gstreamer/ext/jpeg/gstsmokeenc.c
Stefan Kost b5af832d7b Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent)
Original commit message from CVS:
* ext/aalib/gstaasink.c: (gst_aasink_class_init):
* ext/esd/esdsink.c: (gst_esdsink_class_init):
* ext/flac/gstflactag.c: (gst_flac_tag_class_init):
* ext/gdk_pixbuf/gstgdkpixbuf.c: (gst_gdk_pixbuf_class_init):
* ext/jpeg/gstjpegenc.c: (gst_jpegenc_class_init):
* ext/jpeg/gstsmokedec.c: (gst_smokedec_class_init):
* ext/jpeg/gstsmokeenc.c: (gst_smokeenc_class_init):
* ext/libcaca/gstcacasink.c: (gst_cacasink_class_init):
* ext/libmng/gstmngdec.c: (gst_mngdec_class_init):
* ext/libmng/gstmngenc.c: (gst_mngenc_class_init):
* ext/libpng/gstpngdec.c: (gst_pngdec_class_init):
* ext/libpng/gstpngenc.c: (gst_pngenc_class_init):
* ext/mikmod/gstmikmod.c: (gst_mikmod_class_init):
* ext/shout2/gstshout2.c: (gst_shout2send_class_init):
* ext/speex/gstspeexenc.c: (gst_speexenc_class_init):
* gst/alpha/gstalpha.c: (gst_alpha_class_init):
* gst/avi/gstavimux.c: (gst_avimux_class_init):
* gst/debug/efence.c: (gst_efence_class_init):
* gst/debug/negotiation.c: (gst_negotiation_class_init):
* gst/flx/gstflxdec.c: (gst_flxdec_class_init):
* gst/goom/gstgoom.c: (gst_goom_class_init):
* gst/id3demux/gstid3demux.c: (gst_id3demux_class_init):
* gst/interleave/deinterleave.c: (deinterleave_class_init):
* gst/interleave/interleave.c: (interleave_class_init):
* gst/law/alaw-decode.c: (gst_alawdec_class_init):
* gst/law/alaw-encode.c: (gst_alawenc_class_init):
* gst/law/mulaw-encode.c: (gst_mulawenc_class_init):
* gst/median/gstmedian.c: (gst_median_class_init):
* gst/monoscope/gstmonoscope.c: (gst_monoscope_class_init):
* gst/multipart/multipartmux.c: (gst_multipart_mux_class_init):
* gst/rtp/gstasteriskh263.c: (gst_asteriskh263_class_init):
* gst/rtp/gstrtpL16depay.c: (gst_rtp_L16depay_class_init):
* gst/rtp/gstrtpL16pay.c: (gst_rtpL16pay_class_init):
* gst/rtp/gstrtpamrdepay.c: (gst_rtp_amr_depay_class_init):
* gst/rtp/gstrtpamrpay.c: (gst_rtp_amr_pay_class_init):
* gst/rtp/gstrtpdepay.c: (gst_rtp_depay_class_init):
* gst/rtp/gstrtpgsmdepay.c: (gst_rtp_gsm_depay_class_init):
* gst/rtp/gstrtpgsmpay.c: (gst_rtp_gsm_pay_class_init):
* gst/rtp/gstrtph263pay.c: (gst_rtp_h263_pay_class_init):
* gst/rtp/gstrtph263pdepay.c: (gst_rtp_h263p_depay_class_init):
* gst/rtp/gstrtph263ppay.c: (gst_rtp_h263p_pay_class_init):
* gst/rtp/gstrtpmp4gpay.c: (gst_rtp_mp4g_pay_class_init):
* gst/rtp/gstrtpmp4vdepay.c: (gst_rtp_mp4v_depay_class_init):
* gst/rtp/gstrtpmp4vpay.c: (gst_rtp_mp4v_pay_class_init):
* gst/rtp/gstrtpmpadepay.c: (gst_rtp_mpa_depay_class_init):
* gst/rtp/gstrtpmpapay.c: (gst_rtp_mpa_pay_class_init):
* gst/rtp/gstrtppcmadepay.c: (gst_rtp_pcma_depay_class_init):
* gst/rtp/gstrtppcmapay.c: (gst_rtp_pcma_pay_class_init):
* gst/rtp/gstrtppcmudepay.c: (gst_rtp_pcmu_depay_class_init):
* gst/rtp/gstrtppcmupay.c: (gst_rtp_pcmu_pay_class_init):
* gst/rtp/gstrtpspeexdepay.c: (gst_rtp_speex_depay_class_init):
* gst/rtp/gstrtpspeexpay.c: (gst_rtp_speex_pay_class_init):
* gst/rtsp/gstrtpdec.c: (gst_rtpdec_class_init):
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_class_init):
* gst/smpte/gstsmpte.c: (gst_smpte_class_init):
* gst/udp/gstdynudpsink.c: (gst_dynudpsink_class_init):
* gst/udp/gstmultiudpsink.c: (gst_multiudpsink_class_init):
* gst/udp/gstudpsink.c: (gst_udpsink_class_init):
* gst/videomixer/videomixer.c: (gst_videomixer_class_init):
* gst/wavenc/gstwavenc.c: (gst_wavenc_class_init):
* sys/oss/gstossdmabuffer.c: (gst_ossdmabuffer_class_init):
* sys/oss/gstosssink.c: (gst_oss_sink_class_init):
* sys/osxaudio/gstosxaudioelement.c:
(gst_osxaudioelement_class_init):
* sys/osxaudio/gstosxaudiosink.c: (gst_osxaudiosink_class_init):
* sys/osxaudio/gstosxaudiosrc.c: (gst_osxaudiosrc_class_init):
* sys/sunaudio/gstsunaudiosink.c: (gst_sunaudiosink_class_init):
Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent)
2006-04-08 21:21:45 +00:00

412 lines
12 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "gstsmokeenc.h"
#include <gst/video/video.h>
/* elementfactory information */
GstElementDetails gst_smokeenc_details =
GST_ELEMENT_DETAILS ("Smoke video encoder",
"Codec/Encoder/Video",
"Encode images into the Smoke format",
"Wim Taymans <wim@fluendo.com>");
GST_DEBUG_CATEGORY (smokeenc_debug);
#define GST_CAT_DEFAULT smokeenc_debug
#define SMOKEENC_DEFAULT_MIN_QUALITY 10
#define SMOKEENC_DEFAULT_MAX_QUALITY 85
#define SMOKEENC_DEFAULT_THRESHOLD 3000
#define SMOKEENC_DEFAULT_KEYFRAME 20
/* SmokeEnc signals and args */
enum
{
FRAME_ENCODED,
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_MIN_QUALITY,
ARG_MAX_QUALITY,
ARG_THRESHOLD,
ARG_KEYFRAME
/* FILL ME */
};
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 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);
static void gst_smokeenc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_smokeenc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstElementClass *parent_class = NULL;
//static guint gst_smokeenc_signals[LAST_SIGNAL] = { 0 };
GType
gst_smokeenc_get_type (void)
{
static GType smokeenc_type = 0;
if (!smokeenc_type) {
static const GTypeInfo smokeenc_info = {
sizeof (GstSmokeEncClass),
(GBaseInitFunc) gst_smokeenc_base_init,
NULL,
(GClassInitFunc) gst_smokeenc_class_init,
NULL,
NULL,
sizeof (GstSmokeEnc),
0,
(GInstanceInitFunc) gst_smokeenc_init,
};
smokeenc_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstSmokeEnc", &smokeenc_info,
0);
}
return smokeenc_type;
}
static GstStaticPadTemplate gst_smokeenc_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_smokeenc_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-smoke, "
"width = (int) [ 16, 4096 ], "
"height = (int) [ 16, 4096 ], " "framerate = (fraction) [ 0/1, MAX ]")
);
static void
gst_smokeenc_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_smokeenc_sink_pad_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_smokeenc_src_pad_template));
gst_element_class_set_details (element_class, &gst_smokeenc_details);
}
static void
gst_smokeenc_class_init (GstSmokeEnc * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_peek_parent (klass);
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));
g_object_class_install_property (gobject_class, ARG_MAX_QUALITY,
g_param_spec_int ("qmax", "Qmax", "Maximum quality",
0, 100, SMOKEENC_DEFAULT_MAX_QUALITY, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_THRESHOLD,
g_param_spec_int ("threshold", "Threshold", "Motion estimation threshold",
0, 100000000, SMOKEENC_DEFAULT_THRESHOLD, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_KEYFRAME,
g_param_spec_int ("keyframe", "Keyframe",
"Insert keyframe every N frames", 1, 100000,
SMOKEENC_DEFAULT_KEYFRAME, G_PARAM_READWRITE));
GST_DEBUG_CATEGORY_INIT (smokeenc_debug, "smokeenc", 0,
"Smoke encoding element");
}
static void
gst_smokeenc_init (GstSmokeEnc * smokeenc)
{
/* create the sink and src pads */
smokeenc->sinkpad =
gst_pad_new_from_static_template (&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_setcaps_function (smokeenc->sinkpad, gst_smokeenc_setcaps);
gst_element_add_pad (GST_ELEMENT (smokeenc), smokeenc->sinkpad);
smokeenc->srcpad =
gst_pad_new_from_static_template (&gst_smokeenc_src_pad_template, "src");
gst_pad_set_getcaps_function (smokeenc->sinkpad, gst_smokeenc_getcaps);
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 */
smokeenc->width = 0;
smokeenc->height = 0;
smokeenc->frame = 0;
smokeenc->need_header = TRUE;
gst_smokeenc_resync (smokeenc);
smokeenc->min_quality = SMOKEENC_DEFAULT_MIN_QUALITY;
smokeenc->max_quality = SMOKEENC_DEFAULT_MAX_QUALITY;
smokeenc->threshold = SMOKEENC_DEFAULT_THRESHOLD;
smokeenc->keyframe = SMOKEENC_DEFAULT_KEYFRAME;
}
static GstCaps *
gst_smokeenc_getcaps (GstPad * pad)
{
GstSmokeEnc *smokeenc = GST_SMOKEENC (gst_pad_get_parent (pad));
GstPad *otherpad;
GstCaps *caps;
const char *name;
int i;
GstStructure *structure = NULL;
/* we want to proxy properties like width, height and framerate from the
other end of the element */
otherpad = (pad == smokeenc->srcpad) ? smokeenc->sinkpad : smokeenc->srcpad;
caps = gst_pad_get_allowed_caps (otherpad);
if (pad == smokeenc->srcpad) {
name = "image/x-smoke";
} 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");
/* ... but for the sink pad, we only do I420 anyway, so add that */
if (pad == smokeenc->sinkpad) {
gst_structure_set (structure, "format", GST_TYPE_FOURCC,
GST_STR_FOURCC ("I420"), NULL);
}
}
gst_object_unref (smokeenc);
return caps;
}
static gboolean
gst_smokeenc_setcaps (GstPad * pad, GstCaps * caps)
{
GstSmokeEnc *smokeenc = GST_SMOKEENC (gst_pad_get_parent (pad));
GstStructure *structure;
gboolean ret = TRUE;
GstCaps *othercaps;
GstPad *otherpad;
const GValue *framerate;
otherpad = (pad == smokeenc->srcpad) ? smokeenc->sinkpad : smokeenc->srcpad;
structure = gst_caps_get_structure (caps, 0);
framerate = gst_structure_get_value (structure, "framerate");
if (framerate) {
smokeenc->fps_num = gst_value_get_fraction_numerator (framerate);
smokeenc->fps_denom = gst_value_get_fraction_denominator (framerate);
} else {
smokeenc->fps_num = 0;
smokeenc->fps_denom = 1;
}
gst_structure_get_int (structure, "width", &smokeenc->width);
gst_structure_get_int (structure, "height", &smokeenc->height);
othercaps = gst_caps_copy (gst_pad_get_pad_template_caps (otherpad));
gst_caps_set_simple (othercaps,
"width", G_TYPE_INT, smokeenc->width,
"height", G_TYPE_INT, smokeenc->height,
"framerate", GST_TYPE_FRACTION, smokeenc->fps_num, smokeenc->fps_denom,
NULL);
ret = gst_pad_set_caps (smokeenc->srcpad, othercaps);
gst_caps_unref (othercaps);
if (GST_PAD_LINK_SUCCESSFUL (ret)) {
gst_smokeenc_resync (smokeenc);
}
gst_object_unref (smokeenc);
return ret;
}
static void
gst_smokeenc_resync (GstSmokeEnc * smokeenc)
{
GST_DEBUG ("gst_smokeenc_resync: resync");
smokecodec_encode_new (&smokeenc->info, smokeenc->width, smokeenc->height,
smokeenc->fps_num, smokeenc->fps_denom);
smokecodec_set_quality (smokeenc->info, smokeenc->min_quality,
smokeenc->max_quality);
GST_DEBUG ("gst_smokeenc_resync: resync done");
}
static GstFlowReturn
gst_smokeenc_chain (GstPad * pad, GstBuffer * buf)
{
GstSmokeEnc *smokeenc;
guchar *data, *outdata;
gulong size;
gint outsize;
guint encsize;
GstBuffer *outbuf;
SmokeCodecFlags flags;
GstFlowReturn ret;
smokeenc = GST_SMOKEENC (GST_OBJECT_PARENT (pad));
data = GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf);
GST_DEBUG ("gst_smokeenc_chain: got buffer of %ld bytes in '%s'", size,
GST_OBJECT_NAME (smokeenc));
if (smokeenc->need_header) {
outbuf = gst_buffer_new ();
outsize = 256;
outdata = g_malloc (outsize);
GST_BUFFER_DATA (outbuf) = outdata;
GST_BUFFER_MALLOCDATA (outbuf) = outdata;
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buf);
smokecodec_encode_id (smokeenc->info, outdata, &encsize);
GST_BUFFER_SIZE (outbuf) = encsize;
ret = gst_pad_push (smokeenc->srcpad, outbuf);
smokeenc->need_header = FALSE;
}
outbuf = gst_buffer_new ();
outsize = smokeenc->width * smokeenc->height * 3;
outdata = g_malloc (outsize);
GST_BUFFER_DATA (outbuf) = outdata;
GST_BUFFER_MALLOCDATA (outbuf) = outdata;
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
GST_BUFFER_DURATION (outbuf) =
smokeenc->fps_denom * GST_SECOND / smokeenc->fps_num;
flags = 0;
if ((smokeenc->frame % smokeenc->keyframe) == 0) {
flags |= SMOKECODEC_KEYFRAME;
}
smokecodec_set_quality (smokeenc->info, smokeenc->min_quality,
smokeenc->max_quality);
smokecodec_set_threshold (smokeenc->info, smokeenc->threshold);
smokecodec_encode (smokeenc->info, data, flags, outdata, &encsize);
gst_buffer_unref (buf);
GST_BUFFER_SIZE (outbuf) = encsize;
GST_BUFFER_OFFSET (outbuf) = smokeenc->frame;
GST_BUFFER_OFFSET_END (outbuf) = smokeenc->frame + 1;
ret = gst_pad_push (smokeenc->srcpad, outbuf);
smokeenc->frame++;
return ret;
}
static void
gst_smokeenc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSmokeEnc *smokeenc;
g_return_if_fail (GST_IS_SMOKEENC (object));
smokeenc = GST_SMOKEENC (object);
switch (prop_id) {
case ARG_MIN_QUALITY:
smokeenc->min_quality = g_value_get_int (value);
break;
case ARG_MAX_QUALITY:
smokeenc->max_quality = g_value_get_int (value);
break;
case ARG_THRESHOLD:
smokeenc->threshold = g_value_get_int (value);
break;
case ARG_KEYFRAME:
smokeenc->keyframe = g_value_get_int (value);
break;
default:
break;
}
}
static void
gst_smokeenc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstSmokeEnc *smokeenc;
g_return_if_fail (GST_IS_SMOKEENC (object));
smokeenc = GST_SMOKEENC (object);
switch (prop_id) {
case ARG_MIN_QUALITY:
g_value_set_int (value, smokeenc->min_quality);
break;
case ARG_MAX_QUALITY:
g_value_set_int (value, smokeenc->max_quality);
break;
case ARG_THRESHOLD:
g_value_set_int (value, smokeenc->threshold);
break;
case ARG_KEYFRAME:
g_value_set_int (value, smokeenc->keyframe);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}