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omxvideodec: Make sink/src pad template caps configurable

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This commit is contained in:
Sebastian Dröge 2011-07-12 11:36:42 +02:00
parent 2023754bcf
commit a24cdd41bc
4 changed files with 72 additions and 48 deletions
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26
omx/gstomxh264dec.c
View file

@ -50,32 +50,11 @@ enum
GST_BOILERPLATE_FULL (GstOMXH264Dec, gst_omx_h264_dec,
GstOMXVideoDec, GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT);
static GstStaticPadTemplate gst_omx_h264_dec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-h264, "
"parsed=(boolean) true, "
"alignment=(string)au, " "stream-format=(string) {avc, byte-stream}")
);
static GstStaticPadTemplate gst_omx_h264_dec_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
);
static void
gst_omx_h264_dec_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_omx_h264_dec_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_omx_h264_dec_sink_template));
gst_element_class_set_details_simple (element_class,
"OpenMAX H264 Video Decoder",
"Codec/Decoder/Video",
@ -94,6 +73,11 @@ gst_omx_h264_dec_class_init (GstOMXH264DecClass * klass)
videodec_class->is_format_change =
GST_DEBUG_FUNCPTR (gst_omx_h264_dec_is_format_change);
videodec_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_h264_dec_set_format);
videodec_class->default_sink_template_caps = "video/x-h264, "
"parsed=(boolean) true, "
"alignment=(string)au, " "stream-format=(string) avc";
videodec_class->default_src_template_caps = GST_VIDEO_CAPS_YUV ("I420");
}
static void

30
omx/gstomxmpeg4videodec.c
View file

@ -50,34 +50,11 @@ enum
GST_BOILERPLATE_FULL (GstOMXMPEG4VideoDec, gst_omx_mpeg4_video_dec,
GstOMXVideoDec, GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT);
static GstStaticPadTemplate gst_omx_mpeg4_video_dec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/mpeg, "
"mpegversion=(int) 4, "
"systemstream=(boolean) false, "
"parsed=(boolean) true, "
"width=(int) [ 16, 4096 ], " "height=(int) [ 16, 4096 ]")
);
static GstStaticPadTemplate gst_omx_mpeg4_video_dec_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
);
static void
gst_omx_mpeg4_video_dec_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_omx_mpeg4_video_dec_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_omx_mpeg4_video_dec_sink_template));
gst_element_class_set_details_simple (element_class,
"OpenMAX MPEG4 Video Decoder",
"Codec/Decoder/Video",
@ -97,6 +74,13 @@ gst_omx_mpeg4_video_dec_class_init (GstOMXMPEG4VideoDecClass * klass)
GST_DEBUG_FUNCPTR (gst_omx_mpeg4_video_dec_is_format_change);
videodec_class->set_format =
GST_DEBUG_FUNCPTR (gst_omx_mpeg4_video_dec_set_format);
videodec_class->default_sink_template_caps = "video/mpeg, "
"mpegversion=(int) 4, "
"systemstream=(boolean) false, "
"parsed=(boolean) true, "
"width=(int) [ 16, 4096 ], " "height=(int) [ 16, 4096 ]";
videodec_class->default_src_template_caps = GST_VIDEO_CAPS_YUV ("I420");
}
static void

61
omx/gstomxvideodec.c
View file

@ -77,12 +77,16 @@ GST_BOILERPLATE_FULL (GstOMXVideoDec, gst_omx_video_dec, GstBaseVideoDecoder,
static void
gst_omx_video_dec_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstOMXVideoDecClass *videodec_class = GST_OMX_VIDEO_DEC_CLASS (g_class);
GKeyFile *config;
const gchar *element_name;
GError *err;
gchar *core_name, *component_name;
gint in_port_index, out_port_index;
gchar *template_caps;
GstPadTemplate *templ;
GstCaps *caps;
element_name =
g_type_get_qdata (G_TYPE_FROM_CLASS (g_class),
@ -124,6 +128,59 @@ gst_omx_video_dec_base_init (gpointer g_class)
g_error_free (err);
}
videodec_class->out_port_index = out_port_index;
/* Add pad templates */
err = NULL;
if (!(template_caps =
g_key_file_get_string (config, element_name, "sink-template-caps",
&err))) {
GST_DEBUG
("No sink template caps specified for element '%s', using default '%s'",
element_name, videodec_class->default_sink_template_caps);
caps = gst_caps_from_string (videodec_class->default_sink_template_caps);
g_assert (caps != NULL);
g_error_free (err);
} else {
caps = gst_caps_from_string (template_caps);
if (!caps) {
GST_DEBUG
("Could not parse sink template caps '%s' for element '%s', using default '%s'",
template_caps, element_name,
videodec_class->default_sink_template_caps);
caps = gst_caps_from_string (videodec_class->default_sink_template_caps);
g_assert (caps != NULL);
}
}
templ = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
g_free (template_caps);
gst_element_class_add_pad_template (element_class, templ);
gst_object_unref (templ);
err = NULL;
if (!(template_caps =
g_key_file_get_string (config, element_name, "src-template-caps",
&err))) {
GST_DEBUG
("No src template caps specified for element '%s', using default '%s'",
element_name, videodec_class->default_src_template_caps);
caps = gst_caps_from_string (videodec_class->default_src_template_caps);
g_assert (caps != NULL);
g_error_free (err);
} else {
caps = gst_caps_from_string (template_caps);
if (!caps) {
GST_DEBUG
("Could not parse src template caps '%s' for element '%s', using default '%s'",
template_caps, element_name,
videodec_class->default_src_template_caps);
caps = gst_caps_from_string (videodec_class->default_src_template_caps);
g_assert (caps != NULL);
}
}
templ = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps);
g_free (template_caps);
gst_element_class_add_pad_template (element_class, templ);
gst_object_unref (templ);
}
static void
@ -150,9 +207,6 @@ gst_omx_video_dec_class_init (GstOMXVideoDecClass * klass)
GST_DEBUG_FUNCPTR (gst_omx_video_dec_handle_frame);
base_video_decoder_class->finish =
GST_DEBUG_FUNCPTR (gst_omx_video_dec_finish);
klass->in_port_index = 0;
klass->out_port_index = 1;
}
static void
@ -177,7 +231,6 @@ gst_omx_video_dec_open (GstOMXVideoDec * self)
GST_CLOCK_TIME_NONE) != OMX_StateLoaded)
return FALSE;
/* FIXME: Always 0 == input, 1 == output? Make configurable? Let subclass decide? */
self->in_port =
gst_omx_component_add_port (self->component, klass->in_port_index);
self->out_port =

3
omx/gstomxvideodec.h
View file

@ -64,6 +64,9 @@ struct _GstOMXVideoDecClass
const gchar *core_name;
const gchar *component_name;
const gchar *default_src_template_caps;
const gchar *default_sink_template_caps;
guint32 in_port_index, out_port_index;
gboolean (*is_format_change) (GstOMXVideoDec * self, GstOMXPort * port, GstVideoState * state);