/* The ElementDetails structure gives a human-readable description
* of the plugin, as well as author and version data.
*/
-static GstElementDetails dvdec_details = GST_ELEMENT_DETAILS (
- "DV (smpte314) decoder plugin",
- "Codec/Decoder/Video",
- "Uses libdv to decode DV video (libdv.sourceforge.net)",
- "Erik Walthinsen <omega@cse.ogi.edu>\n"
- "Wim Taymans <wim.taymans@tvd.be>"
-);
+static GstElementDetails dvdec_details =
+GST_ELEMENT_DETAILS ("DV (smpte314) decoder plugin",
+ "Codec/Decoder/Video",
+ "Uses libdv to decode DV video (libdv.sourceforge.net)",
+ "Erik Walthinsen <omega@cse.ogi.edu>\n" "Wim Taymans <wim.taymans@tvd.be>");
/* These are the signals that this element can fire. They are zero-
* based because the numbers themselves are private to the object.
* LAST_SIGNAL is used for initialization of the signal array.
*/
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
/* Arguments are identified the same way, but cannot be zero, so you
* must leave the ARG_0 entry in as a placeholder.
*/
-enum {
+enum
+{
ARG_0,
ARG_CLAMP_LUMA,
ARG_CLAMP_CHROMA,
* can have. They can be quite complex, but for this dvdec plugin
* they are rather simple.
*/
-static GstStaticPadTemplate sink_temp =
-GST_STATIC_PAD_TEMPLATE
-(
- "sink" ,
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- "video/x-dv, systemstream = (boolean) true"
- )
-);
-
-static GstStaticPadTemplate video_src_temp =
-GST_STATIC_PAD_TEMPLATE
-(
- "video",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- "video/x-raw-yuv, "
- "format = (fourcc) YUY2, "
- "width = (int) 720, "
- "height = (int) { "
- G_STRINGIFY(NTSC_HEIGHT) ", "
- G_STRINGIFY(PAL_HEIGHT)
- " }, "
- "framerate = (double) { "
- G_STRINGIFY(PAL_FRAMERATE) ", "
- G_STRINGIFY(NTSC_FRAMERATE)
- " }; "
-
- "video/x-raw-rgb, "
- "bpp = (int) 32, "
- "depth = (int) 32, "
- "endianness = (int) " G_STRINGIFY(G_BIG_ENDIAN) ", "
- "red_mask = (int) 0x000000ff, "
- "green_mask = (int) 0x0000ff00, "
- "blue_mask = (int) 0x00ff0000, "
- "width = (int) 720, "
- "height = (int) { "
- G_STRINGIFY(NTSC_HEIGHT) ", "
- G_STRINGIFY(PAL_HEIGHT)
- " }, "
- "framerate = (double) { "
- G_STRINGIFY(PAL_FRAMERATE) ", "
- G_STRINGIFY(NTSC_FRAMERATE)
- " }; "
-
- "video/x-raw-rgb, "
- "bpp = (int) 24, "
- "depth = (int) 24, "
- "endianness = (int) " G_STRINGIFY(G_BIG_ENDIAN) ", "
- "red_mask = (int) 0x000000ff, "
- "green_mask = (int) 0x0000ff00, "
- "blue_mask = (int) 0x00ff0000, "
- "width = (int) 720, "
- "height = (int) { "
- G_STRINGIFY(NTSC_HEIGHT) ", "
- G_STRINGIFY(PAL_HEIGHT)
- " }, "
- "framerate = (double) { "
- G_STRINGIFY(PAL_FRAMERATE) ", "
- G_STRINGIFY(NTSC_FRAMERATE)
- " }"
- )
-);
-
-static GstStaticPadTemplate audio_src_temp =
-GST_STATIC_PAD_TEMPLATE
-(
- "audio",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- "audio/x-raw-int, "
- "depth = (int) 16, "
- "width = (int) 16, "
- "signed = (boolean) TRUE, "
- "channels = (int) 2, "
- "endianness = (int) " G_STRINGIFY(G_LITTLE_ENDIAN) ", "
- "rate = (int) [ 4000, 48000 ]"
- )
-);
+static GstStaticPadTemplate sink_temp = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-dv, systemstream = (boolean) true")
+ );
+
+static GstStaticPadTemplate video_src_temp = GST_STATIC_PAD_TEMPLATE ("video",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-raw-yuv, "
+ "format = (fourcc) YUY2, "
+ "width = (int) 720, "
+ "height = (int) { "
+ G_STRINGIFY (NTSC_HEIGHT) ", " G_STRINGIFY (PAL_HEIGHT)
+ " }, "
+ "framerate = (double) { "
+ G_STRINGIFY (PAL_FRAMERATE) ", " G_STRINGIFY (NTSC_FRAMERATE)
+ " }; "
+ "video/x-raw-rgb, "
+ "bpp = (int) 32, "
+ "depth = (int) 32, "
+ "endianness = (int) " G_STRINGIFY (G_BIG_ENDIAN) ", "
+ "red_mask = (int) 0x000000ff, "
+ "green_mask = (int) 0x0000ff00, "
+ "blue_mask = (int) 0x00ff0000, "
+ "width = (int) 720, "
+ "height = (int) { "
+ G_STRINGIFY (NTSC_HEIGHT) ", " G_STRINGIFY (PAL_HEIGHT)
+ " }, "
+ "framerate = (double) { "
+ G_STRINGIFY (PAL_FRAMERATE) ", " G_STRINGIFY (NTSC_FRAMERATE)
+ " }; "
+ "video/x-raw-rgb, "
+ "bpp = (int) 24, "
+ "depth = (int) 24, "
+ "endianness = (int) " G_STRINGIFY (G_BIG_ENDIAN) ", "
+ "red_mask = (int) 0x000000ff, "
+ "green_mask = (int) 0x0000ff00, "
+ "blue_mask = (int) 0x00ff0000, "
+ "width = (int) 720, "
+ "height = (int) { "
+ G_STRINGIFY (NTSC_HEIGHT) ", " G_STRINGIFY (PAL_HEIGHT)
+ " }, "
+ "framerate = (double) { "
+ G_STRINGIFY (PAL_FRAMERATE) ", " G_STRINGIFY (NTSC_FRAMERATE)
+ " }")
+ );
+
+static GstStaticPadTemplate audio_src_temp = GST_STATIC_PAD_TEMPLATE ("audio",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "depth = (int) 16, "
+ "width = (int) 16, "
+ "signed = (boolean) TRUE, "
+ "channels = (int) 2, "
+ "endianness = (int) " G_STRINGIFY (G_LITTLE_ENDIAN) ", "
+ "rate = (int) [ 4000, 48000 ]")
+ );
#define GST_TYPE_DVDEC_QUALITY (gst_dvdec_quality_get_type())
GType
gst_dvdec_quality_get_type (void)
{
static GType qtype = 0;
+
if (qtype == 0) {
static const GFlagsValue values[] = {
- { DV_QUALITY_COLOR, "DV_QUALITY_COLOR", "Color or monochrome decoding" },
- { DV_QUALITY_AC_1, "DV_QUALITY_AC_1", "AC 1 something" },
- { DV_QUALITY_AC_2, "DV_QUALITY_AC_2", "AC 2 something" },
- { 0, NULL, NULL }
+ {DV_QUALITY_COLOR, "DV_QUALITY_COLOR", "Color or monochrome decoding"},
+ {DV_QUALITY_AC_1, "DV_QUALITY_AC_1", "AC 1 something"},
+ {DV_QUALITY_AC_2, "DV_QUALITY_AC_2", "AC 2 something"},
+ {0, NULL, NULL}
};
qtype = g_flags_register_static ("GstDVDecQualityFlags", values);
}
}
/* A number of functon prototypes are given so we can refer to them later. */
-static void gst_dvdec_base_init (gpointer g_class);
-static void gst_dvdec_class_init (GstDVDecClass *klass);
-static void gst_dvdec_init (GstDVDec *dvdec);
-
-static const GstQueryType*
- gst_dvdec_get_src_query_types (GstPad *pad);
-static gboolean gst_dvdec_src_query (GstPad *pad, GstQueryType type,
- GstFormat *format, gint64 *value);
-static const GstFormat* gst_dvdec_get_formats (GstPad *pad);
-static gboolean gst_dvdec_sink_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
- GstFormat *dest_format, gint64 *dest_value);
-static gboolean gst_dvdec_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
- GstFormat *dest_format, gint64 *dest_value);
-
-static GstPadLinkReturn gst_dvdec_video_link (GstPad *pad,
- const GstCaps *caps);
-static GstCaps* gst_dvdec_video_getcaps (GstPad *pad);
-
-static const GstEventMask*
- gst_dvdec_get_event_masks (GstPad *pad);
-static gboolean gst_dvdec_handle_src_event (GstPad *pad, GstEvent *event);
-
-static void gst_dvdec_loop (GstElement *element);
-
-static GstElementStateReturn
- gst_dvdec_change_state (GstElement *element);
-
-static void gst_dvdec_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void gst_dvdec_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
+static void gst_dvdec_base_init (gpointer g_class);
+static void gst_dvdec_class_init (GstDVDecClass * klass);
+static void gst_dvdec_init (GstDVDec * dvdec);
+
+static const GstQueryType *gst_dvdec_get_src_query_types (GstPad * pad);
+static gboolean gst_dvdec_src_query (GstPad * pad, GstQueryType type,
+ GstFormat * format, gint64 * value);
+static const GstFormat *gst_dvdec_get_formats (GstPad * pad);
+static gboolean gst_dvdec_sink_convert (GstPad * pad, GstFormat src_format,
+ gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
+static gboolean gst_dvdec_src_convert (GstPad * pad, GstFormat src_format,
+ gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
+
+static GstPadLinkReturn gst_dvdec_video_link (GstPad * pad,
+ const GstCaps * caps);
+static GstCaps *gst_dvdec_video_getcaps (GstPad * pad);
+
+static const GstEventMask *gst_dvdec_get_event_masks (GstPad * pad);
+static gboolean gst_dvdec_handle_src_event (GstPad * pad, GstEvent * event);
+
+static void gst_dvdec_loop (GstElement * element);
+
+static GstElementStateReturn gst_dvdec_change_state (GstElement * element);
+
+static void gst_dvdec_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_dvdec_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
/* The parent class pointer needs to be kept around for some object
* operations.
if (!dvdec_type) {
static const GTypeInfo dvdec_info = {
- sizeof (GstDVDecClass),
- gst_dvdec_base_init,
+ sizeof (GstDVDecClass),
+ gst_dvdec_base_init,
NULL,
(GClassInitFunc) gst_dvdec_class_init,
NULL,
0,
(GInstanceInitFunc) gst_dvdec_init,
};
- dvdec_type = g_type_register_static (GST_TYPE_ELEMENT, "GstDVDec", &dvdec_info, 0);
+ dvdec_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstDVDec", &dvdec_info, 0);
}
return dvdec_type;
}
* Note that the generated padtemplates are stored in static global
* variables, for the gst_dvdec_init function to use later on.
*/
- gst_element_class_add_pad_template (element_class, gst_static_pad_template_get(&sink_temp));
- gst_element_class_add_pad_template (element_class, gst_static_pad_template_get(&video_src_temp));
- gst_element_class_add_pad_template (element_class, gst_static_pad_template_get(&audio_src_temp));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_temp));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&video_src_temp));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&audio_src_temp));
gst_element_class_set_details (element_class, &dvdec_details);
}
* it, based on the pointer to the function provided above.
*/
static void
-gst_dvdec_class_init (GstDVDecClass *klass)
+gst_dvdec_class_init (GstDVDecClass * klass)
{
/* Class pointers are needed to supply pointers to the private
* implementations of parent class methods.
/* Since the dvdec class contains the parent classes, you can simply
* cast the pointer to get access to the parent classes.
*/
- gobject_class = (GObjectClass*) klass;
- gstelement_class = (GstElementClass*) klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
/* The parent class is needed for class method overrides. */
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CLAMP_LUMA,
- g_param_spec_boolean ("clamp_luma", "Clamp luma", "Clamp luma",
- FALSE, G_PARAM_READWRITE));
+ g_param_spec_boolean ("clamp_luma", "Clamp luma", "Clamp luma",
+ FALSE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CLAMP_CHROMA,
- g_param_spec_boolean ("clamp_chroma", "Clamp chroma", "Clamp chroma",
- FALSE, G_PARAM_READWRITE));
+ g_param_spec_boolean ("clamp_chroma", "Clamp chroma", "Clamp chroma",
+ FALSE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
- g_param_spec_flags ("quality", "Quality", "Decoding quality",
- GST_TYPE_DVDEC_QUALITY, DV_QUALITY_BEST, G_PARAM_READWRITE));
+ g_param_spec_flags ("quality", "Quality", "Decoding quality",
+ GST_TYPE_DVDEC_QUALITY, DV_QUALITY_BEST, G_PARAM_READWRITE));
gobject_class->set_property = gst_dvdec_set_property;
gobject_class->get_property = gst_dvdec_get_property;
-
+
gstelement_class->change_state = gst_dvdec_change_state;
/* table initialization, only do once */
- dv_init(0, 0);
+ dv_init (0, 0);
}
/* This function is responsible for initializing a specific instance of
* the plugin.
*/
static void
-gst_dvdec_init(GstDVDec *dvdec)
+gst_dvdec_init (GstDVDec * dvdec)
{
gint i;
+
dvdec->found_header = FALSE;
- dvdec->sinkpad = gst_pad_new_from_template (gst_static_pad_template_get (&sink_temp), "sink");
+ dvdec->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get (&sink_temp),
+ "sink");
gst_element_add_pad (GST_ELEMENT (dvdec), dvdec->sinkpad);
gst_pad_set_query_function (dvdec->sinkpad, NULL);
- gst_pad_set_convert_function (dvdec->sinkpad, GST_DEBUG_FUNCPTR (gst_dvdec_sink_convert));
- gst_pad_set_formats_function (dvdec->sinkpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_formats));
-
- dvdec->videosrcpad = gst_pad_new_from_template (gst_static_pad_template_get (&video_src_temp), "video");
- gst_pad_set_query_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_src_query));
- gst_pad_set_query_type_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_src_query_types));
- gst_pad_set_event_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_handle_src_event));
- gst_pad_set_event_mask_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_event_masks));
- gst_pad_set_convert_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_src_convert));
- gst_pad_set_formats_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_formats));
- gst_pad_set_getcaps_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_video_getcaps));
- gst_pad_set_link_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_video_link));
+ gst_pad_set_convert_function (dvdec->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_sink_convert));
+ gst_pad_set_formats_function (dvdec->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_get_formats));
+
+ dvdec->videosrcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get (&video_src_temp),
+ "video");
+ gst_pad_set_query_function (dvdec->videosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_src_query));
+ gst_pad_set_query_type_function (dvdec->videosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_get_src_query_types));
+ gst_pad_set_event_function (dvdec->videosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_handle_src_event));
+ gst_pad_set_event_mask_function (dvdec->videosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_get_event_masks));
+ gst_pad_set_convert_function (dvdec->videosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_src_convert));
+ gst_pad_set_formats_function (dvdec->videosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_get_formats));
+ gst_pad_set_getcaps_function (dvdec->videosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_video_getcaps));
+ gst_pad_set_link_function (dvdec->videosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_video_link));
gst_element_add_pad (GST_ELEMENT (dvdec), dvdec->videosrcpad);
-
- dvdec->audiosrcpad = gst_pad_new_from_template (gst_static_pad_template_get (&audio_src_temp), "audio");
- gst_pad_set_query_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_src_query));
- gst_pad_set_query_type_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_src_query_types));
- gst_pad_set_event_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_handle_src_event));
- gst_pad_set_event_mask_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_event_masks));
- gst_pad_set_convert_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_src_convert));
- gst_pad_set_formats_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_formats));
+
+ dvdec->audiosrcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get (&audio_src_temp),
+ "audio");
+ gst_pad_set_query_function (dvdec->audiosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_src_query));
+ gst_pad_set_query_type_function (dvdec->audiosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_get_src_query_types));
+ gst_pad_set_event_function (dvdec->audiosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_handle_src_event));
+ gst_pad_set_event_mask_function (dvdec->audiosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_get_event_masks));
+ gst_pad_set_convert_function (dvdec->audiosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_src_convert));
+ gst_pad_set_formats_function (dvdec->audiosrcpad,
+ GST_DEBUG_FUNCPTR (gst_dvdec_get_formats));
gst_pad_use_explicit_caps (dvdec->audiosrcpad);
- gst_element_add_pad (GST_ELEMENT(dvdec), dvdec->audiosrcpad);
+ gst_element_add_pad (GST_ELEMENT (dvdec), dvdec->audiosrcpad);
gst_element_set_loop_function (GST_ELEMENT (dvdec), gst_dvdec_loop);
dvdec->height = 0;
dvdec->frequency = 0;
dvdec->channels = 0;
-
+
dvdec->clamp_luma = FALSE;
dvdec->clamp_chroma = FALSE;
dvdec->quality = DV_QUALITY_BEST;
dvdec->loop = FALSE;
-
- for (i = 0; i <4; i++) {
- dvdec->audio_buffers[i] = (gint16 *)g_malloc (DV_AUDIO_MAX_SAMPLES * sizeof (gint16));
+
+ for (i = 0; i < 4; i++) {
+ dvdec->audio_buffers[i] =
+ (gint16 *) g_malloc (DV_AUDIO_MAX_SAMPLES * sizeof (gint16));
}
}
-static const GstFormat*
-gst_dvdec_get_formats (GstPad *pad)
+static const GstFormat *
+gst_dvdec_get_formats (GstPad * pad)
{
static const GstFormat src_formats[] = {
GST_FORMAT_BYTES,
GST_FORMAT_TIME,
0
};
-
+
return (GST_PAD_IS_SRC (pad) ? src_formats : sink_formats);
-}
+}
static gboolean
-gst_dvdec_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
- GstFormat *dest_format, gint64 *dest_value)
+gst_dvdec_src_convert (GstPad * pad, GstFormat src_format, gint64 src_value,
+ GstFormat * dest_format, gint64 * dest_value)
{
gboolean res = TRUE;
GstDVDec *dvdec;
gint scale = 1;
-
+
dvdec = GST_DVDEC (gst_pad_get_parent (pad));
if (dvdec->length == 0)
switch (src_format) {
case GST_FORMAT_BYTES:
switch (*dest_format) {
- case GST_FORMAT_TIME:
- default:
- res = FALSE;
+ case GST_FORMAT_TIME:
+ default:
+ res = FALSE;
}
break;
case GST_FORMAT_TIME:
switch (*dest_format) {
- case GST_FORMAT_BYTES:
+ case GST_FORMAT_BYTES:
if (pad == dvdec->videosrcpad)
scale = 720 * dvdec->height * dvdec->bpp;
else if (pad == dvdec->audiosrcpad)
scale = dvdec->decoder->audio->num_channels * 2;
/* fallthrough */
- case GST_FORMAT_DEFAULT:
+ case GST_FORMAT_DEFAULT:
if (pad == dvdec->videosrcpad)
*dest_value = src_value * dvdec->framerate * scale / GST_SECOND;
else if (pad == dvdec->audiosrcpad)
- *dest_value = src_value * dvdec->decoder->audio->frequency * scale / GST_SECOND;
+ *dest_value =
+ src_value * dvdec->decoder->audio->frequency * scale /
+ GST_SECOND;
break;
- default:
- res = FALSE;
+ default:
+ res = FALSE;
}
break;
default:
}
static gboolean
-gst_dvdec_sink_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
- GstFormat *dest_format, gint64 *dest_value)
+gst_dvdec_sink_convert (GstPad * pad, GstFormat src_format, gint64 src_value,
+ GstFormat * dest_format, gint64 * dest_value)
{
gboolean res = TRUE;
GstDVDec *dvdec;
-
+
dvdec = GST_DVDEC (gst_pad_get_parent (pad));
if (dvdec->length == 0)
switch (src_format) {
case GST_FORMAT_BYTES:
switch (*dest_format) {
- case GST_FORMAT_TIME:
+ case GST_FORMAT_TIME:
{
- guint64 frame;
+ guint64 frame;
+
/* get frame number */
- frame = src_value / dvdec->length;
+ frame = src_value / dvdec->length;
- *dest_value = (frame * GST_SECOND) / dvdec->framerate;
- break;
+ *dest_value = (frame * GST_SECOND) / dvdec->framerate;
+ break;
}
- default:
- res = FALSE;
+ default:
+ res = FALSE;
}
break;
case GST_FORMAT_TIME:
switch (*dest_format) {
- case GST_FORMAT_BYTES:
+ case GST_FORMAT_BYTES:
{
- guint64 frame;
- /* calculate the frame */
- frame = src_value * dvdec->framerate / GST_SECOND;
- /* calculate the offset */
- *dest_value = frame * dvdec->length;
- break;
+ guint64 frame;
+
+ /* calculate the frame */
+ frame = src_value * dvdec->framerate / GST_SECOND;
+ /* calculate the offset */
+ *dest_value = frame * dvdec->length;
+ break;
}
- default:
- res = FALSE;
+ default:
+ res = FALSE;
}
break;
default:
return res;
}
-static const GstQueryType*
-gst_dvdec_get_src_query_types (GstPad *pad)
-{
+static const GstQueryType *
+gst_dvdec_get_src_query_types (GstPad * pad)
+{
static const GstQueryType src_query_types[] = {
GST_QUERY_TOTAL,
GST_QUERY_POSITION,
}
static gboolean
-gst_dvdec_src_query (GstPad *pad, GstQueryType type,
- GstFormat *format, gint64 *value)
+gst_dvdec_src_query (GstPad * pad, GstQueryType type,
+ GstFormat * format, gint64 * value)
{
gboolean res = TRUE;
GstDVDec *dvdec;
switch (type) {
case GST_QUERY_TOTAL:
switch (*format) {
- default:
+ default:
{
- guint64 len;
+ guint64 len;
GstFormat tmp_format;
len = gst_bytestream_length (dvdec->bs);
tmp_format = GST_FORMAT_TIME;
- if (len == -1 || !gst_pad_convert (dvdec->sinkpad,
- GST_FORMAT_BYTES,
- len,
- &tmp_format, value))
- {
+ if (len == -1 || !gst_pad_convert (dvdec->sinkpad,
+ GST_FORMAT_BYTES, len, &tmp_format, value)) {
return FALSE;
}
if (!gst_pad_convert (pad, GST_FORMAT_TIME, *value, format, value)) {
return FALSE;
}
- break;
+ break;
}
}
break;
case GST_QUERY_POSITION:
switch (*format) {
- default:
- res = gst_pad_convert (pad, GST_FORMAT_TIME, dvdec->next_ts, format, value);
- break;
+ default:
+ res =
+ gst_pad_convert (pad, GST_FORMAT_TIME, dvdec->next_ts, format,
+ value);
+ break;
}
break;
default:
break;
}
return res;
-}
+}
-static const GstEventMask*
-gst_dvdec_get_event_masks (GstPad *pad)
-{
+static const GstEventMask *
+gst_dvdec_get_event_masks (GstPad * pad)
+{
static const GstEventMask src_event_masks[] = {
- { GST_EVENT_SEEK, GST_SEEK_METHOD_SET |
- GST_SEEK_FLAG_FLUSH },
- { 0, }
+ {GST_EVENT_SEEK, GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH},
+ {0,}
};
static const GstEventMask sink_event_masks[] = {
- { GST_EVENT_EOS, 0 },
- { GST_EVENT_DISCONTINUOUS, 0 },
- { GST_EVENT_FLUSH, 0 },
- { 0, }
+ {GST_EVENT_EOS, 0},
+ {GST_EVENT_DISCONTINUOUS, 0},
+ {GST_EVENT_FLUSH, 0},
+ {0,}
};
return (GST_PAD_IS_SRC (pad) ? src_event_masks : sink_event_masks);
-}
+}
static gboolean
-gst_dvdec_handle_sink_event (GstDVDec *dvdec)
+gst_dvdec_handle_sink_event (GstDVDec * dvdec)
{
guint32 remaining;
GstEvent *event;
GstEventType type;
-
+
gst_bytestream_get_status (dvdec->bs, &remaining, &event);
-
- type = event? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
-
+
+ type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
+
switch (type) {
case GST_EVENT_FLUSH:
break;
format = GST_FORMAT_TIME;
/* try to get a timestamp from the discont formats */
- for (i = 0; i < GST_EVENT_DISCONT_OFFSET_LEN(event); i++) {
- if (gst_pad_convert (dvdec->sinkpad,
- GST_EVENT_DISCONT_OFFSET(event,i).format,
- GST_EVENT_DISCONT_OFFSET(event,i).value,
- &format, &dvdec->next_ts))
- {
- found = TRUE;
+ for (i = 0; i < GST_EVENT_DISCONT_OFFSET_LEN (event); i++) {
+ if (gst_pad_convert (dvdec->sinkpad,
+ GST_EVENT_DISCONT_OFFSET (event, i).format,
+ GST_EVENT_DISCONT_OFFSET (event, i).value,
+ &format, &dvdec->next_ts)) {
+ found = TRUE;
break;
}
}
}
static gboolean
-gst_dvdec_handle_src_event (GstPad *pad, GstEvent *event)
+gst_dvdec_handle_src_event (GstPad * pad, GstEvent * event)
{
gboolean res = TRUE;
GstDVDec *dvdec;
dvdec = GST_DVDEC (gst_pad_get_parent (pad));
-
+
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK_SEGMENT:
{
/* first bring the format to time */
format = GST_FORMAT_TIME;
- if (!gst_pad_convert (pad,
- GST_EVENT_SEEK_FORMAT (event),
- GST_EVENT_SEEK_ENDOFFSET (event),
- &format, &position))
- {
- /* could not convert seek format to time offset */
+ if (!gst_pad_convert (pad,
+ GST_EVENT_SEEK_FORMAT (event),
+ GST_EVENT_SEEK_ENDOFFSET (event), &format, &position)) {
+ /* could not convert seek format to time offset */
res = FALSE;
break;
}
/* first bring the format to time */
format = GST_FORMAT_TIME;
- if (!gst_pad_convert (pad,
- GST_EVENT_SEEK_FORMAT (event),
- GST_EVENT_SEEK_OFFSET (event),
- &format, &position))
- {
- /* could not convert seek format to time offset */
- res = FALSE;
+ if (!gst_pad_convert (pad,
+ GST_EVENT_SEEK_FORMAT (event),
+ GST_EVENT_SEEK_OFFSET (event), &format, &position)) {
+ /* could not convert seek format to time offset */
+ res = FALSE;
break;
}
dvdec->next_ts = position;
/* then try to figure out the byteoffset for this time */
format = GST_FORMAT_BYTES;
if (!gst_pad_convert (dvdec->sinkpad, GST_FORMAT_TIME, position,
- &format, &position))
- {
+ &format, &position)) {
/* could not convert seek format to byte offset */
res = FALSE;
break;
res = FALSE;
}
if (GST_EVENT_TYPE (event) != GST_EVENT_SEEK_SEGMENT)
- dvdec->end_position = -1;
+ dvdec->end_position = -1;
break;
}
default:
return res;
}
-static GstCaps*
-gst_dvdec_video_getcaps (GstPad *pad)
+static GstCaps *
+gst_dvdec_video_getcaps (GstPad * pad)
{
GstDVDec *dvdec;
GstCaps *caps;
GstPadTemplate *src_pad_template;
-
+
dvdec = GST_DVDEC (gst_pad_get_parent (pad));
src_pad_template = gst_static_pad_template_get (&video_src_temp);
- caps = gst_caps_copy(gst_pad_template_get_caps (src_pad_template));
-
- if (dvdec->found_header)
- {
+ caps = gst_caps_copy (gst_pad_template_get_caps (src_pad_template));
+
+ if (dvdec->found_header) {
int i;
-
+
/* set the height */
- for (i = 0; i < gst_caps_get_size (caps); i++)
- {
- GstStructure *structure = gst_caps_get_structure (caps, i);
- gst_structure_set(structure,
- "height", G_TYPE_INT, dvdec->height,
- "framerate", G_TYPE_DOUBLE, dvdec->framerate, NULL
- );
+ for (i = 0; i < gst_caps_get_size (caps); i++) {
+ GstStructure *structure = gst_caps_get_structure (caps, i);
+
+ gst_structure_set (structure,
+ "height", G_TYPE_INT, dvdec->height,
+ "framerate", G_TYPE_DOUBLE, dvdec->framerate, NULL);
}
}
-
+
return caps;
}
-static GstPadLinkReturn
-gst_dvdec_video_link (GstPad *pad, const GstCaps *caps)
+static GstPadLinkReturn
+gst_dvdec_video_link (GstPad * pad, const GstCaps * caps)
{
GstDVDec *dvdec;
GstStructure *structure;
guint32 fourcc;
gint height;
gdouble framerate;
-
+
dvdec = GST_DVDEC (gst_pad_get_parent (pad));
/* if we did not find a header yet, return delayed */
- if (!dvdec->found_header)
- {
+ if (!dvdec->found_header) {
return GST_PAD_LINK_DELAYED;
}
-
+
structure = gst_caps_get_structure (caps, 0);
-
+
/* it worked, try to find what it was again */
if (!gst_structure_get_fourcc (structure, "format", &fourcc) ||
!gst_structure_get_int (structure, "height", &height) ||
!gst_structure_get_double (structure, "framerate", &framerate))
return GST_PAD_LINK_REFUSED;
-
+
if ((height != dvdec->height) || (framerate != dvdec->framerate))
return GST_PAD_LINK_REFUSED;
-
+
if (fourcc == GST_STR_FOURCC ("RGB ")) {
gint bpp;
-
+
gst_structure_get_int (structure, "bpp", &bpp);
if (bpp == 24) {
dvdec->space = e_dv_color_rgb;
dvdec->bpp = 3;
- }
- else {
+ } else {
dvdec->space = e_dv_color_bgr0;
dvdec->bpp = 4;
}
- }
- else {
+ } else {
dvdec->space = e_dv_color_yuv;
dvdec->bpp = 2;
}
-
+
return GST_PAD_LINK_OK;
}
static void
-gst_dvdec_push (GstDVDec *dvdec, GstBuffer *outbuf, GstPad *pad, GstClockTime ts)
-{
+gst_dvdec_push (GstDVDec * dvdec, GstBuffer * outbuf, GstPad * pad,
+ GstClockTime ts)
+{
GST_BUFFER_TIMESTAMP (outbuf) = ts;
if (dvdec->need_discont) {
gst_pad_push (pad, GST_DATA (outbuf));
- if ((dvdec->end_position != -1) &&
- (dvdec->next_ts >= dvdec->end_position)) {
- if (dvdec->loop)
- gst_pad_push (pad, GST_DATA(gst_event_new (GST_EVENT_SEGMENT_DONE)));
+ if ((dvdec->end_position != -1) && (dvdec->next_ts >= dvdec->end_position)) {
+ if (dvdec->loop)
+ gst_pad_push (pad, GST_DATA (gst_event_new (GST_EVENT_SEGMENT_DONE)));
else
- gst_pad_push (pad, GST_DATA(gst_event_new (GST_EVENT_EOS)));
+ gst_pad_push (pad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
}
}
static void
-gst_dvdec_loop (GstElement *element)
-{
+gst_dvdec_loop (GstElement * element)
+{
GstDVDec *dvdec;
GstBuffer *buf, *outbuf;
guint8 *inframe;
gst_dvdec_handle_sink_event (dvdec);
return;
}
- if (dv_parse_header (dvdec->decoder, inframe) < 0)
- {
+ if (dv_parse_header (dvdec->decoder, inframe) < 0) {
GST_ELEMENT_ERROR (dvdec, STREAM, DECODE, (NULL), (NULL));
return;
}
-
+
/* after parsing the header we know the length of the data */
dvdec->PAL = dv_system_50_fields (dvdec->decoder);
dvdec->found_header = TRUE;
-
+
fps = (dvdec->PAL ? PAL_FRAMERATE : NTSC_FRAMERATE);
height = (dvdec->PAL ? PAL_HEIGHT : NTSC_HEIGHT);
length = (dvdec->PAL ? PAL_BUFFER : NTSC_BUFFER);
- if ((dvdec->framerate != fps) ||
- (dvdec->height != height))
- {
+ if ((dvdec->framerate != fps) || (dvdec->height != height)) {
dvdec->height = height;
dvdec->framerate = fps;
-
- if (GST_PAD_LINK_FAILED (gst_pad_renegotiate (dvdec->videosrcpad)))
- {
+
+ if (GST_PAD_LINK_FAILED (gst_pad_renegotiate (dvdec->videosrcpad))) {
GST_ELEMENT_ERROR (dvdec, CORE, NEGOTIATION, (NULL), (NULL));
return;
}
}
-
+
if (length != dvdec->length) {
dvdec->length = length;
gst_bytestream_size_hint (dvdec->bs, length);
gint16 *a_ptr;
gint i, j;
- dv_decode_full_audio (dvdec->decoder, GST_BUFFER_DATA (buf), dvdec->audio_buffers);
+ dv_decode_full_audio (dvdec->decoder, GST_BUFFER_DATA (buf),
+ dvdec->audio_buffers);
if ((dvdec->decoder->audio->frequency != dvdec->frequency) ||
- (dvdec->decoder->audio->num_channels != dvdec->channels))
- {
+ (dvdec->decoder->audio->num_channels != dvdec->channels)) {
if (!gst_pad_set_explicit_caps (dvdec->audiosrcpad,
- gst_caps_new_simple (
- "audio/x-raw-int",
- "rate", G_TYPE_INT, dvdec->decoder->audio->frequency,
- "depth", G_TYPE_INT, 16,
- "width", G_TYPE_INT, 16,
- "signed", G_TYPE_BOOLEAN, TRUE,
- "channels", G_TYPE_INT, dvdec->decoder->audio->num_channels,
- "endianness", G_TYPE_INT, G_LITTLE_ENDIAN,
- NULL
- )))
- {
- gst_buffer_unref (buf);
- GST_ELEMENT_ERROR (dvdec, CORE, NEGOTIATION, (NULL), (NULL));
- return;
+ gst_caps_new_simple ("audio/x-raw-int",
+ "rate", G_TYPE_INT, dvdec->decoder->audio->frequency,
+ "depth", G_TYPE_INT, 16,
+ "width", G_TYPE_INT, 16,
+ "signed", G_TYPE_BOOLEAN, TRUE,
+ "channels", G_TYPE_INT, dvdec->decoder->audio->num_channels,
+ "endianness", G_TYPE_INT, G_LITTLE_ENDIAN, NULL))) {
+ gst_buffer_unref (buf);
+ GST_ELEMENT_ERROR (dvdec, CORE, NEGOTIATION, (NULL), (NULL));
+ return;
}
-
+
dvdec->frequency = dvdec->decoder->audio->frequency;
dvdec->channels = dvdec->decoder->audio->num_channels;
}
-
+
outbuf = gst_buffer_new ();
- GST_BUFFER_SIZE (outbuf) = dvdec->decoder->audio->samples_this_frame *
- sizeof (gint16) * dvdec->decoder->audio->num_channels;
+ GST_BUFFER_SIZE (outbuf) = dvdec->decoder->audio->samples_this_frame *
+ sizeof (gint16) * dvdec->decoder->audio->num_channels;
GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
-
+
a_ptr = (gint16 *) GST_BUFFER_DATA (outbuf);
-
+
for (i = 0; i < dvdec->decoder->audio->samples_this_frame; i++) {
for (j = 0; j < dvdec->decoder->audio->num_channels; j++) {
- *(a_ptr++) = dvdec->audio_buffers[j][i];
+ *(a_ptr++) = dvdec->audio_buffers[j][i];
}
}
gst_dvdec_push (dvdec, outbuf, dvdec->audiosrcpad, ts);
gint outframe_pitches[3];
outbuf = gst_buffer_new_and_alloc ((720 * height) * dvdec->bpp);
-
+
outframe = GST_BUFFER_DATA (outbuf);
outframe_ptrs[0] = outframe;
if (dvdec->bpp < 3) {
outframe_ptrs[1] = outframe_ptrs[0] + 720 * height;
outframe_ptrs[2] = outframe_ptrs[1] + 360 * height;
-
+
outframe_pitches[1] = height / 2;
outframe_pitches[2] = outframe_pitches[1];
}
- dv_decode_full_frame (dvdec->decoder, GST_BUFFER_DATA (buf),
- dvdec->space, outframe_ptrs, outframe_pitches);
+ dv_decode_full_frame (dvdec->decoder, GST_BUFFER_DATA (buf),
+ dvdec->space, outframe_ptrs, outframe_pitches);
gst_dvdec_push (dvdec, outbuf, dvdec->videosrcpad, ts);
}
- if ((dvdec->end_position != -1) &&
- (dvdec->next_ts >= dvdec->end_position) &&
- !dvdec->loop) {
+ if ((dvdec->end_position != -1) &&
+ (dvdec->next_ts >= dvdec->end_position) && !dvdec->loop) {
gst_element_set_eos (GST_ELEMENT (dvdec));
}
}
static GstElementStateReturn
-gst_dvdec_change_state (GstElement *element)
+gst_dvdec_change_state (GstElement * element)
{
GstDVDec *dvdec = GST_DVDEC (element);
-
+
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
dvdec->bs = gst_bytestream_new (dvdec->sinkpad);
- dvdec->decoder = dv_decoder_new (0, dvdec->clamp_luma, dvdec->clamp_chroma);
+ dvdec->decoder =
+ dv_decoder_new (0, dvdec->clamp_luma, dvdec->clamp_chroma);
dvdec->decoder->quality = dvdec->quality;
break;
case GST_STATE_PAUSED_TO_PLAYING:
default:
break;
}
-
+
parent_class->change_state (element);
-
+
return GST_STATE_SUCCESS;
}
* enable the element to respond to various arguments.
*/
static void
-gst_dvdec_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gst_dvdec_set_property (GObject * object, guint prop_id, const GValue * value,
+ GParamSpec * pspec)
{
GstDVDec *dvdec;
/* It's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_DVDEC(object));
+ g_return_if_fail (GST_IS_DVDEC (object));
/* Get a pointer of the right type. */
- dvdec = GST_DVDEC(object);
+ dvdec = GST_DVDEC (object);
/* Check the argument id to see which argument we're setting. */
switch (prop_id) {
/* The set function is simply the inverse of the get fuction. */
static void
-gst_dvdec_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gst_dvdec_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
GstDVDec *dvdec;
/* It's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_DVDEC(object));
- dvdec = GST_DVDEC(object);
+ g_return_if_fail (GST_IS_DVDEC (object));
+ dvdec = GST_DVDEC (object);
switch (prop_id) {
case ARG_CLAMP_LUMA:
* this function is called to register everything that the plugin provides.
*/
static gboolean
-plugin_init (GstPlugin *plugin)
+plugin_init (GstPlugin * plugin)
{
if (!gst_library_load ("gstbytestream"))
return FALSE;
- if (!gst_element_register (plugin, "dvdec", GST_RANK_PRIMARY, gst_dvdec_get_type()))
+ if (!gst_element_register (plugin, "dvdec", GST_RANK_PRIMARY,
+ gst_dvdec_get_type ()))
return FALSE;
return TRUE;
}
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "dvdec",
- "Uses libdv to decode DV video (libdv.sourceforge.net)",
- plugin_init,
- VERSION,
- "LGPL",
- GST_PACKAGE,
- GST_ORIGIN
-);
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "dvdec",
+ "Uses libdv to decode DV video (libdv.sourceforge.net)",
+ plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN);
projects / platform / upstream / gst-plugins-good.git / commitdiff