#include "gstjpegdec.h"
#include <gst/video/video.h>
-static GstPadTemplate *jpegdec_src_template, *jpegdec_sink_template;
-
/* elementfactory information */
GstElementDetails gst_jpegdec_details = {
"JPEG image decoder",
return jpegdec_type;
}
-static GstCaps*
-jpeg_caps_factory (void)
-{
- return gst_caps_new_simple ("image/jpeg",
- "width", GST_TYPE_INT_RANGE, 16, 4096,
- "height", GST_TYPE_INT_RANGE, 16, 4096,
- "framerate", GST_TYPE_DOUBLE_RANGE, 0.0, G_MAXDOUBLE,
- NULL);
-}
-
-static GstCaps*
-raw_caps_factory (void)
-{
- return gst_caps_from_string (GST_VIDEO_CAPS_YUV ("I420"));
-}
+static GstStaticPadTemplate gst_jpegdec_src_pad_template =
+GST_STATIC_PAD_TEMPLATE (
+ "src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV("I420"))
+);
+
+static GstStaticPadTemplate gst_jpegdec_sink_pad_template =
+GST_STATIC_PAD_TEMPLATE (
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("image/jpeg, "
+ "width = (int) [ 16, 4096 ], "
+ "height = (int) [ 16, 4096 ], "
+ "framerate = (double) [ 1, MAX ]"
+ )
+);
static void
gst_jpegdec_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
- GstCaps *raw_caps, *jpeg_caps;
-
- raw_caps = raw_caps_factory ();
- jpeg_caps = jpeg_caps_factory ();
- jpegdec_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
- GST_PAD_ALWAYS,
- jpeg_caps);
- jpegdec_src_template = gst_pad_template_new ("src", GST_PAD_SRC,
- GST_PAD_ALWAYS,
- raw_caps);
- gst_element_class_add_pad_template (element_class, jpegdec_sink_template);
- gst_element_class_add_pad_template (element_class, jpegdec_src_template);
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_jpegdec_src_pad_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_jpegdec_sink_pad_template));
gst_element_class_set_details (element_class, &gst_jpegdec_details);
}
{
GST_DEBUG ("gst_jpegdec_init: initializing");
/* create the sink and src pads */
- jpegdec->sinkpad = gst_pad_new_from_template (jpegdec_sink_template, "sink");
+
+ jpegdec->sinkpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&gst_jpegdec_sink_pad_template), "sink");
gst_element_add_pad(GST_ELEMENT(jpegdec),jpegdec->sinkpad);
gst_pad_set_chain_function(jpegdec->sinkpad,gst_jpegdec_chain);
gst_pad_set_link_function(jpegdec->sinkpad, gst_jpegdec_link);
- jpegdec->srcpad = gst_pad_new_from_template (jpegdec_src_template, "src");
+
+ jpegdec->srcpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&gst_jpegdec_src_pad_template), "src");
gst_pad_use_explicit_caps (jpegdec->srcpad);
gst_element_add_pad(GST_ELEMENT(jpegdec),jpegdec->srcpad);
outdata = GST_BUFFER_DATA(outbuf) = g_malloc(outsize);
GST_BUFFER_TIMESTAMP(outbuf) = GST_BUFFER_TIMESTAMP(buf);
- if (jpegdec->height != height) {
+ if (jpegdec->height != height || jpegdec->line[0] == NULL) {
+ GstCaps *caps;
+
jpegdec->line[0] = g_realloc(jpegdec->line[0], height*sizeof(char*));
jpegdec->line[1] = g_realloc(jpegdec->line[1], height*sizeof(char*));
jpegdec->line[2] = g_realloc(jpegdec->line[2], height*sizeof(char*));
jpegdec->height = height;
- gst_pad_set_explicit_caps (jpegdec->srcpad,
- gst_caps_new_simple ("video/x-raw-yuv",
+ caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I','4','2','0'),
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", G_TYPE_DOUBLE, jpegdec->fps,
- NULL));
+ NULL);
+ gst_pad_set_explicit_caps (jpegdec->srcpad, caps);
+ gst_caps_free (caps);
}
/* mind the swap, jpeglib outputs blue chroma first */
enum {
ARG_0,
+ ARG_QUALITY,
+ ARG_SMOOTHING,
/* FILL ME */
};
static void gst_jpegenc_chain (GstPad *pad, GstData *_data);
static GstPadLinkReturn gst_jpegenc_link (GstPad *pad, const GstCaps *caps);
+static GstCaps * gst_jpegenc_getcaps (GstPad *pad);
static void gst_jpegenc_resync (GstJpegEnc *jpegenc);
+static void gst_jpegenc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec);
+static void gst_jpegenc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec);
static GstElementClass *parent_class = NULL;
static guint gst_jpegenc_signals[LAST_SIGNAL] = { 0 };
-static GstPadTemplate *jpegenc_src_template, *jpegenc_sink_template;
GType
gst_jpegenc_get_type (void)
return jpegenc_type;
}
-static GstCaps*
-jpeg_caps_factory (void)
-{
- return gst_caps_new_simple ("video/x-jpeg",
- "width", GST_TYPE_INT_RANGE, 16, 4096,
- "height", GST_TYPE_INT_RANGE, 16, 4096,
- "framerate", GST_TYPE_DOUBLE_RANGE, 0.0, G_MAXDOUBLE,
- NULL);
-}
-
-static GstCaps*
-raw_caps_factory (void)
-{
- return gst_caps_from_string (GST_VIDEO_CAPS_YUV ("I420"));
-}
+static GstStaticPadTemplate gst_jpegenc_sink_pad_template =
+GST_STATIC_PAD_TEMPLATE (
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV("I420"))
+);
+
+static GstStaticPadTemplate gst_jpegenc_src_pad_template =
+GST_STATIC_PAD_TEMPLATE (
+ "src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("image/jpeg, "
+ "width = (int) [ 16, 4096 ], "
+ "height = (int) [ 16, 4096 ], "
+ "framerate = (double) [ 1, MAX ]"
+ )
+);
static void
gst_jpegenc_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
- GstCaps *raw_caps, *jpeg_caps;
- raw_caps = raw_caps_factory ();
- jpeg_caps = jpeg_caps_factory ();
-
- jpegenc_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
- GST_PAD_ALWAYS,
- raw_caps);
- jpegenc_src_template = gst_pad_template_new ("src", GST_PAD_SRC,
- GST_PAD_ALWAYS,
- jpeg_caps);
-
- gst_element_class_add_pad_template (element_class, jpegenc_sink_template);
- gst_element_class_add_pad_template (element_class, jpegenc_src_template);
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_jpegenc_sink_pad_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_jpegenc_src_pad_template));
gst_element_class_set_details (element_class, &gst_jpegenc_details);
}
G_STRUCT_OFFSET (GstJpegEncClass, frame_encoded), NULL, NULL,
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+ g_object_class_install_property (gobject_class, ARG_QUALITY,
+ g_param_spec_int ("quality", "Quality", "Quality of encoding",
+ 0, 100, 85, G_PARAM_READWRITE));
+#if 0
+ /* disabled, since it doesn't seem to work */
+ g_object_class_install_property (gobject_class, ARG_SMOOTHING,
+ g_param_spec_int ("smoothing", "Smoothing", "Smoothing factor",
+ 0, 100, 0, G_PARAM_READWRITE));
+#endif
+
+ gobject_class->set_property = gst_jpegenc_set_property;
+ gobject_class->get_property = gst_jpegenc_get_property;
}
static void
gst_jpegenc_init (GstJpegEnc *jpegenc)
{
/* create the sink and src pads */
- jpegenc->sinkpad = gst_pad_new("sink",GST_PAD_SINK);
- gst_element_add_pad(GST_ELEMENT(jpegenc),jpegenc->sinkpad);
+ jpegenc->sinkpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&gst_jpegenc_sink_pad_template), "sink");
gst_pad_set_chain_function(jpegenc->sinkpad,gst_jpegenc_chain);
+ gst_pad_set_getcaps_function(jpegenc->sinkpad, gst_jpegenc_getcaps);
+ gst_pad_set_link_function(jpegenc->sinkpad, gst_jpegenc_link);
+ gst_element_add_pad(GST_ELEMENT(jpegenc),jpegenc->sinkpad);
+
+ jpegenc->srcpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&gst_jpegenc_src_pad_template), "src");
+ gst_pad_set_getcaps_function(jpegenc->sinkpad, gst_jpegenc_getcaps);
gst_pad_set_link_function(jpegenc->sinkpad, gst_jpegenc_link);
- jpegenc->srcpad = gst_pad_new("src",GST_PAD_SRC);
gst_element_add_pad(GST_ELEMENT(jpegenc),jpegenc->srcpad);
/* reset the initial video state */
jpegenc->jdest.term_destination = gst_jpegenc_term_destination;
jpegenc->cinfo.dest = &jpegenc->jdest;
+ jpegenc->quality = 85;
+ jpegenc->smoothing = 0;
+}
+
+static GstCaps *
+gst_jpegenc_getcaps (GstPad *pad)
+{
+ GstJpegEnc *jpegenc = GST_JPEGENC (gst_pad_get_parent (pad));
+ GstPad *otherpad;
+ GstCaps *caps;
+ const char *name;
+ int i;
+ GstStructure *structure;
+
+ otherpad = (pad == jpegenc->srcpad) ? jpegenc->sinkpad : jpegenc->srcpad;
+ caps = gst_pad_get_allowed_caps (otherpad);
+ if (pad == jpegenc->srcpad) {
+ name = "image/jpeg";
+ } else {
+ name = "video/x-raw-yuv";
+ }
+ for (i=0;i<gst_caps_get_size (caps); i++){
+ structure = gst_caps_get_structure (caps, i);
+
+ gst_structure_set_name (structure, name);
+ gst_structure_remove_field (structure, "format");
+ }
+
+ return caps;
}
static GstPadLinkReturn
{
GstJpegEnc *jpegenc = GST_JPEGENC (gst_pad_get_parent (pad));
GstStructure *structure;
+ GstPadLinkReturn ret;
+ GstCaps *othercaps;
+ GstPad *otherpad;
+
+ otherpad = (pad == jpegenc->srcpad) ? jpegenc->sinkpad : jpegenc->srcpad;
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_double (structure, "framerate", &jpegenc->fps);
gst_structure_get_int (structure, "width", &jpegenc->width);
gst_structure_get_int (structure, "height", &jpegenc->height);
- caps = gst_caps_new_simple ("video/x-jpeg",
+ othercaps = gst_caps_copy (gst_pad_get_pad_template_caps (otherpad));
+ gst_caps_set_simple (othercaps,
"width", G_TYPE_INT, jpegenc->width,
"height", G_TYPE_INT, jpegenc->height,
"framerate", G_TYPE_DOUBLE, jpegenc->fps,
NULL);
- return gst_pad_try_set_caps (jpegenc->srcpad, caps);
+ ret = gst_pad_try_set_caps (jpegenc->srcpad, othercaps);
+ gst_caps_free(othercaps);
+
+ if (GST_PAD_LINK_SUCCESSFUL (ret)) {
+ gst_jpegenc_resync (jpegenc);
+ }
+
+ return ret;
}
static void
jpeg_set_defaults(&jpegenc->cinfo);
jpegenc->cinfo.dct_method = JDCT_FASTEST;
- /*jpegenc->cinfo.dct_method = JDCT_DEFAULT; */
- /*jpegenc->cinfo.smoothing_factor = 10; */
- jpeg_set_quality(&jpegenc->cinfo, 85, TRUE);
+ /*jpegenc->cinfo.dct_method = JDCT_DEFAULT;*/
+ /*jpegenc->cinfo.smoothing_factor = jpegenc->smoothing; */
+ jpeg_set_quality(&jpegenc->cinfo, jpegenc->quality, TRUE);
- /*
+#if 0
switch (jpegenc->format) {
case GST_COLORSPACE_RGB24:
size = 3;
jpegenc->cinfo.raw_data_in = FALSE;
break;
case GST_COLORSPACE_YUV420P:
+#endif
size = 2;
jpegenc->cinfo.raw_data_in = TRUE;
jpegenc->cinfo.in_color_space = JCS_YCbCr;
}
GST_DEBUG ("gst_jpegenc_resync: setting format done");
+#if 0
break;
default:
printf("gst_jpegenc_resync: unsupported colorspace, using RGB\n");
jpegenc->cinfo.in_color_space = JCS_RGB;
break;
}
-*/
+#endif
jpegenc->bufsize = jpegenc->width*jpegenc->height*size;
- jpegenc->row_stride = width * size;
jpeg_suppress_tables(&jpegenc->cinfo, TRUE);
+ //jpeg_suppress_tables(&jpegenc->cinfo, FALSE);
jpegenc->buffer = NULL;
GST_DEBUG ("gst_jpegenc_resync: resync done");
jpegenc->jdest.next_output_byte = outdata;
jpegenc->jdest.free_in_buffer = outsize;
+ jpegenc->cinfo.smoothing_factor = jpegenc->smoothing;
+ jpeg_set_quality(&jpegenc->cinfo, jpegenc->quality, TRUE);
jpeg_start_compress(&jpegenc->cinfo, TRUE);
width2 = width>>1;
gst_buffer_unref(buf);
}
+
+static void
+gst_jpegenc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstJpegEnc *jpegenc;
+
+ g_return_if_fail (GST_IS_JPEGENC (object));
+ jpegenc = GST_JPEGENC (object);
+
+ switch (prop_id) {
+ case ARG_QUALITY:
+ jpegenc->quality = g_value_get_int (value);
+ break;
+ case ARG_SMOOTHING:
+ jpegenc->smoothing = g_value_get_int (value);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gst_jpegenc_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstJpegEnc *jpegenc;
+
+ g_return_if_fail (GST_IS_JPEGENC (object));
+ jpegenc = GST_JPEGENC (object);
+
+ switch (prop_id) {
+ case ARG_QUALITY:
+ g_value_set_int (value, jpegenc->quality);
+ break;
+ case ARG_SMOOTHING:
+ g_value_set_int (value, jpegenc->smoothing);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
projects / platform / upstream / gst-plugins-good.git / commitdiff