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jpgenc ported to GSTreamer 0.9

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Original commit message from CVS:
jpgenc ported to GSTreamer 0.9
This commit is contained in:
Flavio Oliveira 2005-09-08 16:58:40 +00:00
parent bc5a2ed427
commit fb26ca3f32
4 changed files with 53 additions and 55 deletions
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8
ext/jpeg/Makefile.am
View file

@ -3,12 +3,12 @@ plugin_LTLIBRARIES = libgstjpeg.la
libgstjpeg_la_SOURCES = \
gstjpeg.c \
gstjpegdec.c
gstjpegenc.c \
gstjpegdec.c \
gstsmokeenc.c \
smokecodec.c
# gstjpegenc.c
# gstsmokeenc.c
# gstsmokedec.c
# smokecodec.c
libgstjpeg_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS)
libgstjpeg_la_LIBADD = $(JPEG_LIBS)

17
ext/jpeg/gstjpeg.c
View file

@ -25,14 +25,13 @@
#include <gst/gst.h>
#include "gstjpegdec.h"
#if 0
#include "gstjpegenc.h"
#include "gstsmokeenc.h"
/*
#include "gstsmokedec.h"
static GstStaticCaps smoke_caps = GST_STATIC_CAPS ("video/x-smoke");
static GstStaticCaps smoke_caps = GST_STATIC_CAPS ("video/x-smoke");
#define SMOKE_CAPS (gst_static_caps_get(&smoke_caps))
static void
smoke_type_find (GstTypeFind * tf, gpointer private)
@ -47,34 +46,32 @@ smoke_type_find (GstTypeFind * tf, gpointer private)
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, SMOKE_CAPS);
}
}
#endif
*/
static gboolean
plugin_init (GstPlugin * plugin)
{
#if 0
if (!gst_element_register (plugin, "jpegenc", GST_RANK_NONE,
GST_TYPE_JPEGENC))
return FALSE;
#endif
if (!gst_element_register (plugin, "jpegdec", GST_RANK_PRIMARY,
GST_TYPE_JPEG_DEC))
return FALSE;
#if 0
if (!gst_element_register (plugin, "smokeenc", GST_RANK_PRIMARY,
GST_TYPE_SMOKEENC))
return FALSE;
/*
if (!gst_element_register (plugin, "smokedec", GST_RANK_PRIMARY,
GST_TYPE_SMOKEDEC))
return FALSE;
return FALSE;
if (!gst_type_find_register (plugin, "video/x-smoke", GST_RANK_PRIMARY,
smoke_type_find, NULL, SMOKE_CAPS, NULL))
return FALSE;
#endif
*/
return TRUE;
}

43
ext/jpeg/gstjpegenc.c
View file

@ -77,8 +77,8 @@ static void gst_jpegenc_class_init (GstJpegEnc * klass);
static void gst_jpegenc_init (GstJpegEnc * jpegenc);
static void gst_jpegenc_finalize (GObject * object);
static void gst_jpegenc_chain (GstPad * pad, GstData * _data);
static GstPadLinkReturn gst_jpegenc_link (GstPad * pad, const GstCaps * caps);
static GstFlowReturn gst_jpegenc_chain (GstPad * pad, GstBuffer * buf);
static gboolean gst_jpegenc_setcaps (GstPad * pad, GstCaps * caps);
static GstCaps *gst_jpegenc_getcaps (GstPad * pad);
static void gst_jpegenc_resync (GstJpegEnc * jpegenc);
@ -101,7 +101,7 @@ gst_jpegenc_get_type (void)
if (!jpegenc_type) {
static const GTypeInfo jpegenc_info = {
sizeof (GstJpegEnc),
gst_jpegenc_base_init,
(GBaseInitFunc) gst_jpegenc_base_init,
NULL,
(GClassInitFunc) gst_jpegenc_class_init,
NULL,
@ -162,6 +162,10 @@ gst_jpegenc_class_init (GstJpegEnc * klass)
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstJpegEncClass, frame_encoded), NULL,
NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
gobject_class->set_property = gst_jpegenc_set_property;
gobject_class->get_property = gst_jpegenc_get_property;
g_object_class_install_property (gobject_class, ARG_QUALITY,
g_param_spec_int ("quality", "Quality", "Quality of encoding",
0, 100, JPEG_DEFAULT_QUALITY, G_PARAM_READWRITE));
@ -172,8 +176,6 @@ gst_jpegenc_class_init (GstJpegEnc * klass)
0, 100, 0, G_PARAM_READWRITE));
#endif
gobject_class->set_property = gst_jpegenc_set_property;
gobject_class->get_property = gst_jpegenc_get_property;
gstelement_class->change_state = gst_jpegenc_change_state;
gobject_class->finalize = gst_jpegenc_finalize;
@ -210,14 +212,15 @@ gst_jpegenc_init (GstJpegEnc * jpegenc)
(&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_pad_set_setcaps_function (jpegenc->sinkpad, gst_jpegenc_setcaps);
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_pad_set_setcaps_function (jpegenc->sinkpad, gst_jpegenc_setcaps); */
gst_pad_use_fixed_caps (jpegenc->sinkpad);
gst_element_add_pad (GST_ELEMENT (jpegenc), jpegenc->srcpad);
/* reset the initial video state */
@ -284,14 +287,14 @@ gst_jpegenc_getcaps (GstPad * pad)
return caps;
}
static GstPadLinkReturn
gst_jpegenc_link (GstPad * pad, const GstCaps * caps)
static gboolean
gst_jpegenc_setcaps (GstPad * pad, GstCaps * caps)
{
GstJpegEnc *jpegenc = GST_JPEGENC (gst_pad_get_parent (pad));
GstStructure *structure;
GstPadLinkReturn ret;
GstCaps *othercaps;
GstPad *otherpad;
gboolean ret;
otherpad = (pad == jpegenc->srcpad) ? jpegenc->sinkpad : jpegenc->srcpad;
@ -306,8 +309,8 @@ gst_jpegenc_link (GstPad * pad, const GstCaps * caps)
"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);
ret = gst_pad_set_caps (jpegenc->srcpad, othercaps);
gst_caps_unref (othercaps);
if (GST_PAD_LINK_SUCCESSFUL (ret)) {
gst_jpegenc_resync (jpegenc);
@ -383,10 +386,9 @@ gst_jpegenc_resync (GstJpegEnc * jpegenc)
GST_DEBUG ("gst_jpegenc_resync: resync done");
}
static void
gst_jpegenc_chain (GstPad * pad, GstData * _data)
static GstFlowReturn
gst_jpegenc_chain (GstPad * pad, GstBuffer * buf)
{
GstBuffer *buf = GST_BUFFER (_data);
GstJpegEnc *jpegenc;
guchar *data, *outdata;
gulong size, outsize;
@ -397,11 +399,6 @@ gst_jpegenc_chain (GstPad * pad, GstData * _data)
guchar *base[3];
gint i, j, k;
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)); */
/*usleep(10000); */
jpegenc = GST_JPEGENC (GST_OBJECT_PARENT (pad));
@ -454,11 +451,13 @@ gst_jpegenc_chain (GstPad * pad, GstData * _data)
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, outbuf);
g_signal_emit (G_OBJECT (jpegenc), gst_jpegenc_signals[FRAME_ENCODED], 0);
gst_buffer_unref (buf);
/*gst_buffer_unref (buf); */
return GST_FLOW_OK;
}
static void

40
ext/jpeg/gstsmokeenc.c
View file

@ -64,8 +64,8 @@ static void gst_smokeenc_base_init (gpointer g_class);
static void gst_smokeenc_class_init (GstSmokeEnc * klass);
static void gst_smokeenc_init (GstSmokeEnc * smokeenc);
static void gst_smokeenc_chain (GstPad * pad, GstData * _data);
static GstPadLinkReturn gst_smokeenc_link (GstPad * pad, const GstCaps * caps);
static GstFlowReturn gst_smokeenc_chain (GstPad * pad, GstBuffer * buf);
static gboolean gst_smokeenc_setcaps (GstPad * pad, GstCaps * caps);
static GstCaps *gst_smokeenc_getcaps (GstPad * pad);
static void gst_smokeenc_resync (GstSmokeEnc * smokeenc);
@ -86,7 +86,7 @@ gst_smokeenc_get_type (void)
if (!smokeenc_type) {
static const GTypeInfo smokeenc_info = {
sizeof (GstSmokeEncClass),
gst_smokeenc_base_init,
(GBaseInitFunc) gst_smokeenc_base_init,
NULL,
(GClassInitFunc) gst_smokeenc_class_init,
NULL,
@ -142,6 +142,9 @@ gst_smokeenc_class_init (GstSmokeEnc * klass)
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_smokeenc_set_property;
gobject_class->get_property = gst_smokeenc_get_property;
g_object_class_install_property (gobject_class, ARG_MIN_QUALITY,
g_param_spec_int ("qmin", "Qmin", "Minimum quality",
0, 100, SMOKEENC_DEFAULT_MIN_QUALITY, G_PARAM_READWRITE));
@ -156,9 +159,6 @@ gst_smokeenc_class_init (GstSmokeEnc * klass)
"Insert keyframe every N frames", 1, 100000,
SMOKEENC_DEFAULT_KEYFRAME, G_PARAM_READWRITE));
gobject_class->set_property = gst_smokeenc_set_property;
gobject_class->get_property = gst_smokeenc_get_property;
GST_DEBUG_CATEGORY_INIT (smokeenc_debug, "smokeenc", 0,
"Smoke encoding element");
}
@ -172,14 +172,15 @@ gst_smokeenc_init (GstSmokeEnc * smokeenc)
(&gst_smokeenc_sink_pad_template), "sink");
gst_pad_set_chain_function (smokeenc->sinkpad, gst_smokeenc_chain);
gst_pad_set_getcaps_function (smokeenc->sinkpad, gst_smokeenc_getcaps);
gst_pad_set_link_function (smokeenc->sinkpad, gst_smokeenc_link);
gst_pad_set_setcaps_function (smokeenc->sinkpad, gst_smokeenc_setcaps);
gst_element_add_pad (GST_ELEMENT (smokeenc), smokeenc->sinkpad);
smokeenc->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_smokeenc_src_pad_template), "src");
gst_pad_set_getcaps_function (smokeenc->sinkpad, gst_smokeenc_getcaps);
gst_pad_set_link_function (smokeenc->sinkpad, gst_smokeenc_link);
gst_pad_use_fixed_caps (smokeenc->sinkpad);
/*gst_pad_set_link_function (smokeenc->sinkpad, gst_smokeenc_link); */
gst_element_add_pad (GST_ELEMENT (smokeenc), smokeenc->srcpad);
/* reset the initial video state */
@ -230,12 +231,12 @@ gst_smokeenc_getcaps (GstPad * pad)
return caps;
}
static GstPadLinkReturn
gst_smokeenc_link (GstPad * pad, const GstCaps * caps)
static gboolean
gst_smokeenc_setcaps (GstPad * pad, GstCaps * caps)
{
GstSmokeEnc *smokeenc = GST_SMOKEENC (gst_pad_get_parent (pad));
GstStructure *structure;
GstPadLinkReturn ret;
gboolean ret = TRUE;
GstCaps *othercaps;
GstPad *otherpad;
@ -252,8 +253,8 @@ gst_smokeenc_link (GstPad * pad, const GstCaps * caps)
"height", G_TYPE_INT, smokeenc->height,
"framerate", G_TYPE_DOUBLE, smokeenc->fps, NULL);
ret = gst_pad_try_set_caps (smokeenc->srcpad, othercaps);
gst_caps_free (othercaps);
ret = gst_pad_set_caps (smokeenc->srcpad, othercaps);
gst_caps_unref (othercaps);
if (GST_PAD_LINK_SUCCESSFUL (ret)) {
gst_smokeenc_resync (smokeenc);
@ -286,10 +287,9 @@ gst_smokeenc_resync (GstSmokeEnc * smokeenc)
GST_DEBUG ("gst_smokeenc_resync: resync done");
}
static void
gst_smokeenc_chain (GstPad * pad, GstData * _data)
static GstFlowReturn
gst_smokeenc_chain (GstPad * pad, GstBuffer * buf)
{
GstBuffer *buf = GST_BUFFER (_data);
GstSmokeEnc *smokeenc;
guchar *data, *outdata;
gulong size;
@ -316,7 +316,7 @@ gst_smokeenc_chain (GstPad * pad, GstData * _data)
GST_BUFFER_SIZE (outbuf) = encsize;
gst_pad_push (smokeenc->srcpad, GST_DATA (outbuf));
gst_pad_push (smokeenc->srcpad, outbuf);
smokeenc->need_header = FALSE;
}
@ -336,15 +336,17 @@ gst_smokeenc_chain (GstPad * pad, GstData * _data)
smokeenc->max_quality);
smokecodec_set_threshold (smokeenc->info, smokeenc->threshold);
smokecodec_encode (smokeenc->info, data, flags, outdata, &encsize);
gst_buffer_unref (buf);
/*gst_buffer_unref (buf); */
GST_BUFFER_SIZE (outbuf) = encsize;
GST_BUFFER_OFFSET (outbuf) = smokeenc->frame;
GST_BUFFER_OFFSET_END (outbuf) = smokeenc->frame + 1;
gst_pad_push (smokeenc->srcpad, GST_DATA (outbuf));
gst_pad_push (smokeenc->srcpad, outbuf);
smokeenc->frame++;
return GST_FLOW_OK;
}
static void