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gstreamer/ext/xvid/gstxvidenc.c
Thomas Vander Stichele 7fa1c52301 change NULL to (NULL) for GST_ELEMENT_ERROR 
Original commit message from CVS:
change NULL to (NULL) for GST_ELEMENT_ERROR
Make sure errors end with "."
2004-02-02 17:23:33 +00:00

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/* GStreamer xvid encoder plugin
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* 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 <xvid.h>
#include <gst/video/video.h>
#include "gstxvidenc.h"
/* elementfactory information */
GstElementDetails gst_xvidenc_details = {
"Xvid encoder",
"Codec/Video/Encoder",
"Xvid encoder based on xvidcore",
"Ronald Bultje <rbultje@ronald.bitfreak.net>",
};
static GstStaticPadTemplate sink_template =
GST_STATIC_PAD_TEMPLATE (
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
GST_VIDEO_CAPS_YUV ("{ I420, YUY2, YV12, YVYU, UYVY }") "; "
RGB_24_32_STATIC_CAPS (32, 0x00ff0000, 0x0000ff00, 0x000000ff) "; "
RGB_24_32_STATIC_CAPS (32, 0xff000000, 0x00ff0000, 0x0000ff00) "; "
RGB_24_32_STATIC_CAPS (32, 0x0000ff00, 0x00ff0000, 0xff000000) "; "
RGB_24_32_STATIC_CAPS (32, 0x000000ff, 0x0000ff00, 0x00ff0000) "; "
RGB_24_32_STATIC_CAPS (24, 0x0000ff, 0x00ff00, 0xff0000) "; "
GST_VIDEO_CAPS_RGB_15 "; "
GST_VIDEO_CAPS_RGB_16
)
);
static GstStaticPadTemplate src_template =
GST_STATIC_PAD_TEMPLATE (
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
"video/x-xvid, "
"width = (int) [ 0, MAX ], "
"height = (int) [ 0, MAX ], "
"framerate = (double) [ 0.0, MAX ]"
)
);
/* XvidEnc signals and args */
enum {
FRAME_ENCODED,
LAST_SIGNAL
};
enum {
ARG_0,
ARG_PROFILE,
ARG_BITRATE,
ARG_MAXKEYINTERVAL,
ARG_BUFSIZE
/* FILL ME:
* - ME
* - VOP
* - VOL
* - PAR
* - max b frames
*/
};
static void gst_xvidenc_base_init (gpointer g_class);
static void gst_xvidenc_class_init (GstXvidEncClass *klass);
static void gst_xvidenc_init (GstXvidEnc *xvidenc);
static void gst_xvidenc_chain (GstPad *pad,
GstData *data);
static GstPadLinkReturn
gst_xvidenc_link (GstPad *pad,
const GstCaps *vscapslist);
/* properties */
static void gst_xvidenc_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gst_xvidenc_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static GstElementStateReturn
gst_xvidenc_change_state (GstElement *element);
static GstElementClass *parent_class = NULL;
static guint gst_xvidenc_signals[LAST_SIGNAL] = { 0 };
#define GST_TYPE_XVIDENC_PROFILE (gst_xvidenc_profile_get_type ())
static GType
gst_xvidenc_profile_get_type (void)
{
static GType xvidenc_profile_type = 0;
if (!xvidenc_profile_type) {
static const GEnumValue xvidenc_profiles[] = {
{ XVID_PROFILE_S_L0, "S_L0", "Simple profile, L0" },
{ XVID_PROFILE_S_L1, "S_L1", "Simple profile, L1" },
{ XVID_PROFILE_S_L2, "S_L2", "Simple profile, L2" },
{ XVID_PROFILE_S_L3, "S_L3", "Simple profile, L3" },
{ XVID_PROFILE_ARTS_L1, "ARTS_L1", "Advanced real-time simple profile, L1" },
{ XVID_PROFILE_ARTS_L2, "ARTS_L2", "Advanced real-time simple profile, L2" },
{ XVID_PROFILE_ARTS_L3, "ARTS_L3", "Advanced real-time simple profile, L3" },
{ XVID_PROFILE_ARTS_L4, "ARTS_L4", "Advanced real-time simple profile, L4" },
{ XVID_PROFILE_AS_L0, "AS_L0", "Advanced simple profile, L0" },
{ XVID_PROFILE_AS_L1, "AS_L1", "Advanced simple profile, L1" },
{ XVID_PROFILE_AS_L2, "AS_L2", "Advanced simple profile, L2" },
{ XVID_PROFILE_AS_L3, "AS_L3", "Advanced simple profile, L3" },
{ XVID_PROFILE_AS_L4, "AS_L4", "Advanced simple profile, L4" },
{ 0, NULL, NULL },
};
xvidenc_profile_type =
g_enum_register_static ("GstXvidEncProfiles",
xvidenc_profiles);
}
return xvidenc_profile_type;
}
GType
gst_xvidenc_get_type(void)
{
static GType xvidenc_type = 0;
if (!xvidenc_type)
{
static const GTypeInfo xvidenc_info = {
sizeof(GstXvidEncClass),
gst_xvidenc_base_init,
NULL,
(GClassInitFunc) gst_xvidenc_class_init,
NULL,
NULL,
sizeof(GstXvidEnc),
0,
(GInstanceInitFunc) gst_xvidenc_init,
};
xvidenc_type = g_type_register_static(GST_TYPE_ELEMENT,
"GstXvidEnc",
&xvidenc_info, 0);
}
return xvidenc_type;
}
static void
gst_xvidenc_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 (&sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
gst_element_class_set_details (element_class, &gst_xvidenc_details);
}
static void
gst_xvidenc_class_init (GstXvidEncClass *klass)
{
GstElementClass *gstelement_class;
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
/* encoding profile */
g_object_class_install_property(gobject_class, ARG_PROFILE,
g_param_spec_enum("profile", "Profile", "XviD/MPEG-4 encoding profile",
GST_TYPE_XVIDENC_PROFILE, XVID_PROFILE_S_L0,
G_PARAM_READWRITE));
/* bitrate */
g_object_class_install_property(gobject_class, ARG_BITRATE,
g_param_spec_int("bitrate","Bitrate",
"Target video bitrate (kbps)",
0,G_MAXINT,512,G_PARAM_READWRITE));
/* keyframe interval */
g_object_class_install_property(gobject_class, ARG_MAXKEYINTERVAL,
g_param_spec_int("max_key_interval","Max. Key Interval",
"Maximum number of frames between two keyframes",
0,G_MAXINT,0,G_PARAM_READWRITE));
g_object_class_install_property(gobject_class, ARG_BUFSIZE,
g_param_spec_ulong("buffer_size", "Buffer Size",
"Size of the video buffers",
0,G_MAXULONG,0,G_PARAM_READWRITE));
gobject_class->set_property = gst_xvidenc_set_property;
gobject_class->get_property = gst_xvidenc_get_property;
gstelement_class->change_state = gst_xvidenc_change_state;
gst_xvidenc_signals[FRAME_ENCODED] =
g_signal_new ("frame_encoded", G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstXvidEncClass, frame_encoded),
NULL, NULL,
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
}
static void
gst_xvidenc_init (GstXvidEnc *xvidenc)
{
gst_xvid_init();
/* create the sink pad */
xvidenc->sinkpad = gst_pad_new_from_template(
gst_static_pad_template_get (&sink_template),
"sink");
gst_element_add_pad(GST_ELEMENT(xvidenc), xvidenc->sinkpad);
gst_pad_set_chain_function(xvidenc->sinkpad, gst_xvidenc_chain);
gst_pad_set_link_function(xvidenc->sinkpad, gst_xvidenc_link);
/* create the src pad */
xvidenc->srcpad = gst_pad_new_from_template(
gst_static_pad_template_get (&src_template),
"src");
gst_element_add_pad(GST_ELEMENT(xvidenc), xvidenc->srcpad);
/* bitrate, etc. */
xvidenc->width = xvidenc->height = xvidenc->csp = xvidenc->stride = -1;
xvidenc->profile = XVID_PROFILE_S_L0;
xvidenc->bitrate = 512;
xvidenc->max_b_frames = 2;
xvidenc->max_key_interval = -1; /* default - 2*fps */
xvidenc->buffer_size = 512;
/* set xvid handle to NULL */
xvidenc->handle = NULL;
}
static gboolean
gst_xvidenc_setup (GstXvidEnc *xvidenc)
{
xvid_enc_create_t xenc;
xvid_enc_plugin_t xplugin;
xvid_plugin_single_t xsingle;
gint ret;
/* see xvid.h for the meaning of all this. */
gst_xvid_init_struct (xenc);
xenc.profile = xvidenc->profile;
xenc.width = xvidenc->width;
xenc.height = xvidenc->height;
xenc.max_bframes = xvidenc->max_b_frames;
xenc.global = XVID_GLOBAL_PACKED;
xenc.fbase = 1000000;
xenc.fincr = (int)(xenc.fbase / xvidenc->fps);
xenc.max_key_interval = (xvidenc->max_key_interval == -1) ?
(2 * xenc.fbase / xenc.fincr) :
xvidenc->max_key_interval;
xenc.handle = NULL;
/* CBR bitrate/quant for now */
gst_xvid_init_struct (xsingle);
xsingle.bitrate = xvidenc->bitrate << 10;
xsingle.reaction_delay_factor = -1;
xsingle.averaging_period = -1;
xsingle.buffer = -1;
/* set CBR plugin */
xenc.num_plugins = 1;
xenc.plugins = &xplugin;
xenc.plugins[0].func = xvid_plugin_single;
xenc.plugins[0].param = &xsingle;
if ((ret = xvid_encore(NULL, XVID_ENC_CREATE,
&xenc, NULL)) < 0) {
GST_ELEMENT_ERROR (xvidenc, LIBRARY, INIT, (NULL),
("Error setting up xvid encoder: %s (%d)",
gst_xvid_error(ret), ret));
return FALSE;
}
xvidenc->handle = xenc.handle;
return TRUE;
}
static void
gst_xvidenc_chain (GstPad *pad,
GstData *_data)
{
GstBuffer *buf = GST_BUFFER (_data);
GstXvidEnc *xvidenc = GST_XVIDENC(GST_OBJECT_PARENT(pad));
GstBuffer *outbuf;
xvid_enc_frame_t xframe;
xvid_enc_stats_t xstats;
gint ret;
g_return_if_fail(pad != NULL);
g_return_if_fail(GST_IS_PAD(pad));
outbuf = gst_buffer_new_and_alloc(xvidenc->buffer_size << 10);
GST_BUFFER_TIMESTAMP(outbuf) = GST_BUFFER_TIMESTAMP(buf);
GST_BUFFER_DURATION(outbuf) = GST_BUFFER_DURATION(buf);
/* encode and so ... */
gst_xvid_init_struct (xframe);
xframe.vol_flags = XVID_VOL_MPEGQUANT |
XVID_VOL_GMC;
xframe.par = XVID_PAR_11_VGA;
xframe.vop_flags = XVID_VOP_TRELLISQUANT;
xframe.motion = 0;
xframe.input.csp = xvidenc->csp;
if (xvidenc->width == xvidenc->stride) {
xframe.input.plane[0] = GST_BUFFER_DATA(buf);
xframe.input.plane[1] = xframe.input.plane[0] + (xvidenc->width * xvidenc->height);
xframe.input.plane[2] = xframe.input.plane[1] + (xvidenc->width * xvidenc->height / 4);
xframe.input.stride[0] = xvidenc->width;
xframe.input.stride[1] = xvidenc->width / 2;
xframe.input.stride[2] = xvidenc->width / 2;
} else {
xframe.input.plane[0] = GST_BUFFER_DATA(buf);
xframe.input.stride[0] = xvidenc->stride;
}
xframe.type = XVID_TYPE_AUTO;
xframe.bitstream = (void *) GST_BUFFER_DATA(outbuf);
xframe.length = GST_BUFFER_MAXSIZE(outbuf);
gst_xvid_init_struct (xstats);
if ((ret = xvid_encore(xvidenc->handle, XVID_ENC_ENCODE,
&xframe, &xstats)) < 0) {
GST_ELEMENT_ERROR (xvidenc, LIBRARY, ENCODE, (NULL),
("Error encoding xvid frame: %s (%d)",
gst_xvid_error(ret), ret));
gst_buffer_unref(buf);
gst_buffer_unref(outbuf);
return;
}
GST_BUFFER_SIZE(outbuf) = xstats.length;
if (xframe.out_flags & XVID_KEYFRAME)
GST_BUFFER_FLAG_SET(outbuf, GST_BUFFER_KEY_UNIT);
/* go out, multiply! */
gst_pad_push(xvidenc->srcpad, GST_DATA (outbuf));
/* proclaim destiny */
g_signal_emit(G_OBJECT(xvidenc),gst_xvidenc_signals[FRAME_ENCODED], 0);
/* until the final judgement */
gst_buffer_unref(buf);
}
static GstPadLinkReturn
gst_xvidenc_link (GstPad *pad,
const GstCaps *vscaps)
{
GstXvidEnc *xvidenc;
GstStructure *structure;
const gchar *mime;
gint w, h;
double fps;
gint xvid_cs = -1, stride = -1;
xvidenc = GST_XVIDENC(gst_pad_get_parent (pad));
/* if there's something old around, remove it */
if (xvidenc->handle) {
xvid_encore(xvidenc->handle, XVID_ENC_DESTROY, NULL, NULL);
xvidenc->handle = NULL;
}
g_return_val_if_fail (gst_caps_get_size (vscaps) == 1, GST_PAD_LINK_REFUSED);
structure = gst_caps_get_structure (vscaps, 0);
gst_structure_get_int (structure, "width", &w);
gst_structure_get_int (structure, "height", &h);
gst_structure_get_double (structure, "framerate", &fps);
mime = gst_structure_get_name (structure);
xvid_cs = gst_xvid_structure_to_csp (structure, w, &stride, NULL);
g_return_val_if_fail (xvid_cs != -1, GST_PAD_LINK_REFUSED);
xvidenc->csp = xvid_cs;
xvidenc->width = w;
xvidenc->height = h;
xvidenc->stride = stride;
xvidenc->fps = fps;
if (gst_xvidenc_setup(xvidenc)) {
GstPadLinkReturn ret;
GstCaps *new_caps;
new_caps = gst_caps_new_simple("video/x-xvid",
"width", G_TYPE_INT, w,
"height", G_TYPE_INT, h,
"framerate", G_TYPE_DOUBLE, fps, NULL);
ret = gst_pad_try_set_caps(xvidenc->srcpad, new_caps);
if (GST_PAD_LINK_FAILED (ret)) {
if (xvidenc->handle) {
xvid_encore(xvidenc->handle, XVID_ENC_DESTROY, NULL, NULL);
xvidenc->handle = NULL;
}
}
return ret;
}
/* if we got here - it's not good */
return GST_PAD_LINK_REFUSED;
}
static void
gst_xvidenc_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GstXvidEnc *xvidenc;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_XVIDENC (object));
xvidenc = GST_XVIDENC(object);
switch (prop_id)
{
case ARG_PROFILE:
xvidenc->profile = g_value_get_enum(value);
break;
case ARG_BITRATE:
xvidenc->bitrate = g_value_get_int(value);
break;
case ARG_BUFSIZE:
xvidenc->buffer_size = g_value_get_int(value);
break;
case ARG_MAXKEYINTERVAL:
xvidenc->max_key_interval = g_value_get_int(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_xvidenc_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GstXvidEnc *xvidenc;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_XVIDENC (object));
xvidenc = GST_XVIDENC(object);
switch (prop_id) {
case ARG_PROFILE:
g_value_set_enum(value, xvidenc->profile);
break;
case ARG_BITRATE:
g_value_set_int(value, xvidenc->bitrate);
break;
case ARG_BUFSIZE:
g_value_set_int(value, xvidenc->buffer_size);
break;
case ARG_MAXKEYINTERVAL:
g_value_set_int(value, xvidenc->max_key_interval);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstElementStateReturn
gst_xvidenc_change_state (GstElement *element)
{
GstXvidEnc *xvidenc = GST_XVIDENC (element);
switch (GST_STATE_PENDING (element)) {
case GST_STATE_PAUSED_TO_READY:
if (xvidenc->handle) {
xvid_encore(xvidenc->handle, XVID_ENC_DESTROY, NULL, NULL);
xvidenc->handle = NULL;
}
break;
default:
break;
}
if (parent_class->change_state)
return parent_class->change_state (element);
return GST_STATE_SUCCESS;
}
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