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-rw-r--r--ext/jpeg/gstjpeg.c27
-rw-r--r--ext/jpeg/gstjpegdec.c360
-rw-r--r--ext/jpeg/gstjpegdec.h67
-rw-r--r--ext/jpeg/gstjpegenc.c226
-rw-r--r--ext/jpeg/gstjpegenc.h69
5 files changed, 386 insertions, 363 deletions
diff --git a/ext/jpeg/gstjpeg.c b/ext/jpeg/gstjpeg.c
index 1a78b222..add7435e 100644
--- a/ext/jpeg/gstjpeg.c
+++ b/ext/jpeg/gstjpeg.c
@@ -24,24 +24,21 @@
#include "gstjpegenc.h"
static gboolean
-plugin_init (GstPlugin *plugin)
+plugin_init (GstPlugin * plugin)
{
- if (!gst_element_register (plugin, "jpegenc", GST_RANK_NONE, GST_TYPE_JPEGENC))
+ if (!gst_element_register (plugin, "jpegenc", GST_RANK_NONE,
+ GST_TYPE_JPEGENC))
return FALSE;
-
- if (!gst_element_register (plugin, "jpegdec", GST_RANK_PRIMARY, GST_TYPE_JPEGDEC))
+
+ if (!gst_element_register (plugin, "jpegdec", GST_RANK_PRIMARY,
+ GST_TYPE_JPEGDEC))
return FALSE;
-
+
return TRUE;
}
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "jpeg",
- "JPeg plugin library",
- plugin_init,
- VERSION,
- "LGPL",
- GST_PACKAGE,
- GST_ORIGIN)
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "jpeg",
+ "JPeg plugin library",
+ plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
diff --git a/ext/jpeg/gstjpegdec.c b/ext/jpeg/gstjpegdec.c
index 0a1bb60d..10156559 100644
--- a/ext/jpeg/gstjpegdec.c
+++ b/ext/jpeg/gstjpegdec.c
@@ -36,73 +36,74 @@ GstElementDetails gst_jpegdec_details = {
};
/* JpegDec signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
/* FILL ME */
};
-static void gst_jpegdec_base_init (gpointer g_class);
-static void gst_jpegdec_class_init (GstJpegDec *klass);
-static void gst_jpegdec_init (GstJpegDec *jpegdec);
+static void gst_jpegdec_base_init (gpointer g_class);
+static void gst_jpegdec_class_init (GstJpegDec * klass);
+static void gst_jpegdec_init (GstJpegDec * jpegdec);
-static void gst_jpegdec_chain (GstPad *pad, GstData *_data);
-static GstPadLinkReturn
- gst_jpegdec_link (GstPad *pad, const GstCaps *caps);
+static void gst_jpegdec_chain (GstPad * pad, GstData * _data);
+static GstPadLinkReturn gst_jpegdec_link (GstPad * pad, const GstCaps * caps);
static GstElementClass *parent_class = NULL;
+
/*static guint gst_jpegdec_signals[LAST_SIGNAL] = { 0 }; */
GType
-gst_jpegdec_get_type(void) {
+gst_jpegdec_get_type (void)
+{
static GType jpegdec_type = 0;
-
+
if (!jpegdec_type) {
static const GTypeInfo jpegdec_info = {
- sizeof(GstJpegDec),
+ sizeof (GstJpegDec),
gst_jpegdec_base_init,
NULL,
- (GClassInitFunc)gst_jpegdec_class_init,
+ (GClassInitFunc) gst_jpegdec_class_init,
NULL,
NULL,
- sizeof(GstJpegDec),
+ sizeof (GstJpegDec),
0,
- (GInstanceInitFunc)gst_jpegdec_init,
+ (GInstanceInitFunc) gst_jpegdec_init,
};
- jpegdec_type = g_type_register_static(GST_TYPE_ELEMENT, "GstJpegDec", &jpegdec_info, 0);
+ jpegdec_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstJpegDec", &jpegdec_info,
+ 0);
}
return jpegdec_type;
}
static GstStaticPadTemplate gst_jpegdec_src_pad_template =
-GST_STATIC_PAD_TEMPLATE (
- "src",
+GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV("I420"))
-);
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
+ );
static GstStaticPadTemplate gst_jpegdec_sink_pad_template =
-GST_STATIC_PAD_TEMPLATE (
- "sink",
+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 ]"
- )
-);
+ "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);
-
+
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,
@@ -111,13 +112,13 @@ gst_jpegdec_base_init (gpointer g_class)
}
static void
-gst_jpegdec_class_init (GstJpegDec *klass)
+gst_jpegdec_class_init (GstJpegDec * klass)
{
GstElementClass *gstelement_class;
- gstelement_class = (GstElementClass*)klass;
+ gstelement_class = (GstElementClass *) klass;
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
}
static void
@@ -125,6 +126,7 @@ gst_jpegdec_init_source (j_decompress_ptr cinfo)
{
GST_DEBUG ("gst_jpegdec_chain: init_source");
}
+
static gboolean
gst_jpegdec_fill_input_buffer (j_decompress_ptr cinfo)
{
@@ -152,21 +154,23 @@ gst_jpegdec_term_source (j_decompress_ptr cinfo)
}
static void
-gst_jpegdec_init (GstJpegDec *jpegdec)
+gst_jpegdec_init (GstJpegDec * jpegdec)
{
GST_DEBUG ("gst_jpegdec_init: initializing");
/* create the sink and src pads */
- 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->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 (
- gst_static_pad_template_get (&gst_jpegdec_src_pad_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);
+ gst_element_add_pad (GST_ELEMENT (jpegdec), jpegdec->srcpad);
/* initialize the jpegdec decoder state */
jpegdec->next_time = 0;
@@ -181,10 +185,10 @@ gst_jpegdec_init (GstJpegDec *jpegdec)
jpegdec->line[2] = NULL;
/* setup jpeglib */
- memset(&jpegdec->cinfo, 0, sizeof(jpegdec->cinfo));
- memset(&jpegdec->jerr, 0, sizeof(jpegdec->jerr));
- jpegdec->cinfo.err = jpeg_std_error(&jpegdec->jerr);
- jpeg_create_decompress(&jpegdec->cinfo);
+ memset (&jpegdec->cinfo, 0, sizeof (jpegdec->cinfo));
+ memset (&jpegdec->jerr, 0, sizeof (jpegdec->jerr));
+ jpegdec->cinfo.err = jpeg_std_error (&jpegdec->jerr);
+ jpeg_create_decompress (&jpegdec->cinfo);
jpegdec->jsrc.init_source = gst_jpegdec_init_source;
jpegdec->jsrc.fill_input_buffer = gst_jpegdec_fill_input_buffer;
@@ -196,7 +200,7 @@ gst_jpegdec_init (GstJpegDec *jpegdec)
}
static GstPadLinkReturn
-gst_jpegdec_link (GstPad *pad, const GstCaps *caps)
+gst_jpegdec_link (GstPad * pad, const GstCaps * caps)
{
GstJpegDec *jpegdec = GST_JPEGDEC (gst_pad_get_parent (pad));
GstStructure *structure;
@@ -205,15 +209,14 @@ gst_jpegdec_link (GstPad *pad, const GstCaps *caps)
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_double (structure, "framerate", &jpegdec->fps);
- gst_structure_get_int (structure, "width", &jpegdec->width);
- gst_structure_get_int (structure, "height", &jpegdec->height);
+ gst_structure_get_int (structure, "width", &jpegdec->width);
+ gst_structure_get_int (structure, "height", &jpegdec->height);
srccaps = gst_caps_new_simple ("video/x-raw-yuv",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I','4','2','0'),
- "width", G_TYPE_INT, jpegdec->width,
- "height", G_TYPE_INT, jpegdec->height,
- "framerate", G_TYPE_DOUBLE, jpegdec->fps,
- NULL);
+ "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'),
+ "width", G_TYPE_INT, jpegdec->width,
+ "height", G_TYPE_INT, jpegdec->height,
+ "framerate", G_TYPE_DOUBLE, jpegdec->fps, NULL);
/* at this point, we're pretty sure that this will be the output
* format, so we'll set it. */
@@ -223,18 +226,18 @@ gst_jpegdec_link (GstPad *pad, const GstCaps *caps)
}
/* shamelessly ripped from jpegutils.c in mjpegtools */
-static void add_huff_table (j_decompress_ptr dinfo,
- JHUFF_TBL **htblptr,
- const UINT8 *bits, const UINT8 *val)
+static void
+add_huff_table (j_decompress_ptr dinfo,
+ JHUFF_TBL ** htblptr, const UINT8 * bits, const UINT8 * val)
/* Define a Huffman table */
{
int nsymbols, len;
if (*htblptr == NULL)
- *htblptr = jpeg_alloc_huff_table((j_common_ptr) dinfo);
+ *htblptr = jpeg_alloc_huff_table ((j_common_ptr) dinfo);
/* Copy the number-of-symbols-of-each-code-length counts */
- memcpy((*htblptr)->bits, bits, sizeof((*htblptr)->bits));
+ memcpy ((*htblptr)->bits, bits, sizeof ((*htblptr)->bits));
/* Validate the counts. We do this here mainly so we can copy the right
* number of symbols from the val[] array, without risking marching off
@@ -244,119 +247,123 @@ static void add_huff_table (j_decompress_ptr dinfo,
for (len = 1; len <= 16; len++)
nsymbols += bits[len];
if (nsymbols < 1 || nsymbols > 256)
- g_error("jpegutils.c: add_huff_table failed badly. ");
+ g_error ("jpegutils.c: add_huff_table failed badly. ");
- memcpy((*htblptr)->huffval, val, nsymbols * sizeof(UINT8));
+ memcpy ((*htblptr)->huffval, val, nsymbols * sizeof (UINT8));
}
-static void std_huff_tables (j_decompress_ptr dinfo)
+static void
+std_huff_tables (j_decompress_ptr dinfo)
/* Set up the standard Huffman tables (cf. JPEG standard section K.3) */
/* IMPORTANT: these are only valid for 8-bit data precision! */
{
static const UINT8 bits_dc_luminance[17] =
- { /* 0-base */ 0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 };
+ { /* 0-base */ 0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 };
static const UINT8 val_dc_luminance[] =
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
-
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
+
static const UINT8 bits_dc_chrominance[17] =
- { /* 0-base */ 0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
+ { /* 0-base */ 0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
static const UINT8 val_dc_chrominance[] =
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
-
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
+
static const UINT8 bits_ac_luminance[17] =
- { /* 0-base */ 0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d };
+ { /* 0-base */ 0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d };
static const UINT8 val_ac_luminance[] =
- { 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
- 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
- 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
- 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
- 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
- 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
- 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
- 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
- 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
- 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
- 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
- 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
- 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
- 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
- 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
- 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
- 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
- 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
- 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
- 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
- 0xf9, 0xfa };
-
+ { 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
+ 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
+ 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
+ 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
+ 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
+ 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
+ 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
+ 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
+ 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
+ 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
+ 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
+ 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
+ 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
+ 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+ 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
+ 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
+ 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
+ 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
+ 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
+ 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
+ 0xf9, 0xfa
+ };
+
static const UINT8 bits_ac_chrominance[17] =
- { /* 0-base */ 0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77 };
+ { /* 0-base */ 0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77 };
static const UINT8 val_ac_chrominance[] =
- { 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
- 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
- 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
- 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
- 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
- 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
- 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
- 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
- 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
- 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
- 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
- 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
- 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
- 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
- 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
- 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
- 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
- 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
- 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
- 0xf9, 0xfa };
-
- add_huff_table(dinfo, &dinfo->dc_huff_tbl_ptrs[0],
- bits_dc_luminance, val_dc_luminance);
- add_huff_table(dinfo, &dinfo->ac_huff_tbl_ptrs[0],
- bits_ac_luminance, val_ac_luminance);
- add_huff_table(dinfo, &dinfo->dc_huff_tbl_ptrs[1],
- bits_dc_chrominance, val_dc_chrominance);
- add_huff_table(dinfo, &dinfo->ac_huff_tbl_ptrs[1],
- bits_ac_chrominance, val_ac_chrominance);
+ { 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
+ 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
+ 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
+ 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
+ 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
+ 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
+ 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
+ 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
+ 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
+ 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
+ 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
+ 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+ 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
+ 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
+ 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
+ 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
+ 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
+ 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
+ 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
+ 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
+ 0xf9, 0xfa
+ };
+
+ add_huff_table (dinfo, &dinfo->dc_huff_tbl_ptrs[0],
+ bits_dc_luminance, val_dc_luminance);
+ add_huff_table (dinfo, &dinfo->ac_huff_tbl_ptrs[0],
+ bits_ac_luminance, val_ac_luminance);
+ add_huff_table (dinfo, &dinfo->dc_huff_tbl_ptrs[1],
+ bits_dc_chrominance, val_dc_chrominance);
+ add_huff_table (dinfo, &dinfo->ac_huff_tbl_ptrs[1],
+ bits_ac_chrominance, val_ac_chrominance);
}
-static void guarantee_huff_tables(j_decompress_ptr dinfo)
+static void
+guarantee_huff_tables (j_decompress_ptr dinfo)
{
- if ( (dinfo->dc_huff_tbl_ptrs[0] == NULL) &&
- (dinfo->dc_huff_tbl_ptrs[1] == NULL) &&
- (dinfo->ac_huff_tbl_ptrs[0] == NULL) &&
- (dinfo->ac_huff_tbl_ptrs[1] == NULL) ) {
- GST_DEBUG (
- "Generating standard Huffman tables for this frame.");
- std_huff_tables(dinfo);
+ if ((dinfo->dc_huff_tbl_ptrs[0] == NULL) &&
+ (dinfo->dc_huff_tbl_ptrs[1] == NULL) &&
+ (dinfo->ac_huff_tbl_ptrs[0] == NULL) &&
+ (dinfo->ac_huff_tbl_ptrs[1] == NULL)) {
+ GST_DEBUG ("Generating standard Huffman tables for this frame.");
+ std_huff_tables (dinfo);
}
}
static void
-gst_jpegdec_chain (GstPad *pad, GstData *_data)
+gst_jpegdec_chain (GstPad * pad, GstData * _data)
{
GstBuffer *buf = GST_BUFFER (_data);
GstJpegDec *jpegdec;
guchar *data, *outdata;
gulong size, outsize;
GstBuffer *outbuf;
- /*GstMeta *meta;*/
+
+ /*GstMeta *meta; */
gint width, height, width2;
guchar *base[3];
- gint i,j, k;
+ gint i, j, k;
gint r_h, r_v;
- g_return_if_fail(pad != NULL);
- g_return_if_fail(GST_IS_PAD(pad));
- g_return_if_fail(buf != NULL);
- /*g_return_if_fail(GST_IS_BUFFER(buf));*/
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
+ /*g_return_if_fail(GST_IS_BUFFER(buf)); */
jpegdec = GST_JPEGDEC (GST_OBJECT_PARENT (pad));
@@ -365,24 +372,24 @@ gst_jpegdec_chain (GstPad *pad, GstData *_data)
return;
}
- data = (guchar *)GST_BUFFER_DATA(buf);
- size = GST_BUFFER_SIZE(buf);
- GST_DEBUG ("gst_jpegdec_chain: got buffer of %ld bytes in '%s'",size,
- GST_OBJECT_NAME (jpegdec));
+ data = (guchar *) GST_BUFFER_DATA (buf);
+ size = GST_BUFFER_SIZE (buf);
+ GST_DEBUG ("gst_jpegdec_chain: got buffer of %ld bytes in '%s'", size,
+ GST_OBJECT_NAME (jpegdec));
jpegdec->jsrc.next_input_byte = data;
jpegdec->jsrc.bytes_in_buffer = size;
-
- GST_DEBUG ("gst_jpegdec_chain: reading header %08lx", *(gulong *)data);
- jpeg_read_header(&jpegdec->cinfo, TRUE);
+
+ GST_DEBUG ("gst_jpegdec_chain: reading header %08lx", *(gulong *) data);
+ jpeg_read_header (&jpegdec->cinfo, TRUE);
r_h = jpegdec->cinfo.cur_comp_info[0]->h_samp_factor;
r_v = jpegdec->cinfo.cur_comp_info[0]->v_samp_factor;
- /*g_print ("%d %d\n", r_h, r_v);*/
- /*g_print ("%d %d\n", jpegdec->cinfo.cur_comp_info[1]->h_samp_factor, jpegdec->cinfo.cur_comp_info[1]->v_samp_factor);*/
- /*g_print ("%d %d\n", jpegdec->cinfo.cur_comp_info[2]->h_samp_factor, jpegdec->cinfo.cur_comp_info[2]->v_samp_factor);*/
+ /*g_print ("%d %d\n", r_h, r_v); */
+ /*g_print ("%d %d\n", jpegdec->cinfo.cur_comp_info[1]->h_samp_factor, jpegdec->cinfo.cur_comp_info[1]->v_samp_factor); */
+ /*g_print ("%d %d\n", jpegdec->cinfo.cur_comp_info[2]->h_samp_factor, jpegdec->cinfo.cur_comp_info[2]->v_samp_factor); */
jpegdec->cinfo.do_fancy_upsampling = FALSE;
jpegdec->cinfo.do_block_smoothing = FALSE;
@@ -390,66 +397,67 @@ gst_jpegdec_chain (GstPad *pad, GstData *_data)
jpegdec->cinfo.dct_method = JDCT_IFAST;
jpegdec->cinfo.raw_data_out = TRUE;
GST_DEBUG ("gst_jpegdec_chain: starting decompress");
- guarantee_huff_tables(&jpegdec->cinfo);
- jpeg_start_decompress(&jpegdec->cinfo);
+ guarantee_huff_tables (&jpegdec->cinfo);
+ jpeg_start_decompress (&jpegdec->cinfo);
width = jpegdec->cinfo.output_width;
height = jpegdec->cinfo.output_height;
GST_DEBUG ("gst_jpegdec_chain: width %d, height %d", width, height);
- outbuf = gst_buffer_new();
- outsize = GST_BUFFER_SIZE(outbuf) = width*height +
- width*height / 2;
- outdata = GST_BUFFER_DATA(outbuf) = g_malloc(outsize);
- GST_BUFFER_TIMESTAMP(outbuf) = GST_BUFFER_TIMESTAMP(buf);
+ outbuf = gst_buffer_new ();
+ outsize = GST_BUFFER_SIZE (outbuf) = width * height + width * height / 2;
+ outdata = GST_BUFFER_DATA (outbuf) = g_malloc (outsize);
+ GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
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->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;
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);
+ "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);
gst_pad_set_explicit_caps (jpegdec->srcpad, caps);
gst_caps_free (caps);
}
/* mind the swap, jpeglib outputs blue chroma first */
base[0] = outdata;
- base[1] = base[0]+width*height;
- base[2] = base[1]+width*height/4;
+ base[1] = base[0] + width * height;
+ base[2] = base[1] + width * height / 4;
width2 = width >> 1;
- GST_DEBUG ("gst_jpegdec_chain: decompressing %u", jpegdec->cinfo.rec_outbuf_height);
- for (i = 0; i < height; i += r_v*DCTSIZE) {
- for (j=0, k=0; j< (r_v*DCTSIZE); j += r_v, k++) {
- jpegdec->line[0][j] = base[0]; base[0] += width;
+ GST_DEBUG ("gst_jpegdec_chain: decompressing %u",
+ jpegdec->cinfo.rec_outbuf_height);
+ for (i = 0; i < height; i += r_v * DCTSIZE) {
+ for (j = 0, k = 0; j < (r_v * DCTSIZE); j += r_v, k++) {
+ jpegdec->line[0][j] = base[0];
+ base[0] += width;
if (r_v == 2) {
- jpegdec->line[0][j+1] = base[0]; base[0] += width;
+ jpegdec->line[0][j + 1] = base[0];
+ base[0] += width;
}
- jpegdec->line[1][k] = base[1];
- jpegdec->line[2][k] = base[2];
- if (r_v == 2 || k&1) {
- base[1] += width2; base[2] += width2;
+ jpegdec->line[1][k] = base[1];
+ jpegdec->line[2][k] = base[2];
+ if (r_v == 2 || k & 1) {
+ base[1] += width2;
+ base[2] += width2;
}
}
- /*g_print ("%d\n", jpegdec->cinfo.output_scanline);*/
- jpeg_read_raw_data(&jpegdec->cinfo, jpegdec->line, r_v*DCTSIZE);
+ /*g_print ("%d\n", jpegdec->cinfo.output_scanline); */
+ jpeg_read_raw_data (&jpegdec->cinfo, jpegdec->line, r_v * DCTSIZE);
}
GST_DEBUG ("gst_jpegdec_chain: decompressing finished");
- jpeg_finish_decompress(&jpegdec->cinfo);
+ jpeg_finish_decompress (&jpegdec->cinfo);
GST_DEBUG ("gst_jpegdec_chain: sending buffer");
- gst_pad_push(jpegdec->srcpad, GST_DATA (outbuf));
+ gst_pad_push (jpegdec->srcpad, GST_DATA (outbuf));
- gst_buffer_unref(buf);
+ gst_buffer_unref (buf);
}
-
diff --git a/ext/jpeg/gstjpegdec.h b/ext/jpeg/gstjpegdec.h
index 05187873..9a864eba 100644
--- a/ext/jpeg/gstjpegdec.h
+++ b/ext/jpeg/gstjpegdec.h
@@ -30,8 +30,9 @@
#include <jpeglib.h>
#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+extern "C"
+{
+#endif /* __cplusplus */
#define GST_TYPE_JPEGDEC \
@@ -45,46 +46,48 @@ extern "C" {
#define GST_IS_JPEGDEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JPEGDEC))
-typedef struct _GstJpegDec GstJpegDec;
-typedef struct _GstJpegDecClass GstJpegDecClass;
+ typedef struct _GstJpegDec GstJpegDec;
+ typedef struct _GstJpegDecClass GstJpegDecClass;
-struct _GstJpegDec {
- GstElement element;
+ struct _GstJpegDec
+ {
+ GstElement element;
- /* pads */
- GstPad *sinkpad,*srcpad;
+ /* pads */
+ GstPad *sinkpad, *srcpad;
- int parse_state;
- /* the timestamp of the next frame */
- guint64 next_time;
- /* the interval between frames */
- guint64 time_interval;
+ int parse_state;
+ /* the timestamp of the next frame */
+ guint64 next_time;
+ /* the interval between frames */
+ guint64 time_interval;
- /* video state */
- gint format;
- gint width;
- gint height;
- gdouble fps;
- /* the size of the output buffer */
- gint outsize;
- /* the jpeg line buffer */
- guchar **line[3];
+ /* video state */
+ gint format;
+ gint width;
+ gint height;
+ gdouble fps;
+ /* the size of the output buffer */
+ gint outsize;
+ /* the jpeg line buffer */
+ guchar **line[3];
- struct jpeg_decompress_struct cinfo;
- struct jpeg_error_mgr jerr;
- struct jpeg_source_mgr jsrc;
-};
+ struct jpeg_decompress_struct cinfo;
+ struct jpeg_error_mgr jerr;
+ struct jpeg_source_mgr jsrc;
+ };
-struct _GstJpegDecClass {
- GstElementClass parent_class;
-};
+ struct _GstJpegDecClass
+ {
+ GstElementClass parent_class;
+ };
-GType gst_jpegdec_get_type(void);
+ GType gst_jpegdec_get_type (void);
#ifdef __cplusplus
}
-#endif /* __cplusplus */
+#endif /* __cplusplus */
-#endif /* __GST_JPEGDEC_H__ */
+#endif /* __GST_JPEGDEC_H__ */
diff --git a/ext/jpeg/gstjpegenc.c b/ext/jpeg/gstjpegenc.c
index 7f43ea97..44941719 100644
--- a/ext/jpeg/gstjpegenc.c
+++ b/ext/jpeg/gstjpegenc.c
@@ -35,30 +35,34 @@ GstElementDetails gst_jpegenc_details = {
};
/* JpegEnc signals and args */
-enum {
+enum
+{
FRAME_ENCODED,
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
ARG_QUALITY,
ARG_SMOOTHING,
/* FILL ME */
};
-static void gst_jpegenc_base_init (gpointer g_class);
-static void gst_jpegenc_class_init (GstJpegEnc *klass);
-static void gst_jpegenc_init (GstJpegEnc *jpegenc);
+static void gst_jpegenc_base_init (gpointer g_class);
+static void gst_jpegenc_class_init (GstJpegEnc * klass);
+static void gst_jpegenc_init (GstJpegEnc * jpegenc);
-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_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 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 };
@@ -70,46 +74,44 @@ gst_jpegenc_get_type (void)
if (!jpegenc_type) {
static const GTypeInfo jpegenc_info = {
- sizeof(GstJpegEnc),
+ sizeof (GstJpegEnc),
gst_jpegenc_base_init,
NULL,
- (GClassInitFunc)gst_jpegenc_class_init,
+ (GClassInitFunc) gst_jpegenc_class_init,
NULL,
NULL,
- sizeof(GstJpegEnc),
+ sizeof (GstJpegEnc),
0,
- (GInstanceInitFunc)gst_jpegenc_init,
+ (GInstanceInitFunc) gst_jpegenc_init,
};
- jpegenc_type = g_type_register_static(GST_TYPE_ELEMENT, "GstJpegEnc", &jpegenc_info, 0);
+ jpegenc_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstJpegEnc", &jpegenc_info,
+ 0);
}
return jpegenc_type;
}
static GstStaticPadTemplate gst_jpegenc_sink_pad_template =
-GST_STATIC_PAD_TEMPLATE (
- "sink",
+GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV("I420"))
-);
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
+ );
static GstStaticPadTemplate gst_jpegenc_src_pad_template =
-GST_STATIC_PAD_TEMPLATE (
- "src",
+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 ]"
- )
-);
+ "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);
-
+
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,
@@ -118,29 +120,29 @@ gst_jpegenc_base_init (gpointer g_class)
}
static void
-gst_jpegenc_class_init (GstJpegEnc *klass)
+gst_jpegenc_class_init (GstJpegEnc * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gst_jpegenc_signals[FRAME_ENCODED] =
- g_signal_new ("frame-encoded", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (GstJpegEncClass, frame_encoded), NULL, NULL,
- g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+ g_signal_new ("frame-encoded", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST, 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));
+ 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));
+ 0, 100, 0, G_PARAM_READWRITE));
#endif
gobject_class->set_property = gst_jpegenc_set_property;
@@ -160,44 +162,47 @@ gst_jpegenc_flush_destination (j_compress_ptr cinfo)
return TRUE;
}
-static void gst_jpegenc_term_destination (j_compress_ptr cinfo)
+static void
+gst_jpegenc_term_destination (j_compress_ptr cinfo)
{
GST_DEBUG ("gst_jpegenc_chain: term_source");
}
static void
-gst_jpegenc_init (GstJpegEnc *jpegenc)
+gst_jpegenc_init (GstJpegEnc * jpegenc)
{
/* create the sink and src pads */
- 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);
- gst_element_add_pad(GST_ELEMENT(jpegenc),jpegenc->srcpad);
+ 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);
+ gst_element_add_pad (GST_ELEMENT (jpegenc), jpegenc->srcpad);
/* reset the initial video state */
jpegenc->width = -1;
jpegenc->height = -1;
/* setup jpeglib */
- memset(&jpegenc->cinfo, 0, sizeof(jpegenc->cinfo));
- memset(&jpegenc->jerr, 0, sizeof(jpegenc->jerr));
- jpegenc->cinfo.err = jpeg_std_error(&jpegenc->jerr);
- jpeg_create_compress(&jpegenc->cinfo);
+ memset (&jpegenc->cinfo, 0, sizeof (jpegenc->cinfo));
+ memset (&jpegenc->jerr, 0, sizeof (jpegenc->jerr));
+ jpegenc->cinfo.err = jpeg_std_error (&jpegenc->jerr);
+ jpeg_create_compress (&jpegenc->cinfo);
GST_DEBUG ("gst_jpegenc_init: setting line buffers");
jpegenc->line[0] = NULL;
jpegenc->line[1] = NULL;
jpegenc->line[2] = NULL;
- gst_jpegenc_resync(jpegenc);
+ gst_jpegenc_resync (jpegenc);
jpegenc->jdest.init_destination = gst_jpegenc_init_destination;
jpegenc->jdest.empty_output_buffer = gst_jpegenc_flush_destination;
@@ -209,7 +214,7 @@ gst_jpegenc_init (GstJpegEnc *jpegenc)
}
static GstCaps *
-gst_jpegenc_getcaps (GstPad *pad)
+gst_jpegenc_getcaps (GstPad * pad)
{
GstJpegEnc *jpegenc = GST_JPEGENC (gst_pad_get_parent (pad));
GstPad *otherpad;
@@ -225,7 +230,7 @@ gst_jpegenc_getcaps (GstPad *pad)
} else {
name = "video/x-raw-yuv";
}
- for (i=0;i<gst_caps_get_size (caps); i++){
+ for (i = 0; i < gst_caps_get_size (caps); i++) {
structure = gst_caps_get_structure (caps, i);
gst_structure_set_name (structure, name);
@@ -236,7 +241,7 @@ gst_jpegenc_getcaps (GstPad *pad)
}
static GstPadLinkReturn
-gst_jpegenc_link (GstPad *pad, const GstCaps *caps)
+gst_jpegenc_link (GstPad * pad, const GstCaps * caps)
{
GstJpegEnc *jpegenc = GST_JPEGENC (gst_pad_get_parent (pad));
GstStructure *structure;
@@ -248,18 +253,17 @@ gst_jpegenc_link (GstPad *pad, const GstCaps *caps)
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);
-
+ gst_structure_get_int (structure, "width", &jpegenc->width);
+ gst_structure_get_int (structure, "height", &jpegenc->height);
+
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);
+ "width", G_TYPE_INT, jpegenc->width,
+ "height", G_TYPE_INT, jpegenc->height,
+ "framerate", G_TYPE_DOUBLE, jpegenc->fps, NULL);
ret = gst_pad_try_set_caps (jpegenc->srcpad, othercaps);
- gst_caps_free(othercaps);
+ gst_caps_free (othercaps);
if (GST_PAD_LINK_SUCCESSFUL (ret)) {
gst_jpegenc_resync (jpegenc);
@@ -269,7 +273,7 @@ gst_jpegenc_link (GstPad *pad, const GstCaps *caps)
}
static void
-gst_jpegenc_resync (GstJpegEnc *jpegenc)
+gst_jpegenc_resync (GstJpegEnc * jpegenc)
{
guint size = 0;
gint width, height;
@@ -282,11 +286,11 @@ gst_jpegenc_resync (GstJpegEnc *jpegenc)
GST_DEBUG ("gst_jpegenc_resync: wdith %d, height %d", width, height);
- jpeg_set_defaults(&jpegenc->cinfo);
+ jpeg_set_defaults (&jpegenc->cinfo);
jpegenc->cinfo.dct_method = JDCT_FASTEST;
- /*jpegenc->cinfo.dct_method = JDCT_DEFAULT;*/
+ /*jpegenc->cinfo.dct_method = JDCT_DEFAULT; */
/*jpegenc->cinfo.smoothing_factor = jpegenc->smoothing; */
- jpeg_set_quality(&jpegenc->cinfo, jpegenc->quality, TRUE);
+ jpeg_set_quality (&jpegenc->cinfo, jpegenc->quality, TRUE);
#if 0
switch (jpegenc->format) {
@@ -310,24 +314,27 @@ gst_jpegenc_resync (GstJpegEnc *jpegenc)
jpegenc->cinfo.comp_info[2].v_samp_factor = 1;
if (height != -1) {
- jpegenc->line[0] = g_realloc(jpegenc->line[0], height*sizeof(char*));
- jpegenc->line[1] = g_realloc(jpegenc->line[1], height*sizeof(char*)/2);
- jpegenc->line[2] = g_realloc(jpegenc->line[2], height*sizeof(char*)/2);
+ jpegenc->line[0] =
+ g_realloc (jpegenc->line[0], height * sizeof (char *));
+ jpegenc->line[1] =
+ g_realloc (jpegenc->line[1], height * sizeof (char *) / 2);
+ jpegenc->line[2] =
+ g_realloc (jpegenc->line[2], height * sizeof (char *) / 2);
}
GST_DEBUG ("gst_jpegenc_resync: setting format done");
#if 0
break;
default:
- printf("gst_jpegenc_resync: unsupported colorspace, using RGB\n");
+ printf ("gst_jpegenc_resync: unsupported colorspace, using RGB\n");
size = 3;
jpegenc->cinfo.in_color_space = JCS_RGB;
break;
}
#endif
- jpegenc->bufsize = jpegenc->width*jpegenc->height*size;
+ jpegenc->bufsize = jpegenc->width * jpegenc->height * size;
- jpeg_suppress_tables(&jpegenc->cinfo, TRUE);
+ jpeg_suppress_tables (&jpegenc->cinfo, TRUE);
//jpeg_suppress_tables(&jpegenc->cinfo, FALSE);
jpegenc->buffer = NULL;
@@ -335,17 +342,18 @@ gst_jpegenc_resync (GstJpegEnc *jpegenc)
}
static void
-gst_jpegenc_chain (GstPad *pad, GstData *_data)
+gst_jpegenc_chain (GstPad * pad, GstData * _data)
{
GstBuffer *buf = GST_BUFFER (_data);
GstJpegEnc *jpegenc;
guchar *data, *outdata;
gulong size, outsize;
GstBuffer *outbuf;
+
/* GstMeta *meta; */
guint height, width, width2;
guchar *base[3];
- gint i,j, k;
+ gint i, j, k;
g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_PAD (pad));
@@ -355,53 +363,58 @@ gst_jpegenc_chain (GstPad *pad, GstData *_data)
/*usleep(10000); */
jpegenc = GST_JPEGENC (GST_OBJECT_PARENT (pad));
- data = GST_BUFFER_DATA(buf);
- size = GST_BUFFER_SIZE(buf);
+ data = GST_BUFFER_DATA (buf);
+ size = GST_BUFFER_SIZE (buf);
- GST_DEBUG ("gst_jpegenc_chain: got buffer of %ld bytes in '%s'",size,
- GST_OBJECT_NAME (jpegenc));
+ GST_DEBUG ("gst_jpegenc_chain: got buffer of %ld bytes in '%s'", size,
+ GST_OBJECT_NAME (jpegenc));
- outbuf = gst_buffer_new();
- outsize = GST_BUFFER_SIZE(outbuf) = jpegenc->bufsize;
- outdata = GST_BUFFER_DATA(outbuf) = g_malloc(outsize);
- GST_BUFFER_TIMESTAMP(outbuf) = GST_BUFFER_TIMESTAMP(buf);
+ outbuf = gst_buffer_new ();
+ outsize = GST_BUFFER_SIZE (outbuf) = jpegenc->bufsize;
+ outdata = GST_BUFFER_DATA (outbuf) = g_malloc (outsize);
+ GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
width = jpegenc->width;
height = jpegenc->height;
base[0] = data;
- base[1] = base[0]+width*height;
- base[2] = base[1]+width*height/4;
+ base[1] = base[0] + width * height;
+ base[2] = base[1] + width * height / 4;
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);
+ jpeg_set_quality (&jpegenc->cinfo, jpegenc->quality, TRUE);
+ jpeg_start_compress (&jpegenc->cinfo, TRUE);
- width2 = width>>1;
+ width2 = width >> 1;
GST_DEBUG ("gst_jpegdec_chain: compressing");
- for (i = 0; i < height; i += 2*DCTSIZE) {
- for (j=0, k=0; j<2*DCTSIZE;j+=2, k++) {
- jpegenc->line[0][j] = base[0]; base[0] += width;
- jpegenc->line[0][j+1] = base[0]; base[0] += width;
- jpegenc->line[1][k] = base[1]; base[1] += width2;
- jpegenc->line[2][k] = base[2]; base[2] += width2;
+ for (i = 0; i < height; i += 2 * DCTSIZE) {
+ for (j = 0, k = 0; j < 2 * DCTSIZE; j += 2, k++) {
+ jpegenc->line[0][j] = base[0];
+ base[0] += width;
+ jpegenc->line[0][j + 1] = base[0];
+ base[0] += width;
+ jpegenc->line[1][k] = base[1];
+ base[1] += width2;
+ jpegenc->line[2][k] = base[2];
+ base[2] += width2;
}
- jpeg_write_raw_data(&jpegenc->cinfo, jpegenc->line, 2*DCTSIZE);
+ jpeg_write_raw_data (&jpegenc->cinfo, jpegenc->line, 2 * DCTSIZE);
}
- jpeg_finish_compress(&jpegenc->cinfo);
+ jpeg_finish_compress (&jpegenc->cinfo);
GST_DEBUG ("gst_jpegdec_chain: compressing done");
- GST_BUFFER_SIZE(outbuf) = (((outsize - jpegenc->jdest.free_in_buffer)+3)&~3);
+ GST_BUFFER_SIZE (outbuf) =
+ (((outsize - jpegenc->jdest.free_in_buffer) + 3) & ~3);
- gst_pad_push(jpegenc->srcpad, GST_DATA (outbuf));
+ gst_pad_push (jpegenc->srcpad, GST_DATA (outbuf));
- g_signal_emit(G_OBJECT(jpegenc),gst_jpegenc_signals[FRAME_ENCODED], 0);
+ g_signal_emit (G_OBJECT (jpegenc), gst_jpegenc_signals[FRAME_ENCODED], 0);
- gst_buffer_unref(buf);
+ gst_buffer_unref (buf);
}
static void
@@ -412,7 +425,7 @@ gst_jpegenc_set_property (GObject * object, guint prop_id,
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);
@@ -423,7 +436,7 @@ gst_jpegenc_set_property (GObject * object, guint prop_id,
default:
break;
}
-}
+}
static void
gst_jpegenc_get_property (GObject * object, guint prop_id, GValue * value,
@@ -446,4 +459,3 @@ gst_jpegenc_get_property (GObject * object, guint prop_id, GValue * value,
break;
}
}
-
diff --git a/ext/jpeg/gstjpegenc.h b/ext/jpeg/gstjpegenc.h
index b68b4859..beeaf6f9 100644
--- a/ext/jpeg/gstjpegenc.h
+++ b/ext/jpeg/gstjpegenc.h
@@ -30,8 +30,9 @@
#include <jpeglib.h>
#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+extern "C"
+{
+#endif /* __cplusplus */
#define GST_TYPE_JPEGENC \
@@ -45,48 +46,50 @@ extern "C" {
#define GST_IS_JPEGENC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JPEGENC))
-typedef struct _GstJpegEnc GstJpegEnc;
-typedef struct _GstJpegEncClass GstJpegEncClass;
+ typedef struct _GstJpegEnc GstJpegEnc;
+ typedef struct _GstJpegEncClass GstJpegEncClass;
-struct _GstJpegEnc {
- GstElement element;
+ struct _GstJpegEnc
+ {
+ GstElement element;
- /* pads */
- GstPad *sinkpad,*srcpad;
+ /* pads */
+ GstPad *sinkpad, *srcpad;
- /* video state */
- gint format;
- gint width;
- gint height;
- gdouble fps;
- /* the video buffer */
- gint bufsize;
- GstBuffer *buffer;
- guint row_stride;
- /* the jpeg line buffer */
- guchar **line[3];
+ /* video state */
+ gint format;
+ gint width;
+ gint height;
+ gdouble fps;
+ /* the video buffer */
+ gint bufsize;
+ GstBuffer *buffer;
+ guint row_stride;
+ /* the jpeg line buffer */
+ guchar **line[3];
- struct jpeg_compress_struct cinfo;
- struct jpeg_error_mgr jerr;
- struct jpeg_destination_mgr jdest;
+ struct jpeg_compress_struct cinfo;
+ struct jpeg_error_mgr jerr;
+ struct jpeg_destination_mgr jdest;
- int quality;
- int smoothing;
-};
+ int quality;
+ int smoothing;
+ };
-struct _GstJpegEncClass {
- GstElementClass parent_class;
+ struct _GstJpegEncClass
+ {
+ GstElementClass parent_class;
- /* signals */
- void (*frame_encoded) (GstElement *element);
-};
+ /* signals */
+ void (*frame_encoded) (GstElement * element);
+ };
-GType gst_jpegenc_get_type(void);
+ GType gst_jpegenc_get_type (void);
#ifdef __cplusplus
}
-#endif /* __cplusplus */
+#endif /* __cplusplus */
-#endif /* __GST_JPEGENC_H__ */
+#endif /* __GST_JPEGENC_H__ */
generated by cgit (git 2.34.1) at 2025-02-25 04:05:53 +0000