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ext/sdl/sdlvideosink.c: Fix SDL videosink and did some cleanups.

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Original commit message from CVS:
* ext/sdl/sdlvideosink.c: (gst_sdlvideosink_finalize),
(gst_sdlvideosink_get_times), (gst_sdlvideosink_class_init),
(gst_sdlvideosink_init), (gst_sdlvideosink_lock),
(gst_sdlvideosink_initsdl), (gst_sdlvideosink_create),
(gst_sdlvideosink_show_frame), (gst_sdlvideosink_set_property),
(gst_sdlvideosink_get_property), (gst_sdlvideosink_change_state):
Fix SDL videosink and did some cleanups.
This commit is contained in:
Wim Taymans 2005-10-27 20:16:40 +00:00
parent 76c4048ca8
commit 64997b7f51
2 changed files with 104 additions and 105 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2005-10-27 Wim Taymans <wim@fluendo.com>
* ext/sdl/sdlvideosink.c: (gst_sdlvideosink_finalize),
(gst_sdlvideosink_get_times), (gst_sdlvideosink_class_init),
(gst_sdlvideosink_init), (gst_sdlvideosink_lock),
(gst_sdlvideosink_initsdl), (gst_sdlvideosink_create),
(gst_sdlvideosink_show_frame), (gst_sdlvideosink_set_property),
(gst_sdlvideosink_get_property), (gst_sdlvideosink_change_state):
Fix SDL videosink and did some cleanups.
2005-10-27 Edgard Lima <edgard.lima@indt.org.br>
* ext/sdl/sdlvideosink.c:

199
ext/sdl/sdlvideosink.c
View file

@ -64,9 +64,6 @@ static void gst_sdlvideosink_destroy (GstSDLVideoSink * sdl);
static gboolean gst_sdlvideosink_setcaps (GstBaseSink * bsink, GstCaps * caps);
#if 0
static GstCaps *gst_sdlvideosink_fixate (GstPad * pad, const GstCaps * caps);
#endif
static GstFlowReturn gst_sdlvideosink_show_frame (GstBaseSink * bsink,
GstBuffer * buff);
@ -157,8 +154,7 @@ gst_sdlvideosink_finalize (GObject * obj)
{
g_mutex_free (GST_SDLVIDEOSINK (obj)->lock);
if (((GObjectClass *) parent_class)->finalize)
((GObjectClass *) parent_class)->finalize (obj);
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
static void
@ -170,7 +166,6 @@ gst_sdlvideosink_get_times (GstBaseSink * basesink, GstBuffer * buffer,
timestamp = GST_BUFFER_TIMESTAMP (buffer);
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
*start = timestamp;
duration = GST_BUFFER_DURATION (buffer);
if (GST_CLOCK_TIME_IS_VALID (duration)) {
@ -180,9 +175,7 @@ gst_sdlvideosink_get_times (GstBaseSink * basesink, GstBuffer * buffer,
*end = timestamp + GST_SECOND / sdlvideosink->framerate;
}
}
}
}
static void
@ -196,7 +189,7 @@ gst_sdlvideosink_class_init (GstSDLVideoSinkClass * klass)
gstelement_class = (GstElementClass *) klass;
gstvs_class = (GstBaseSinkClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
parent_class = g_type_class_ref (GST_TYPE_BASE_SINK);
gobject_class->set_property = gst_sdlvideosink_set_property;
gobject_class->get_property = gst_sdlvideosink_get_property;
@ -293,15 +286,6 @@ gst_sdlvideosink_init (GstSDLVideoSink * sdlvideosink)
sdlvideosink->init = FALSE;
sdlvideosink->lock = g_mutex_new ();
#if 0
sdlvideosink->bufferpool = gst_buffer_pool_new (NULL, /* free */
NULL, /* copy */
(GstBufferPoolBufferNewFunction) gst_sdlvideosink_buffer_new, NULL, /* buffer copy, the default is fine */
(GstBufferPoolBufferFreeFunction) gst_sdlvideosink_buffer_free,
sdlvideosink);
#endif
}
static void
@ -372,29 +356,40 @@ static gboolean
gst_sdlvideosink_lock (GstSDLVideoSink * sdlvideosink)
{
/* assure that we've got a screen */
if (!sdlvideosink->screen || !sdlvideosink->overlay) {
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("Tried to lock screen without being set-up"));
return FALSE;
}
if (!sdlvideosink->screen || !sdlvideosink->overlay)
goto no_setup;
/* Lock SDL/yuv-overlay */
if (SDL_MUSTLOCK (sdlvideosink->screen)) {
if (SDL_LockSurface (sdlvideosink->screen) < 0) {
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: couldn't lock the SDL video window: %s", SDL_GetError ()));
return FALSE;
}
}
if (SDL_LockYUVOverlay (sdlvideosink->overlay) < 0) {
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: couldn\'t lock the SDL YUV overlay: %s", SDL_GetError ()));
return FALSE;
if (SDL_LockSurface (sdlvideosink->screen) < 0)
goto could_not_lock;
}
if (SDL_LockYUVOverlay (sdlvideosink->overlay) < 0)
goto lock_yuv;
sdlvideosink->init = TRUE;
return TRUE;
/* ERRORS */
no_setup:
{
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("Tried to lock screen without being set-up"));
return FALSE;
}
could_not_lock:
{
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: couldn't lock the SDL video window: %s", SDL_GetError ()));
return FALSE;
}
lock_yuv:
{
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: couldn\'t lock the SDL YUV overlay: %s", SDL_GetError ()));
return FALSE;
}
}
@ -437,18 +432,23 @@ gst_sdlvideosink_initsdl (GstSDLVideoSink * sdlvideosink)
}
/* Initialize the SDL library */
if (SDL_Init (SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, INIT, (NULL),
("Couldn't initialize SDL: %s", SDL_GetError ()));
g_mutex_unlock (sdlvideosink->lock);
return FALSE;
}
if (SDL_Init (SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0)
goto init_failed;
sdlvideosink->init = TRUE;
g_mutex_unlock (sdlvideosink->lock);
return TRUE;
/* ERRORS */
init_failed:
{
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, INIT, (NULL),
("Couldn't initialize SDL: %s", SDL_GetError ()));
g_mutex_unlock (sdlvideosink->lock);
return FALSE;
}
}
static void
@ -484,31 +484,21 @@ gst_sdlvideosink_create (GstSDLVideoSink * sdlvideosink)
/* create a SDL window of the size requested by the user */
sdlvideosink->screen = SDL_SetVideoMode (GST_VIDEO_SINK_WIDTH (sdlvideosink),
GST_VIDEO_SINK_HEIGHT (sdlvideosink), 0, SDL_HWSURFACE | SDL_RESIZABLE);
if (sdlvideosink->screen == NULL) {
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: Couldn't set %dx%d: %s", GST_VIDEO_SINK_WIDTH (sdlvideosink),
GST_VIDEO_SINK_HEIGHT (sdlvideosink), SDL_GetError ()));
g_mutex_unlock (sdlvideosink->lock);
return FALSE;
}
if (sdlvideosink->screen == NULL)
goto no_screen;
/* create a new YUV overlay */
sdlvideosink->overlay = SDL_CreateYUVOverlay (sdlvideosink->width,
sdlvideosink->height, sdlvideosink->format, sdlvideosink->screen);
if (sdlvideosink->overlay == NULL) {
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: Couldn't create SDL YUV overlay (%dx%d \'" GST_FOURCC_FORMAT
"\'): %s", sdlvideosink->width, sdlvideosink->height,
GST_FOURCC_ARGS (sdlvideosink->format), SDL_GetError ()));
g_mutex_unlock (sdlvideosink->lock);
return FALSE;
} else {
GST_DEBUG ("Using a %dx%d %dbpp SDL screen with a %dx%d \'"
GST_FOURCC_FORMAT "\' YUV overlay", GST_VIDEO_SINK_WIDTH (sdlvideosink),
GST_VIDEO_SINK_HEIGHT (sdlvideosink),
sdlvideosink->screen->format->BitsPerPixel, sdlvideosink->width,
sdlvideosink->height, GST_FOURCC_ARGS (sdlvideosink->format));
}
if (sdlvideosink->overlay == NULL)
goto no_overlay;
GST_DEBUG ("Using a %dx%d %dbpp SDL screen with a %dx%d \'"
GST_FOURCC_FORMAT "\' YUV overlay", GST_VIDEO_SINK_WIDTH (sdlvideosink),
GST_VIDEO_SINK_HEIGHT (sdlvideosink),
sdlvideosink->screen->format->BitsPerPixel, sdlvideosink->width,
sdlvideosink->height, GST_FOURCC_ARGS (sdlvideosink->format));
sdlvideosink->rect.x = 0;
sdlvideosink->rect.y = 0;
@ -523,37 +513,27 @@ gst_sdlvideosink_create (GstSDLVideoSink * sdlvideosink)
g_mutex_unlock (sdlvideosink->lock);
return TRUE;
/* ERRORS */
no_screen:
{
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: Couldn't set %dx%d: %s", GST_VIDEO_SINK_WIDTH (sdlvideosink),
GST_VIDEO_SINK_HEIGHT (sdlvideosink), SDL_GetError ()));
g_mutex_unlock (sdlvideosink->lock);
return FALSE;
}
no_overlay:
{
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: Couldn't create SDL YUV overlay (%dx%d \'" GST_FOURCC_FORMAT
"\'): %s", sdlvideosink->width, sdlvideosink->height,
GST_FOURCC_ARGS (sdlvideosink->format), SDL_GetError ()));
g_mutex_unlock (sdlvideosink->lock);
return FALSE;
}
}
#if 0
static GstCaps *
gst_sdlvideosink_fixate (GstPad * pad, const GstCaps * caps)
{
GstStructure *structure;
GstCaps *newcaps;
if (gst_caps_get_size (caps) > 1)
return NULL;
newcaps = gst_caps_copy (caps);
structure = gst_caps_get_structure (newcaps, 0);
if (gst_caps_structure_fixate_field_nearest_int (structure, "width", 320)) {
return newcaps;
}
if (gst_caps_structure_fixate_field_nearest_int (structure, "height", 240)) {
return newcaps;
}
if (gst_caps_structure_fixate_field_nearest_double (structure, "framerate",
30.0)) {
return newcaps;
}
gst_caps_unref (newcaps);
return NULL;
}
#endif
static gboolean
gst_sdlvideosink_setcaps (GstBaseSink * bsink, GstCaps * vscapslist)
{
@ -591,15 +571,12 @@ gst_sdlvideosink_show_frame (GstBaseSink * bsink, GstBuffer * buf)
sdlvideosink = GST_SDLVIDEOSINK (bsink);
if (!sdlvideosink->init ||
!sdlvideosink->overlay || !sdlvideosink->overlay->pixels) {
g_print ("Not Init!\n");
return GST_FLOW_ERROR;
}
!sdlvideosink->overlay || !sdlvideosink->overlay->pixels)
goto not_init;
if (GST_BUFFER_DATA (buf) != sdlvideosink->overlay->pixels[0]) {
if (!gst_sdlvideosink_lock (sdlvideosink)) {
return GST_FLOW_ERROR;
}
if (!gst_sdlvideosink_lock (sdlvideosink))
goto cannot_lock;
/* buf->yuv - FIXME: bufferpool! */
if (sdlvideosink->format == SDL_IYUV_OVERLAY ||
@ -617,7 +594,6 @@ gst_sdlvideosink_show_frame (GstBaseSink * bsink, GstBuffer * buf)
memcpy (sdlvideosink->overlay->pixels[0], GST_BUFFER_DATA (buf),
sdlvideosink->width * sdlvideosink->height * 2);
}
gst_sdlvideosink_unlock (sdlvideosink);
}
@ -635,9 +611,20 @@ gst_sdlvideosink_show_frame (GstBaseSink * bsink, GstBuffer * buf)
}
}
return GST_FLOW_OK;
/* ERRORS */
not_init:
{
GST_ELEMENT_ERROR (sdlvideosink, CORE, NEGOTIATION, (NULL),
("not negotiated."));
return GST_FLOW_NOT_NEGOTIATED;
}
cannot_lock:
{
/* lock function posted detailed message */
return GST_FLOW_ERROR;
}
}
@ -647,7 +634,6 @@ gst_sdlvideosink_set_property (GObject * object, guint prop_id,
{
GstSDLVideoSink *sdlvideosink;
g_return_if_fail (GST_IS_SDLVIDEOSINK (object));
sdlvideosink = GST_SDLVIDEOSINK (object);
switch (prop_id) {
@ -664,7 +650,6 @@ gst_sdlvideosink_get_property (GObject * object, guint prop_id, GValue * value,
{
GstSDLVideoSink *sdlvideosink;
g_return_if_fail (GST_IS_SDLVIDEOSINK (object));
sdlvideosink = GST_SDLVIDEOSINK (object);
switch (prop_id) {
@ -688,15 +673,14 @@ gst_sdlvideosink_change_state (GstElement * element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!gst_sdlvideosink_initsdl (sdlvideosink))
return GST_STATE_CHANGE_FAILURE;
goto init_failed;
GST_OBJECT_FLAG_SET (sdlvideosink, GST_SDLVIDEOSINK_OPEN);
break;
default: /* do nothing */
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
@ -710,9 +694,14 @@ gst_sdlvideosink_change_state (GstElement * element, GstStateChange transition)
default: /* do nothing */
break;
}
return ret;
return GST_STATE_CHANGE_SUCCESS;
init_failed:
{
/* method posted detailed error message */
GST_DEBUG_OBJECT (sdlvideosink, "init failed");
return GST_STATE_CHANGE_FAILURE;
}
}