstreamer/sys/oss/gstosssrc.c
Stefan Kost 27f2c9b255 Define GstElementDetails as const and also static (when defined as global)
Original commit message from CVS:
* ext/aalib/gstaasink.c:
* ext/annodex/gstcmmldec.c:
* ext/annodex/gstcmmlenc.c:
* ext/cairo/gsttextoverlay.c:
* ext/cairo/gsttimeoverlay.c:
* ext/cdio/gstcdiocddasrc.c:
* ext/dv/gstdvdec.c:
* ext/dv/gstdvdemux.c:
* ext/esd/esdmon.c:
* ext/esd/esdsink.c:
* ext/flac/gstflacenc.c:
* ext/flac/gstflactag.c:
* ext/gconf/gstgconfaudiosink.c: (gst_gconf_audio_sink_base_init):
* ext/gconf/gstgconfaudiosrc.c: (gst_gconf_audio_src_base_init):
* ext/gconf/gstgconfvideosink.c: (gst_gconf_video_sink_base_init):
* ext/gconf/gstgconfvideosrc.c: (gst_gconf_video_src_base_init):
* ext/gdk_pixbuf/pixbufscale.c:
* ext/hal/gsthalaudiosink.c: (gst_hal_audio_sink_base_init):
* ext/hal/gsthalaudiosrc.c: (gst_hal_audio_src_base_init):
* ext/jpeg/gstjpegdec.c:
* ext/jpeg/gstjpegenc.c:
* ext/jpeg/gstsmokedec.c:
* ext/jpeg/gstsmokeenc.c:
* ext/libcaca/gstcacasink.c:
* ext/libmng/gstmngdec.c:
* ext/libmng/gstmngenc.c:
* ext/libpng/gstpngdec.c:
* ext/libpng/gstpngenc.c:
* ext/mikmod/gstmikmod.c:
* ext/raw1394/gstdv1394src.c:
* ext/shout2/gstshout2.c: (gst_shout2send_init):
* ext/shout2/gstshout2.h:
* ext/speex/gstspeexdec.c:
* ext/speex/gstspeexenc.c:
* gst/alpha/gstalpha.c:
* gst/alpha/gstalphacolor.c:
* gst/apetag/gstapedemux.c:
* gst/auparse/gstauparse.c:
* gst/autodetect/gstautoaudiosink.c:
(gst_auto_audio_sink_base_init):
* gst/autodetect/gstautovideosink.c:
(gst_auto_video_sink_base_init):
* gst/avi/gstavidemux.c: (gst_avi_demux_base_init):
* gst/avi/gstavimux.c: (gst_avimux_base_init):
* gst/cutter/gstcutter.c:
* gst/debug/breakmydata.c:
* gst/debug/efence.c:
* gst/debug/gstnavigationtest.c:
* gst/debug/gstnavseek.c:
* gst/debug/negotiation.c:
* gst/debug/progressreport.c:
* gst/debug/testplugin.c:
* gst/effectv/gstaging.c:
* gst/effectv/gstdice.c:
* gst/effectv/gstedge.c:
* gst/effectv/gstquark.c:
* gst/effectv/gstrev.c:
* gst/effectv/gstshagadelic.c:
* gst/effectv/gstvertigo.c:
* gst/effectv/gstwarp.c:
* gst/flx/gstflxdec.c:
* gst/goom/gstgoom.c:
* gst/icydemux/gsticydemux.c:
* gst/id3demux/gstid3demux.c:
* gst/interleave/deinterleave.c:
* gst/interleave/interleave.c:
* gst/law/alaw-decode.c: (gst_alawdec_base_init):
* gst/law/alaw-encode.c: (gst_alawenc_base_init):
* gst/law/mulaw-decode.c: (gst_mulawdec_base_init):
* gst/law/mulaw-encode.c: (gst_mulawenc_base_init):
* gst/level/gstlevel.c:
* gst/matroska/matroska-demux.c: (gst_matroska_demux_base_init):
* gst/matroska/matroska-mux.c: (gst_matroska_mux_base_init):
* gst/median/gstmedian.c:
* gst/monoscope/gstmonoscope.c:
* gst/multipart/multipartdemux.c:
* gst/multipart/multipartmux.c:
* gst/oldcore/gstaggregator.c:
* gst/oldcore/gstfdsink.c:
* gst/oldcore/gstmd5sink.c:
* gst/oldcore/gstmultifilesrc.c:
* gst/oldcore/gstpipefilter.c:
* gst/oldcore/gstshaper.c:
* gst/oldcore/gststatistics.c:
* gst/rtp/gstasteriskh263.c:
* gst/rtp/gstrtpL16depay.c:
* gst/rtp/gstrtpL16pay.c:
* gst/rtp/gstrtpamrdepay.c:
* gst/rtp/gstrtpamrpay.c:
* gst/rtp/gstrtpdepay.c:
* gst/rtp/gstrtpgsmpay.c:
* gst/rtp/gstrtph263pay.c:
* gst/rtp/gstrtph263pdepay.c:
* gst/rtp/gstrtph263ppay.c:
* gst/rtp/gstrtpilbcdepay.c:
* gst/rtp/gstrtpmp4gpay.c:
* gst/rtp/gstrtpmp4vdepay.c:
* gst/rtp/gstrtpmp4vpay.c:
* gst/rtp/gstrtpmpadepay.c:
* gst/rtp/gstrtpmpapay.c:
* gst/rtp/gstrtppcmadepay.c:
* gst/rtp/gstrtppcmapay.c:
* gst/rtp/gstrtppcmudepay.c:
* gst/rtp/gstrtppcmupay.c:
* gst/rtp/gstrtpspeexdepay.c:
* gst/rtp/gstrtpspeexpay.c:
* gst/rtsp/gstrtpdec.c:
* gst/rtsp/gstrtspsrc.c:
* gst/smpte/gstsmpte.c:
* gst/udp/gstdynudpsink.c:
* gst/udp/gstmultiudpsink.c:
* gst/udp/gstudpsink.c:
* gst/udp/gstudpsrc.c:
* gst/videobox/gstvideobox.c:
* gst/videofilter/gstgamma.c: (gst_gamma_base_init):
* gst/videofilter/gstvideobalance.c:
* gst/videofilter/gstvideoflip.c:
* gst/videofilter/gstvideotemplate.c:
(gst_videotemplate_base_init):
* gst/videomixer/videomixer.c:
* gst/wavparse/gstwavparse.c: (gst_wavparse_base_init),
(gst_wavparse_class_init), (gst_wavparse_dispose),
(gst_wavparse_reset), (gst_wavparse_init),
(gst_wavparse_perform_seek), (gst_wavparse_peek_chunk_info),
(gst_wavparse_peek_chunk), (gst_wavparse_stream_headers),
(gst_wavparse_parse_stream_init), (gst_wavparse_send_event),
(gst_wavparse_add_src_pad), (gst_wavparse_stream_data),
(gst_wavparse_chain), (gst_wavparse_srcpad_event),
(gst_wavparse_sink_activate), (gst_wavparse_sink_activate_pull),
(gst_wavparse_change_state):
* gst/wavparse/gstwavparse.h:
* sys/oss/gstossmixerelement.c:
* sys/oss/gstosssink.c:
* sys/oss/gstosssrc.c:
* sys/osxaudio/gstosxaudioelement.c:
* sys/osxaudio/gstosxaudiosink.c:
* sys/osxaudio/gstosxaudiosrc.c:
* sys/sunaudio/gstsunaudiomixer.c:
* sys/sunaudio/gstsunaudiosink.c:
Define GstElementDetails as const and also static (when defined as
global)
2006-04-25 21:39:46 +00:00

484 lines
12 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000,2005 Wim Taymans <wim@fluendo.com>
*
* gstosssrc.c:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; 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 <sys/ioctl.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#ifdef HAVE_OSS_INCLUDE_IN_SYS
# include <sys/soundcard.h>
#else
# ifdef HAVE_OSS_INCLUDE_IN_ROOT
# include <soundcard.h>
# else
# ifdef HAVE_OSS_INCLUDE_IN_MACHINE
# include <machine/soundcard.h>
# else
# error "What to include?"
# endif /* HAVE_OSS_INCLUDE_IN_MACHINE */
# endif /* HAVE_OSS_INCLUDE_IN_ROOT */
#endif /* HAVE_OSS_INCLUDE_IN_SYS */
#include "gstosssrc.h"
#include "common.h"
GST_DEBUG_CATEGORY_EXTERN (oss_debug);
#define GST_CAT_DEFAULT oss_debug
static const GstElementDetails gst_oss_src_details =
GST_ELEMENT_DETAILS ("Audio Source (OSS)",
"Source/Audio",
"Capture from a sound card via OSS",
"Erik Walthinsen <omega@cse.ogi.edu>, " "Wim Taymans <wim@fluendo.com>");
#define DEFAULT_DEVICE "/dev/dsp"
#define DEFAULT_DEVICE_NAME ""
enum
{
PROP_0,
PROP_DEVICE,
PROP_DEVICE_NAME,
};
GST_BOILERPLATE_WITH_INTERFACE (GstOssSrc, gst_oss_src, GstAudioSrc,
GST_TYPE_AUDIO_SRC, GstMixer, GST_TYPE_MIXER, gst_oss_src_mixer);
GST_IMPLEMENT_OSS_MIXER_METHODS (GstOssSrc, gst_oss_src_mixer);
static void gst_oss_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_oss_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_oss_src_dispose (GObject * object);
static GstCaps *gst_oss_src_getcaps (GstBaseSrc * bsrc);
static gboolean gst_oss_src_open (GstAudioSrc * asrc);
static gboolean gst_oss_src_close (GstAudioSrc * asrc);
static gboolean gst_oss_src_prepare (GstAudioSrc * asrc,
GstRingBufferSpec * spec);
static gboolean gst_oss_src_unprepare (GstAudioSrc * asrc);
static guint gst_oss_src_read (GstAudioSrc * asrc, gpointer data, guint length);
static guint gst_oss_src_delay (GstAudioSrc * asrc);
static void gst_oss_src_reset (GstAudioSrc * asrc);
static GstStaticPadTemplate osssrc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-int, "
"endianness = (int) { " G_STRINGIFY (G_BYTE_ORDER) " }, "
"signed = (boolean) { TRUE, FALSE }, "
"width = (int) 16, "
"depth = (int) 16, "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]; "
"audio/x-raw-int, "
"signed = (boolean) { TRUE, FALSE }, "
"width = (int) 8, "
"depth = (int) 8, "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]")
);
static void
gst_oss_src_dispose (GObject * object)
{
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_oss_src_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (element_class, &gst_oss_src_details);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&osssrc_src_factory));
}
static void
gst_oss_src_class_init (GstOssSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSrcClass *gstbasesrc_class;
GstBaseAudioSrcClass *gstbaseaudiosrc_class;
GstAudioSrcClass *gstaudiosrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesrc_class = (GstBaseSrcClass *) klass;
gstbaseaudiosrc_class = (GstBaseAudioSrcClass *) klass;
gstaudiosrc_class = (GstAudioSrcClass *) klass;
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_oss_src_dispose);
gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_oss_src_get_property);
gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_oss_src_set_property);
gstbasesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_oss_src_getcaps);
gstaudiosrc_class->open = GST_DEBUG_FUNCPTR (gst_oss_src_open);
gstaudiosrc_class->prepare = GST_DEBUG_FUNCPTR (gst_oss_src_prepare);
gstaudiosrc_class->unprepare = GST_DEBUG_FUNCPTR (gst_oss_src_unprepare);
gstaudiosrc_class->close = GST_DEBUG_FUNCPTR (gst_oss_src_close);
gstaudiosrc_class->read = GST_DEBUG_FUNCPTR (gst_oss_src_read);
gstaudiosrc_class->delay = GST_DEBUG_FUNCPTR (gst_oss_src_delay);
gstaudiosrc_class->reset = GST_DEBUG_FUNCPTR (gst_oss_src_reset);
g_object_class_install_property (gobject_class, PROP_DEVICE,
g_param_spec_string ("device", "Device",
"OSS device (usually /dev/dspN)", DEFAULT_DEVICE, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_DEVICE_NAME,
g_param_spec_string ("device-name", "Device name",
"Human-readable name of the sound device", DEFAULT_DEVICE_NAME,
G_PARAM_READABLE));
}
static void
gst_oss_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstOssSrc *src;
src = GST_OSS_SRC (object);
switch (prop_id) {
case PROP_DEVICE:
if (src->device)
g_free (src->device);
src->device = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_oss_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstOssSrc *src;
src = GST_OSS_SRC (object);
switch (prop_id) {
case PROP_DEVICE:
g_value_set_string (value, src->device);
break;
case PROP_DEVICE_NAME:
g_value_set_string (value, src->device_name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_oss_src_init (GstOssSrc * osssrc, GstOssSrcClass * g_class)
{
GST_DEBUG ("initializing osssrc");
osssrc->fd = -1;
osssrc->device = g_strdup (DEFAULT_DEVICE);
osssrc->device_name = g_strdup (DEFAULT_DEVICE_NAME);
}
static GstCaps *
gst_oss_src_getcaps (GstBaseSrc * bsrc)
{
GstOssSrc *osssrc;
GstCaps *caps;
osssrc = GST_OSS_SRC (bsrc);
if (osssrc->fd == -1) {
caps = gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD
(bsrc)));
} else {
caps = gst_oss_helper_probe_caps (osssrc->fd);
}
return caps;
}
static gint
ilog2 (gint x)
{
/* well... hacker's delight explains... */
x = x | (x >> 1);
x = x | (x >> 2);
x = x | (x >> 4);
x = x | (x >> 8);
x = x | (x >> 16);
x = x - ((x >> 1) & 0x55555555);
x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
x = (x + (x >> 4)) & 0x0f0f0f0f;
x = x + (x >> 8);
x = x + (x >> 16);
return (x & 0x0000003f) - 1;
}
static gint
gst_oss_src_get_format (GstBufferFormat fmt)
{
gint result;
switch (fmt) {
case GST_MU_LAW:
result = AFMT_MU_LAW;
break;
case GST_A_LAW:
result = AFMT_A_LAW;
break;
case GST_IMA_ADPCM:
result = AFMT_IMA_ADPCM;
break;
case GST_U8:
result = AFMT_U8;
break;
case GST_S16_LE:
result = AFMT_S16_LE;
break;
case GST_S16_BE:
result = AFMT_S16_BE;
break;
case GST_S8:
result = AFMT_S8;
break;
case GST_U16_LE:
result = AFMT_U16_LE;
break;
case GST_U16_BE:
result = AFMT_U16_BE;
break;
case GST_MPEG:
result = AFMT_MPEG;
break;
default:
result = 0;
break;
}
return result;
}
static gboolean
gst_oss_src_open (GstAudioSrc * asrc)
{
GstOssSrc *oss;
int mode;
oss = GST_OSS_SRC (asrc);
mode = O_RDONLY;
mode |= O_NONBLOCK;
oss->fd = open (oss->device, mode, 0);
if (oss->fd == -1)
goto open_failed;
if (!oss->mixer) {
oss->mixer = gst_ossmixer_new ("/dev/mixer", GST_OSS_MIXER_CAPTURE);
if (oss->mixer) {
g_free (oss->device_name);
oss->device_name = g_strdup (oss->mixer->cardname);
}
}
return TRUE;
open_failed:
{
GST_ELEMENT_ERROR (oss, RESOURCE, OPEN_READ,
("Unable to open device %s for recording: %s",
oss->device, g_strerror (errno)), (NULL));
return FALSE;
}
}
static gboolean
gst_oss_src_close (GstAudioSrc * asrc)
{
GstOssSrc *oss;
oss = GST_OSS_SRC (asrc);
close (oss->fd);
if (oss->mixer) {
gst_ossmixer_free (oss->mixer);
oss->mixer = NULL;
}
return TRUE;
}
static gboolean
gst_oss_src_prepare (GstAudioSrc * asrc, GstRingBufferSpec * spec)
{
GstOssSrc *oss;
struct audio_buf_info info;
int mode;
int fmt, tmp;
oss = GST_OSS_SRC (asrc);
mode = fcntl (oss->fd, F_GETFL);
mode &= ~O_NONBLOCK;
if (fcntl (oss->fd, F_SETFL, mode) == -1)
goto non_block;
fmt = gst_oss_src_get_format (spec->format);
if (fmt == 0)
goto wrong_format;
tmp = ilog2 (spec->segsize);
tmp = ((spec->segtotal & 0x7fff) << 16) | tmp;
GST_DEBUG_OBJECT (oss, "set segsize: %d, segtotal: %d, value: %08x",
spec->segsize, spec->segtotal, tmp);
SET_PARAM (oss, SNDCTL_DSP_SETFRAGMENT, tmp, "SETFRAGMENT");
SET_PARAM (oss, SNDCTL_DSP_RESET, 0, "RESET");
SET_PARAM (oss, SNDCTL_DSP_SETFMT, fmt, "SETFMT");
if (spec->channels == 2)
SET_PARAM (oss, SNDCTL_DSP_STEREO, 1, "STEREO");
SET_PARAM (oss, SNDCTL_DSP_CHANNELS, spec->channels, "CHANNELS");
SET_PARAM (oss, SNDCTL_DSP_SPEED, spec->rate, "SPEED");
GET_PARAM (oss, SNDCTL_DSP_GETISPACE, &info, "GETISPACE");
spec->segsize = info.fragsize;
spec->segtotal = info.fragstotal;
if (spec->width != 16 && spec->width != 8)
goto dodgy_width;
spec->bytes_per_sample = (spec->width / 8) * spec->channels;
oss->bytes_per_sample = (spec->width / 8) * spec->channels;
memset (spec->silence_sample, 0, spec->bytes_per_sample);
GST_DEBUG_OBJECT (oss, "got segsize: %d, segtotal: %d, value: %08x",
spec->segsize, spec->segtotal, tmp);
return TRUE;
non_block:
{
GST_ELEMENT_ERROR (oss, RESOURCE, OPEN_READ,
("Unable to set device %s in non blocking mode: %s",
oss->device, g_strerror (errno)), (NULL));
return FALSE;
}
wrong_format:
{
GST_ELEMENT_ERROR (oss, RESOURCE, OPEN_READ,
("Unable to get format %d", spec->format), (NULL));
return FALSE;
}
dodgy_width:
{
GST_ELEMENT_ERROR (oss, RESOURCE, OPEN_READ,
("Unexpected width %d", spec->width), (NULL));
return FALSE;
}
}
static gboolean
gst_oss_src_unprepare (GstAudioSrc * asrc)
{
/* could do a SNDCTL_DSP_RESET, but the OSS manual recommends a close/open */
if (!gst_oss_src_close (asrc))
goto couldnt_close;
if (!gst_oss_src_open (asrc))
goto couldnt_reopen;
return TRUE;
couldnt_close:
{
GST_DEBUG_OBJECT (asrc, "Could not close the audio device");
return FALSE;
}
couldnt_reopen:
{
GST_DEBUG_OBJECT (asrc, "Could not reopen the audio device");
return FALSE;
}
}
static guint
gst_oss_src_read (GstAudioSrc * asrc, gpointer data, guint length)
{
return read (GST_OSS_SRC (asrc)->fd, data, length);
}
static guint
gst_oss_src_delay (GstAudioSrc * asrc)
{
GstOssSrc *oss;
gint delay = 0;
gint ret;
oss = GST_OSS_SRC (asrc);
#ifdef SNDCTL_DSP_GETODELAY
ret = ioctl (oss->fd, SNDCTL_DSP_GETODELAY, &delay);
#else
ret = -1;
#endif
if (ret < 0) {
audio_buf_info info;
ret = ioctl (oss->fd, SNDCTL_DSP_GETOSPACE, &info);
delay = (ret < 0 ? 0 : (info.fragstotal * info.fragsize) - info.bytes);
}
return delay / oss->bytes_per_sample;
}
static void
gst_oss_src_reset (GstAudioSrc * asrc)
{
GstOssSrc *oss;
//gint ret;
oss = GST_OSS_SRC (asrc);
/* deadlocks on my machine... */
//ret = ioctl (oss->fd, SNDCTL_DSP_RESET, 0);
}