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gstreamer/sys/dxr3/dxr3spusink.c
Ronald S. Bultje 575e9fc0ce sys/dxr3/: Fix more error error error errors (missing includes here). 
Original commit message from CVS:
2004-01-20  Ronald Bultje  <rbultje@ronald.bitfreak.net>

* sys/dxr3/dxr3audiosink.c:
* sys/dxr3/dxr3init.c:
* sys/dxr3/dxr3spusink.c: (dxr3spusink_close):
* sys/dxr3/dxr3videosink.c: (dxr3videosink_close):
Fix more error error error errors (missing includes here).
2004-01-20 13:34:41 +00:00

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/* GStreamer
* Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
*
* dxr3spusink.h: Subpicture sink for em8300 based cards.
*
* 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 <errno.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <linux/em8300.h>
#include <gst/gst-i18n-plugin.h>
#include <gst/gst.h>
#include "dxr3spusink.h"
#include "dxr3marshal.h"
#include "dxr3common.h"
/* ElementFactory information. */
static GstElementDetails dxr3spusink_details = {
"dxr3/Hollywood+ mpeg decoder board subpicture element",
"Sink/Video",
"Feeds subpicture information to Sigma Designs em8300 based boards",
"Martin Soto <martinsoto@users.sourceforge.net>"
};
/* Dxr3SpuSink signals and args */
enum {
SET_CLUT_SIGNAL,
HIGHLIGHT_ON_SIGNAL,
HIGHLIGHT_OFF_SIGNAL,
SIGNAL_FLUSHED,
LAST_SIGNAL
};
enum {
ARG_0,
};
static GstStaticPadTemplate dxr3spusink_sink_factory =
GST_STATIC_PAD_TEMPLATE (
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY
);
static void dxr3spusink_class_init (Dxr3SpuSinkClass *klass);
static void dxr3spusink_base_init (Dxr3SpuSinkClass *klass);
static void dxr3spusink_init (Dxr3SpuSink *dxr3spusink);
static void dxr3spusink_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void dxr3spusink_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static gboolean dxr3spusink_open (Dxr3SpuSink *sink);
static void dxr3spusink_close (Dxr3SpuSink *sink);
static void dxr3spusink_set_clock (GstElement *element,
GstClock *clock);
static gboolean dxr3spusink_handle_event (GstPad *pad, GstEvent *event);
static void dxr3spusink_chain (GstPad *pad,GstData *_data);
static GstElementStateReturn dxr3spusink_change_state (GstElement *element);
/* static void dxr3spusink_wait (Dxr3SpuSink *sink, */
/* GstClockTime time); */
static void dxr3spusink_set_clut (Dxr3SpuSink *sink,
const guint32 *clut);
static void dxr3spusink_highlight_on (Dxr3SpuSink *sink,
unsigned palette,
unsigned sx, unsigned sy,
unsigned ex, unsigned ey,
unsigned pts);
static void dxr3spusink_highlight_off (Dxr3SpuSink *sink);
static void dxr3spusink_flushed (Dxr3SpuSink *sink);
static GstElementClass *parent_class = NULL;
static guint dxr3spusink_signals[LAST_SIGNAL] = { 0 };
GType
dxr3spusink_get_type (void)
{
static GType dxr3spusink_type = 0;
if (!dxr3spusink_type) {
static const GTypeInfo dxr3spusink_info = {
sizeof (Dxr3SpuSinkClass),
(GBaseInitFunc)dxr3spusink_base_init,
NULL,
(GClassInitFunc)dxr3spusink_class_init,
NULL,
NULL,
sizeof (Dxr3SpuSink),
0,
(GInstanceInitFunc)dxr3spusink_init,
};
dxr3spusink_type = g_type_register_static (GST_TYPE_ELEMENT,
"Dxr3SpuSink",
&dxr3spusink_info, 0);
}
return dxr3spusink_type;
}
static void
dxr3spusink_base_init (Dxr3SpuSinkClass *klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&dxr3spusink_sink_factory));
gst_element_class_set_details (element_class,
&dxr3spusink_details);
}
static void
dxr3spusink_class_init (Dxr3SpuSinkClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
dxr3spusink_signals[SET_CLUT_SIGNAL] =
g_signal_new ("set_clut",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (Dxr3SpuSinkClass, set_clut),
NULL, NULL,
dxr3_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
dxr3spusink_signals[HIGHLIGHT_ON_SIGNAL] =
g_signal_new ("highlight_on",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (Dxr3SpuSinkClass, highlight_on),
NULL, NULL,
dxr3_marshal_VOID__UINT_UINT_UINT_UINT_UINT_UINT,
G_TYPE_NONE, 6,
G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT,
G_TYPE_UINT, G_TYPE_UINT);
dxr3spusink_signals[HIGHLIGHT_OFF_SIGNAL] =
g_signal_new ("highlight_off",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (Dxr3SpuSinkClass, highlight_off),
NULL, NULL,
dxr3_marshal_VOID__VOID,
G_TYPE_NONE, 0);
dxr3spusink_signals[SIGNAL_FLUSHED] =
g_signal_new ("flushed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (Dxr3SpuSinkClass, flushed),
NULL, NULL,
dxr3_marshal_VOID__VOID,
G_TYPE_NONE, 0);
klass->set_clut = dxr3spusink_set_clut;
klass->highlight_on = dxr3spusink_highlight_on;
klass->highlight_off = dxr3spusink_highlight_off;
klass->flushed = dxr3spusink_flushed;
gobject_class->set_property = dxr3spusink_set_property;
gobject_class->get_property = dxr3spusink_get_property;
gstelement_class->change_state = dxr3spusink_change_state;
gstelement_class->set_clock = dxr3spusink_set_clock;
}
static void
dxr3spusink_init (Dxr3SpuSink *sink)
{
GstPad *pad;
pad = gst_pad_new_from_template (
gst_static_pad_template_get (&dxr3spusink_sink_factory), "sink");
gst_element_add_pad (GST_ELEMENT (sink), pad);
gst_pad_set_chain_function (pad, dxr3spusink_chain);
GST_FLAG_SET (GST_ELEMENT (sink), GST_ELEMENT_EVENT_AWARE);
sink->card_number = 0;
sink->spu_filename = NULL;
sink->spu_fd = -1;
sink->control_filename = NULL;
sink->control_fd = -1;
sink->clock = NULL;
}
static void
dxr3spusink_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
Dxr3SpuSink *sink;
/* it's not null if we got it, but it might not be ours */
sink = DXR3SPUSINK (object);
switch (prop_id) {
default:
break;
}
}
static void
dxr3spusink_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
Dxr3SpuSink *sink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_DXR3SPUSINK (object));
sink = DXR3SPUSINK (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
dxr3spusink_open (Dxr3SpuSink *sink)
{
g_return_val_if_fail (!GST_FLAG_IS_SET (sink,
DXR3SPUSINK_OPEN), FALSE);
/* Compute the name of the spu device file. */
sink->spu_filename = g_strdup_printf ("/dev/em8300_sp-%d",
sink->card_number );
sink->spu_fd = open (sink->spu_filename, O_WRONLY);
if (sink->spu_fd < 0) {
gst_element_error (sink, RESOURCE, OPEN_WRITE,
(_("Could not open spu device \"%s\" for writing"), sink->spu_filename), GST_ERROR_SYSTEM);
return FALSE;
}
/* Open the control device. */
sink->control_filename = g_strdup_printf ("/dev/em8300-%d",
sink->card_number );
sink->control_fd = open (sink->control_filename, O_WRONLY);
if (sink->control_fd < 0) {
gst_element_error (sink, RESOURCE, OPEN_WRITE,
(_("Could not open control device \"%s\" for writing"), sink->control_filename), GST_ERROR_SYSTEM);
return FALSE;
}
GST_FLAG_SET (sink, DXR3SPUSINK_OPEN);
return TRUE;
}
static void
dxr3spusink_close (Dxr3SpuSink *sink)
{
g_return_if_fail (GST_FLAG_IS_SET (sink, DXR3SPUSINK_OPEN));
if (close (sink->spu_fd) != 0) {
gst_element_error (sink, RESOURCE, CLOSE,
(_("Could not close spu device \"%s\""), sink->spu_filename),
GST_ERROR_SYSTEM);
return;
}
if (close (sink->control_fd) != 0)
{
gst_element_error (sink, RESOURCE, CLOSE,
(_("Could not close control device \"%s\""), sink->control_filename),
GST_ERROR_SYSTEM);
return;
}
GST_FLAG_UNSET (sink, DXR3SPUSINK_OPEN);
free (sink->spu_filename);
sink->spu_filename = NULL;
}
static void
dxr3spusink_set_clock (GstElement *element, GstClock *clock)
{
Dxr3SpuSink *src = DXR3SPUSINK (element);
src->clock = clock;
}
static gboolean
dxr3spusink_handle_event (GstPad *pad, GstEvent *event)
{
GstEventType type;
Dxr3SpuSink *sink;
sink = DXR3SPUSINK (gst_pad_get_parent (pad));
type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
switch (type) {
case GST_EVENT_FLUSH:
if (sink->control_fd >= 0) {
int subdevice;
subdevice = EM8300_SUBDEVICE_SUBPICTURE;
ioctl (sink->control_fd, EM8300_IOCTL_FLUSH, &subdevice);
/* FIXME: There should be a nicer way to do this, but I tried
everything and nothing else seems to really reset the video
fifo. */
/* dxr3spusink_close (sink); */
/* dxr3spusink_open (sink); */
/* Report the flush operation. */
g_signal_emit (G_OBJECT (sink),
dxr3spusink_signals[SIGNAL_FLUSHED], 0);
}
break;
default:
gst_pad_event_default (pad, event);
break;
}
return TRUE;
}
static void
dxr3spusink_chain (GstPad *pad, GstData *_data)
{
GstBuffer *buf = GST_BUFFER (_data);
Dxr3SpuSink *sink;
gint bytes_written = 0;
g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_PAD (pad));
g_return_if_fail (buf != NULL);
sink = DXR3SPUSINK (gst_pad_get_parent (pad));
if (GST_IS_EVENT (buf)) {
dxr3spusink_handle_event (pad, GST_EVENT (buf));
return;
}
if (GST_FLAG_IS_SET (sink, DXR3SPUSINK_OPEN)) {
/* If we have PTS information for the SPU unit, register it now.
The card needs the PTS to be written *before* the actual data. */
if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
guint pts = (guint) GSTTIME_TO_MPEGTIME (GST_BUFFER_TIMESTAMP (buf));
ioctl (sink->spu_fd, EM8300_IOCTL_SPU_SETPTS, &pts);
}
bytes_written = write (sink->spu_fd, GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf));
if (bytes_written < GST_BUFFER_SIZE (buf)) {
fprintf (stderr, "dxr3spusink: Warning: %d bytes should be written,"
" only %d bytes written\n",
GST_BUFFER_SIZE (buf), bytes_written);
}
}
gst_buffer_unref (buf);
}
static GstElementStateReturn
dxr3spusink_change_state (GstElement *element)
{
g_return_val_if_fail (GST_IS_DXR3SPUSINK (element), GST_STATE_FAILURE);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
if (!GST_FLAG_IS_SET (element, DXR3SPUSINK_OPEN)) {
if (!dxr3spusink_open (DXR3SPUSINK (element))) {
return GST_STATE_FAILURE;
}
}
break;
case GST_STATE_READY_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_PLAYING:
break;
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
break;
case GST_STATE_READY_TO_NULL:
if (GST_FLAG_IS_SET (element, DXR3SPUSINK_OPEN)) {
dxr3spusink_close (DXR3SPUSINK (element));
}
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state) {
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
}
return GST_STATE_SUCCESS;
}
#if 0
/**
* dxr3spusink_wait:
* Make the sink wait the specified amount of time.
*/
static void
dxr3spusink_wait (Dxr3SpuSink *sink, GstClockTime time)
{
GstClockID id;
GstClockTimeDiff jitter;
GstClockReturn ret;
GstClockTime current_time = gst_clock_get_time (sink->clock);
id = gst_clock_new_single_shot_id (sink->clock, current_time + time);
ret = gst_clock_id_wait (id, &jitter);
gst_clock_id_free (id);
}
#endif
/**
* dxr3spusink_set_clut:
*
* Set a new SPU color lookup table (clut) in the dxr3 card.
*/
static void
dxr3spusink_set_clut (Dxr3SpuSink *sink, const guint32 *clut)
{
guint32 clut_fixed[16];
int i;
/* Fix the byte order of the table. */
for (i=0; i<16; i++) {
clut_fixed[i] = GUINT32_TO_LE (clut[i]);
}
if (ioctl (sink->spu_fd, EM8300_IOCTL_SPU_SETPALETTE, clut_fixed))
fprintf (stderr, "dxr3spusink: failed to set CLUT (%s)\n",
strerror (errno));
}
static void
dxr3spusink_highlight_on (Dxr3SpuSink *sink, unsigned palette,
unsigned sx, unsigned sy,
unsigned ex, unsigned ey,
unsigned pts)
{
em8300_button_t btn;
btn.color = palette >> 16;
btn.contrast = palette;
btn.left = sx;
btn.top = sy;
btn.right = ex;
btn.bottom = ey;
if (ioctl (sink->spu_fd, EM8300_IOCTL_SPU_BUTTON, &btn)) {
fprintf (stderr, "dxr3spusink: failed to set spu button (%s)\n",
strerror (errno));
}
}
static void
dxr3spusink_highlight_off (Dxr3SpuSink *sink)
{
if (ioctl (sink->spu_fd, EM8300_IOCTL_SPU_BUTTON, NULL)) {
fprintf (stderr, "dxr3spusink: failed to set spu button (%s)\n",
strerror (errno));
}
}
/**
* dxr3spusink_flushed:
*
* Default do nothing implementation for the "flushed" signal. The
* "flushed" signal will be fired right after flushing the hardware
* queues due to a received flush event
*/
static void
dxr3spusink_flushed (Dxr3SpuSink *sink)
{
/* Do nothing. */
}
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