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Added lots of configurable parameters including the exported objects of fame.

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Original commit message from CVS:
Added lots of configurable parameters including the exported objects of
fame.
This commit is contained in:
Wim Taymans 2002-06-02 10:48:24 +00:00
parent d38b92ded9
commit 4ca1e48612
2 changed files with 364 additions and 171 deletions
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496
ext/libfame/gstlibfame.c
View file

@ -22,20 +22,23 @@
#include "gstlibfame.h" #include "gstlibfame.h"
#define LIBFAME_BUFFER_SIZE (300 * 1024) #define FAMEENC_BUFFER_SIZE (300 * 1024)
/* elementfactory information */ /* elementfactory information */
static GstElementDetails gst_libfame_details = { static GstElementDetails gst_fameenc_details = {
"MPEG1 and MPEG4 video encoder using the libfame library", "MPEG1 and MPEG4 video encoder using the fameenc library",
"Codec/Video/Encoder", "Codec/Video/Encoder",
"Uses libfame to encode MPEG video streams", "Uses fameenc to encode MPEG video streams",
VERSION, VERSION,
"(C) 1996, MPEG Software Simulation Group\n" "fameenc: (C) 2000-2001, Vivien Chappelier\n"
"Thomas Vander Stichele <thomas@apestaart.org>", "Thomas Vander Stichele <thomas@apestaart.org>",
"(C) 2002", "(C) 2002",
}; };
/* Libfame signals and args */ static GQuark fame_object_name;
/* FameEnc signals and args */
enum { enum {
/* FILL ME */ /* FILL ME */
LAST_SIGNAL LAST_SIGNAL
@ -44,9 +47,15 @@ enum {
enum { enum {
ARG_0, ARG_0,
ARG_VERSION, ARG_VERSION,
ARG_FPS, ARG_FRAMERATE,
ARG_BITRATE,
ARG_QUALITY, ARG_QUALITY,
ARG_PATTERN, ARG_PATTERN,
ARG_FAME_VERBOSE,
ARG_BUFFER_SIZE,
ARG_FRAMES_PER_SEQUENCE,
/* dynamically generated properties start here */
ARG_FAME_PROPS_START
/* FILL ME */ /* FILL ME */
}; };
@ -55,7 +64,7 @@ GST_PAD_TEMPLATE_FACTORY (sink_template_factory,
GST_PAD_SINK, GST_PAD_SINK,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
GST_CAPS_NEW ( GST_CAPS_NEW (
"libfame_sink_caps", "fameenc_sink_caps",
"video/raw", "video/raw",
"format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I','4','2','0')), "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I','4','2','0')),
"width", GST_PROPS_INT_RANGE (16, 4096), "width", GST_PROPS_INT_RANGE (16, 4096),
@ -68,7 +77,7 @@ GST_PAD_TEMPLATE_FACTORY (src_template_factory,
GST_PAD_SRC, GST_PAD_SRC,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
GST_CAPS_NEW ( GST_CAPS_NEW (
"libfame_src_caps", "fameenc_src_caps",
"video/mpeg", "video/mpeg",
"mpegversion", GST_PROPS_LIST ( "mpegversion", GST_PROPS_LIST (
GST_PROPS_INT (1), GST_PROPS_INT (4)), GST_PROPS_INT (1), GST_PROPS_INT (4)),
@ -76,182 +85,317 @@ GST_PAD_TEMPLATE_FACTORY (src_template_factory,
) )
); );
static void gst_libfame_class_init (GstLibfameClass *klass); #define MAX_FRAME_RATES 16
static void gst_libfame_init (GstLibfame *libfame); typedef struct
static void gst_libfame_dispose (GObject *object); {
gint num;
gint den;
} frame_rate_entry;
static void gst_libfame_set_property (GObject *object, guint prop_id, static const frame_rate_entry frame_rates[] =
{
{ 0, 0 },
{ 24000, 1001 },
{ 24, 1 },
{ 25, 1 },
{ 30000, 1001 },
{ 30, 1 },
{ 50, 1 },
{ 60000, 1001 },
{ 60, 1 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
};
static gint
framerate_to_index (num, den)
{
gint i;
for (i = 0; i < MAX_FRAME_RATES; i++) {
if (frame_rates[i].num == num && frame_rates[i].den == den)
return i;
}
return 0;
}
#define GST_TYPE_FAMEENC_FRAMERATE (gst_fameenc_framerate_get_type())
static GType
gst_fameenc_framerate_get_type(void) {
static GType fameenc_framerate_type = 0;
static GEnumValue fameenc_framerate[] = {
{1, "1", "24000/1001 (23.97)"},
{2, "2", "24"},
{3, "3", "25"},
{4, "4", "30000/1001 (29.97)"},
{5, "5", "30"},
{6, "6", "50"},
{7, "7", "60000/1001 (59.94)"},
{8, "8", "60"},
{0, NULL, NULL},
};
if (!fameenc_framerate_type) {
fameenc_framerate_type = g_enum_register_static("GstFameEncFrameRate", fameenc_framerate);
}
return fameenc_framerate_type;
}
static void gst_fameenc_class_init (GstFameEncClass *klass);
static void gst_fameenc_init (GstFameEnc *fameenc);
static void gst_fameenc_dispose (GObject *object);
static void gst_fameenc_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec); const GValue *value, GParamSpec *pspec);
static void gst_libfame_get_property (GObject *object, guint prop_id, static void gst_fameenc_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec); GValue *value, GParamSpec *pspec);
static void gst_libfame_chain (GstPad *pad, GstBuffer *buf); static void gst_fameenc_chain (GstPad *pad, GstBuffer *buf);
static GstElementClass *parent_class = NULL; static GstElementClass *parent_class = NULL;
/*static guint gst_libfame_signals[LAST_SIGNAL] = { 0 };*/ /*static guint gst_fameenc_signals[LAST_SIGNAL] = { 0 };*/
GType GType
gst_libfame_get_type (void) gst_fameenc_get_type (void)
{ {
static GType libfame_type = 0; static GType fameenc_type = 0;
if (!libfame_type) { if (!fameenc_type) {
static const GTypeInfo libfame_info = { static const GTypeInfo fameenc_info = {
sizeof (GstLibfameClass), sizeof (GstFameEncClass),
NULL, NULL,
NULL, NULL,
(GClassInitFunc) gst_libfame_class_init, (GClassInitFunc) gst_fameenc_class_init,
NULL, NULL,
NULL, NULL,
sizeof (GstLibfame), sizeof (GstFameEnc),
0, 0,
(GInstanceInitFunc) gst_libfame_init, (GInstanceInitFunc) gst_fameenc_init,
}; };
libfame_type = g_type_register_static (GST_TYPE_ELEMENT, fameenc_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstLibfame", &libfame_info, 0); "GstFameEnc", &fameenc_info, 0);
} }
return libfame_type; return fameenc_type;
}
static int
gst_fameenc_item_compare (fame_list_t *item1, fame_list_t *item2)
{
return strcmp (item1->type, item2->type);
} }
static void static void
gst_libfame_class_init (GstLibfameClass *klass) gst_fameenc_class_init (GstFameEncClass *klass)
{ {
GObjectClass *gobject_class = NULL; GObjectClass *gobject_class = NULL;
GstElementClass *gstelement_class = NULL; GstElementClass *gstelement_class = NULL;
fame_context_t *context;
fame_list_t *walk;
GList *props = NULL, *props_walk;
gint current_prop = ARG_FAME_PROPS_START;
gobject_class = (GObjectClass*) klass; gobject_class = (GObjectClass*) klass;
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);
gobject_class->set_property = gst_libfame_set_property; gobject_class->set_property = gst_fameenc_set_property;
gobject_class->get_property = gst_libfame_get_property; gobject_class->get_property = gst_fameenc_get_property;
gobject_class->dispose = gst_libfame_dispose; gobject_class->dispose = gst_fameenc_dispose;
g_object_class_install_property (gobject_class, ARG_VERSION, fame_object_name = g_quark_from_string ("GstFameObjectName");
g_param_spec_int ("mpeg_version", "MPEG Version",
"MPEG Codec Version (1 or 4)", context = fame_open ();
1, 4, 1, G_PARAM_READWRITE)); g_assert (context);
g_object_class_install_property (gobject_class, ARG_FPS,
g_param_spec_double ("frames_per_second", "Frames per second", /* first sort the list */
"Number of frames per second", walk = context->type_list;
-G_MAXDOUBLE, G_MAXDOUBLE, 25.0, G_PARAM_READWRITE)); while (walk) {
props = g_list_insert_sorted (props, walk, (GCompareFunc)gst_fameenc_item_compare);
walk = walk->next;
}
props_walk = props;
while (props_walk) {
GArray *array;
const gchar *current_type;
gint current_len;
gint current_value;
fame_object_t *current_default;
gint default_index;
walk = (fame_list_t *)props_walk->data;
array = g_array_new (TRUE, FALSE, sizeof (GEnumValue));
current_type = walk->type;
current_value = 0;
current_len = strlen (walk->type);
current_default = fame_get_object (context, current_type);
default_index = 1;
do {
if (strstr (walk->type, "/")) {
GEnumValue value;
if (current_default == walk->item)
default_index = current_value;
value.value = current_value++;
value.value_name = g_strdup (walk->type);
value.value_nick = g_strdup (walk->item->name);
g_array_append_val (array, value);
}
props_walk = g_list_next (props_walk);
if (props_walk)
walk = (fame_list_t *)props_walk->data;
} while (props_walk && !strncmp (walk->type, current_type, current_len));
if (array->len > 0) {
GType type;
GParamSpec *pspec;
type = g_enum_register_static (g_strdup_printf ("GstFameEnc_%s", current_type), (GEnumValue *)array->data);
pspec = g_param_spec_enum (current_type, current_type, g_strdup_printf ("The FAME \"%s\" object", current_type),
type, default_index, G_PARAM_READWRITE);
g_param_spec_set_qdata (pspec, fame_object_name, (gpointer) current_type);
g_object_class_install_property (G_OBJECT_CLASS (klass), current_prop++, pspec);
}
}
g_object_class_install_property (gobject_class, ARG_FRAMERATE,
g_param_spec_enum ("framerate", "Frame Rate", "Number of frames per second",
GST_TYPE_FAMEENC_FRAMERATE, 3, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BITRATE,
g_param_spec_int ("bitrate", "Bitrate", "Target bitrate (0 = VBR)",
0, 5000000, 0, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_QUALITY, g_object_class_install_property (gobject_class, ARG_QUALITY,
g_param_spec_int ("quality", "Quality", g_param_spec_int ("quality", "Quality", "Percentage of quality of compression (versus size)",
"Percentage of quality of compression (versus size)", 0, 100, 75, G_PARAM_READWRITE));
0, 100, 75, G_PARAM_READWRITE)); /* CHECKME */
g_object_class_install_property (gobject_class, ARG_PATTERN, g_object_class_install_property (gobject_class, ARG_PATTERN,
g_param_spec_string ("pattern", "Pattern", g_param_spec_string ("pattern", "Pattern", "Encoding pattern of I, P, and B frames",
"Encoding pattern of I, P, and B frames", "IPPPPPPPPPPP", G_PARAM_READWRITE));
"IPP", G_PARAM_READWRITE)); /* CHECKME */ g_object_class_install_property (gobject_class, ARG_FRAMES_PER_SEQUENCE,
g_param_spec_int ("frames_per_sequence", "Frames Per Sequence",
"The number of frames in one sequence",
1, G_MAXINT, 12, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_FAME_VERBOSE,
g_param_spec_boolean ("fame_verbose", "Fame Verbose", "Make FAME produce verbose output",
FALSE, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BUFFER_SIZE,
g_param_spec_int ("buffer_size", "Buffer Size", "Set the decoding output buffer size",
0, 1024*1024, FAMEENC_BUFFER_SIZE, G_PARAM_READWRITE));
} }
static GstPadConnectReturn static GstPadConnectReturn
gst_libfame_sinkconnect (GstPad *pad, GstCaps *caps) gst_fameenc_sinkconnect (GstPad *pad, GstCaps *caps)
{ {
gint width, height; gint width, height;
GstLibfame *libfame; GstFameEnc *fameenc;
libfame = GST_LIBFAME (gst_pad_get_parent (pad)); fameenc = GST_FAMEENC (gst_pad_get_parent (pad));
if (!GST_CAPS_IS_FIXED (caps)) if (!GST_CAPS_IS_FIXED (caps))
return GST_PAD_CONNECT_DELAYED; return GST_PAD_CONNECT_DELAYED;
if (libfame->initialized) { if (fameenc->initialized) {
GST_DEBUG(0, "error: libfame encoder already initialized !"); GST_DEBUG(0, "error: fameenc encoder already initialized !");
return GST_PAD_CONNECT_REFUSED; return GST_PAD_CONNECT_REFUSED;
} }
gst_caps_get_int (caps, "width", &width); gst_caps_get_int (caps, "width", &width);
gst_caps_get_int (caps, "height", &height); gst_caps_get_int (caps, "height", &height);
/* FIXME: do better error handling here */ /* fameenc requires width and height to be multiples of 16 */
/* libfame requires width and height to be multiples of 16 */ if (width % 16 != 0 || height % 16 != 0)
g_assert (width % 16 == 0); return GST_PAD_CONNECT_REFUSED;
g_assert (height % 16 == 0);
libfame->fp.width = width; fameenc->fp.width = width;
libfame->fp.height = height; fameenc->fp.height = height;
libfame->fp.coding = (const char *) libfame->pattern; fameenc->fp.coding = (const char *) fameenc->pattern;
/* FIXME: choose good parameters */ /* FIXME: choose good parameters */
libfame->fp.slices_per_frame = 1; fameenc->fp.slices_per_frame = 1;
libfame->fp.frames_per_sequence = 12; /* infinite */
/* FIXME: 25 fps */
libfame->fp.frame_rate_num = 25;
libfame->fp.frame_rate_den = 1;
/* FIXME: handle these properly */ /* FIXME: handle these properly */
libfame->fp.shape_quality = 75; fameenc->fp.shape_quality = 75;
libfame->fp.search_range = 0; fameenc->fp.search_range = 0;
libfame->fp.verbose = 0; fameenc->fp.total_frames = 0;
libfame->fp.profile = "mpeg1"; fameenc->fp.retrieve_cb = NULL;
libfame->fp.total_frames = 0;
libfame->fp.retrieve_cb = NULL;
fame_init (libfame->fc, &libfame->fp, libfame->buffer, libfame->buffer_size); fame_init (fameenc->fc, &fameenc->fp, fameenc->buffer, fameenc->buffer_size);
g_print ("libfame: init done.\n"); fameenc->initialized = TRUE;
g_assert (libfame->fc != NULL); /* FIXME */
libfame->initialized = TRUE;
return GST_PAD_CONNECT_OK; return GST_PAD_CONNECT_OK;
} }
static void static void
gst_libfame_init (GstLibfame *libfame) gst_fameenc_init (GstFameEnc *fameenc)
{ {
g_assert (libfame != NULL); g_assert (fameenc != NULL);
g_assert (GST_IS_LIBFAME (libfame)); g_assert (GST_IS_FAMEENC (fameenc));
/* open libfame */ /* open fameenc */
libfame->fc = fame_open (); fameenc->fc = fame_open ();
g_assert (libfame->fc != NULL); g_assert (fameenc->fc != NULL);
/* create the sink and src pads */ /* create the sink and src pads */
libfame->sinkpad = gst_pad_new_from_template ( fameenc->sinkpad = gst_pad_new_from_template (
GST_PAD_TEMPLATE_GET (sink_template_factory), "sink"); GST_PAD_TEMPLATE_GET (sink_template_factory), "sink");
gst_element_add_pad (GST_ELEMENT (libfame), libfame->sinkpad); gst_element_add_pad (GST_ELEMENT (fameenc), fameenc->sinkpad);
gst_pad_set_chain_function (libfame->sinkpad, gst_libfame_chain); gst_pad_set_chain_function (fameenc->sinkpad, gst_fameenc_chain);
gst_pad_set_connect_function (libfame->sinkpad, gst_libfame_sinkconnect); gst_pad_set_connect_function (fameenc->sinkpad, gst_fameenc_sinkconnect);
libfame->srcpad = gst_pad_new_from_template ( fameenc->srcpad = gst_pad_new_from_template (
GST_PAD_TEMPLATE_GET (src_template_factory), "src"); GST_PAD_TEMPLATE_GET (src_template_factory), "src");
gst_element_add_pad (GST_ELEMENT (libfame), libfame->srcpad); gst_element_add_pad (GST_ELEMENT (fameenc), fameenc->srcpad);
/* FIXME: set some more handler functions here */ /* FIXME: set some more handler functions here */
fameenc->verbose = FALSE;
/* reset the initial video state */ /* reset the initial video state */
libfame->fp.width = -1; fameenc->fp.width = -1;
libfame->fp.height = -1; fameenc->fp.height = -1;
libfame->initialized = FALSE; fameenc->initialized = FALSE;
/* defaults */ /* defaults */
libfame->fp.quality = 75; fameenc->fp.bitrate = 0;
libfame->fp.frame_rate_num = 25; fameenc->fp.quality = 75;
libfame->fp.frame_rate_den = 1; /* avoid floating point exceptions */ fameenc->fp.frame_rate_num = 25;
libfame->fp.profile = g_strdup ("mpeg1"); fameenc->fp.frame_rate_den = 1; /* avoid floating point exceptions */
fameenc->fp.frames_per_sequence = 12;
libfame->pattern = g_strdup ("IPP"); fameenc->pattern = g_strdup ("IPPPPPPPPPP");
/* allocate space for the buffer */ /* allocate space for the buffer */
libfame->buffer_size = LIBFAME_BUFFER_SIZE; /* FIXME */ fameenc->buffer_size = FAMEENC_BUFFER_SIZE; /* FIXME */
libfame->buffer = (unsigned char *) g_malloc (libfame->buffer_size); fameenc->buffer = (unsigned char *) g_malloc (fameenc->buffer_size);
} }
static void static void
gst_libfame_dispose (GObject *object) gst_fameenc_dispose (GObject *object)
{ {
GstLibfame *libfame = GST_LIBFAME (object); GstFameEnc *fameenc = GST_FAMEENC (object);
G_OBJECT_CLASS (parent_class)->dispose (object); G_OBJECT_CLASS (parent_class)->dispose (object);
g_free (libfame->buffer); g_free (fameenc->buffer);
} }
static void static void
gst_libfame_chain (GstPad *pad, GstBuffer *buf) gst_fameenc_chain (GstPad *pad, GstBuffer *buf)
{ {
GstLibfame *libfame; GstFameEnc *fameenc;
guchar *data; guchar *data;
gulong size; gulong size;
gint frame_size; gint frame_size;
@ -262,118 +406,166 @@ gst_libfame_chain (GstPad *pad, GstBuffer *buf)
g_return_if_fail (buf != NULL); g_return_if_fail (buf != NULL);
g_return_if_fail (GST_IS_BUFFER (buf)); g_return_if_fail (GST_IS_BUFFER (buf));
libfame = GST_LIBFAME (gst_pad_get_parent (pad)); fameenc = GST_FAMEENC (gst_pad_get_parent (pad));
data = (guchar *) GST_BUFFER_DATA (buf); data = (guchar *) GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf); size = GST_BUFFER_SIZE (buf);
GST_DEBUG (0,"gst_libfame_chain: got buffer of %ld bytes in '%s'", GST_DEBUG (0,"gst_fameenc_chain: got buffer of %ld bytes in '%s'",
size, GST_OBJECT_NAME (libfame)); size, GST_OBJECT_NAME (fameenc));
/* the data contains the three planes side by side, with size w * h, w * h /4, /* the data contains the three planes side by side, with size w * h, w * h /4,
* w * h / 4 */ * w * h / 4 */
libfame->fy.w = libfame->fp.width; fameenc->fy.w = fameenc->fp.width;
libfame->fy.h = libfame->fp.height; fameenc->fy.h = fameenc->fp.height;
frame_size = libfame->fp.width * libfame->fp.height; frame_size = fameenc->fp.width * fameenc->fp.height;
libfame->fy.p = 0; /* FIXME: is this pointing to previous data ? */ fameenc->fy.p = 0;
libfame->fy.y = data; fameenc->fy.y = data;
libfame->fy.u = data + frame_size; fameenc->fy.u = data + frame_size;
libfame->fy.v = libfame->fy.u + (frame_size >> 2); fameenc->fy.v = fameenc->fy.u + (frame_size >> 2);
fame_start_frame (libfame->fc, &libfame->fy, NULL); fame_start_frame (fameenc->fc, &fameenc->fy, NULL);
while ((length = fame_encode_slice (libfame->fc)) != 0) { while ((length = fame_encode_slice (fameenc->fc)) != 0) {
GstBuffer *outbuf; GstBuffer *outbuf;
outbuf = gst_buffer_new (); outbuf = gst_buffer_new ();
/* FIXME: safeguard, remove me when a better way is found */ /* FIXME: safeguard, remove me when a better way is found */
if (length > LIBFAME_BUFFER_SIZE) if (length > FAMEENC_BUFFER_SIZE)
g_warning ("LIBFAME_BUFFER_SIZE is defined too low, encoded slice has size %d !\n", length); g_warning ("FAMEENC_BUFFER_SIZE is defined too low, encoded slice has size %d !\n", length);
GST_BUFFER_SIZE (outbuf) = length; GST_BUFFER_SIZE (outbuf) = length;
GST_BUFFER_DATA (outbuf) = g_malloc (length); GST_BUFFER_DATA (outbuf) = g_malloc (length);
memcpy (GST_BUFFER_DATA(outbuf), libfame->buffer, length); memcpy (GST_BUFFER_DATA(outbuf), fameenc->buffer, length);
GST_DEBUG (0,"gst_libfame_chain: pushing buffer of size %d", GST_DEBUG (0,"gst_fameenc_chain: pushing buffer of size %d",
GST_BUFFER_SIZE(outbuf)); GST_BUFFER_SIZE(outbuf));
gst_pad_push (libfame->srcpad, outbuf); gst_pad_push (fameenc->srcpad, outbuf);
} }
fame_end_frame (libfame->fc, NULL); /* FIXME: get stats */ fame_end_frame (fameenc->fc, NULL);
gst_buffer_unref(buf); gst_buffer_unref(buf);
} }
static void static void
gst_libfame_set_property (GObject *object, guint prop_id, gst_fameenc_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec) const GValue *value, GParamSpec *pspec)
{ {
GstLibfame *src; GstFameEnc *fameenc;
g_return_if_fail (GST_IS_LIBFAME (object)); g_return_if_fail (GST_IS_FAMEENC (object));
src = GST_LIBFAME (object); fameenc = GST_FAMEENC (object);
if (src->initialized) { if (fameenc->initialized) {
GST_DEBUG(0, "error: libfame encoder already initialized, cannot set properties !"); GST_DEBUG(0, "error: fameenc encoder already initialized, cannot set properties !");
return; return;
} }
switch (prop_id) { switch (prop_id) {
case ARG_VERSION: case ARG_FRAMERATE:
{ {
gint version = g_value_get_int (value); gint index = g_value_get_enum (value);
if (version != 1 && version != 4) { fameenc->fp.frame_rate_num = frame_rates[index].num;
g_warning ("libfame: only use MPEG version 1 or 4 !"); fameenc->fp.frame_rate_den = frame_rates[index].den;
}
break; break;
} }
case ARG_FPS: case ARG_BITRATE:
/* FIXME: we could do a much better job of finding num and den here */ fameenc->fp.bitrate = g_value_get_int (value);
src->fp.frame_rate_num = g_value_get_double (value);
src->fp.frame_rate_den = 1;
gst_info ("libfame: setting framerate for encoding to %f (%d/%d)\n",
(float) src->fp.frame_rate_num / src->fp.frame_rate_den,
src->fp.frame_rate_num, src->fp.frame_rate_den);
break; break;
case ARG_QUALITY: case ARG_QUALITY:
src->fp.quality = CLAMP (g_value_get_int (value), 0, 100); fameenc->fp.quality = CLAMP (g_value_get_int (value), 0, 100);
break; break;
case ARG_PATTERN: case ARG_PATTERN:
g_free (src->pattern); g_free (fameenc->pattern);
src->pattern = g_strdup (g_value_get_string (value)); fameenc->pattern = g_strdup (g_value_get_string (value));
break;
case ARG_FAME_VERBOSE:
fameenc->verbose = g_value_get_boolean (value);
break;
case ARG_BUFFER_SIZE:
fameenc->buffer_size = g_value_get_int (value);
break;
case ARG_FRAMES_PER_SEQUENCE:
fameenc->fp.frames_per_sequence = g_value_get_int (value);
break; break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); if (prop_id >= ARG_FAME_PROPS_START) {
gchar *name;
gint index = g_value_get_enum (value);
GEnumValue *values;
values = G_ENUM_CLASS (g_type_class_ref (pspec->value_type))->values;
name = (gchar *) g_param_spec_get_qdata (pspec, fame_object_name);
fame_register (fameenc->fc, name, fame_get_object (fameenc->fc, values[index].value_name));
}
else
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
} }
} }
static void static void
gst_libfame_get_property (GObject *object, guint prop_id, gst_fameenc_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec) GValue *value, GParamSpec *pspec)
{ {
GstLibfame *src; GstFameEnc *fameenc;
g_return_if_fail (GST_IS_LIBFAME (object)); g_return_if_fail (GST_IS_FAMEENC (object));
src = GST_LIBFAME (object); fameenc = GST_FAMEENC (object);
switch (prop_id) { switch (prop_id) {
case ARG_FPS: case ARG_FRAMERATE:
g_value_set_double (value, (src->fp.frame_rate_num / {
src->fp.frame_rate_den)); gint index = framerate_to_index (fameenc->fp.frame_rate_num,
fameenc->fp.frame_rate_den);
g_value_set_enum (value, index);
break;
}
case ARG_BITRATE:
g_value_set_int (value, fameenc->fp.bitrate);
break; break;
case ARG_QUALITY: case ARG_QUALITY:
g_value_set_int (value, src->fp.quality); g_value_set_int (value, fameenc->fp.quality);
break; break;
case ARG_PATTERN: case ARG_PATTERN:
g_value_set_string (value, g_strdup (src->pattern)); g_value_set_string (value, g_strdup (fameenc->pattern));
break;
case ARG_FAME_VERBOSE:
g_value_set_boolean (value, fameenc->verbose);
break;
case ARG_BUFFER_SIZE:
g_value_set_int (value, fameenc->buffer_size);
break;
case ARG_FRAMES_PER_SEQUENCE:
g_value_set_int (value, fameenc->fp.frames_per_sequence);
break; break;
default: default:
if (prop_id >= ARG_FAME_PROPS_START) {
gchar *name;
gint index = 0;
GEnumValue *values;
fame_object_t *f_object;
values = G_ENUM_CLASS (g_type_class_ref (pspec->value_type))->values;
name = (gchar *) g_param_spec_get_qdata (pspec, fame_object_name);
f_object = fame_get_object (fameenc->fc, name);
while (values[index].value_name) {
if (!strcmp (values[index].value_nick, f_object->name)) {
g_value_set_enum (value, index);
return;
}
index++;
}
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
} }
@ -384,9 +576,9 @@ plugin_init (GModule *module, GstPlugin *plugin)
{ {
GstElementFactory *factory; GstElementFactory *factory;
/* create an elementfactory for the libfame element */ /* create an elementfactory for the fameenc element */
factory = gst_element_factory_new ("libfame", GST_TYPE_LIBFAME, factory = gst_element_factory_new ("fameenc", GST_TYPE_FAMEENC,
&gst_libfame_details); &gst_fameenc_details);
g_return_val_if_fail (factory != NULL, FALSE); g_return_val_if_fail (factory != NULL, FALSE);
gst_element_factory_add_pad_template (factory, gst_element_factory_add_pad_template (factory,
@ -402,6 +594,6 @@ plugin_init (GModule *module, GstPlugin *plugin)
GstPluginDesc plugin_desc = { GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR, GST_VERSION_MAJOR,
GST_VERSION_MINOR, GST_VERSION_MINOR,
"libfame", "fameenc",
plugin_init plugin_init
}; };

39
ext/libfame/gstlibfame.h
View file

@ -18,8 +18,8 @@
*/ */
#ifndef __GST_LIBFAME_H__ #ifndef __GST_FAMEENC_H__
#define __GST_LIBFAME_H__ #define __GST_FAMEENC_H__
#include <gst/gst.h> #include <gst/gst.h>
#include <fame.h> #include <fame.h>
@ -29,21 +29,21 @@ extern "C" {
#endif /* __cplusplus */ #endif /* __cplusplus */
#define GST_TYPE_LIBFAME \ #define GST_TYPE_FAMEENC \
(gst_libfame_get_type()) (gst_fameenc_get_type())
#define GST_LIBFAME(obj) \ #define GST_FAMEENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LIBFAME,GstLibfame)) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FAMEENC,GstFameEnc))
#define GST_LIBFAME_CLASS(klass) \ #define GST_FAMEENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LIBFAME,GstLibfame)) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FAMEENC,GstFameEnc))
#define GST_IS_LIBFAME(obj) \ #define GST_IS_FAMEENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LIBFAME)) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FAMEENC))
#define GST_IS_LIBFAME_CLASS(obj) \ #define GST_IS_FAMEENC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LIBFAME)) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FAMEENC))
typedef struct _GstLibfame GstLibfame; typedef struct _GstFameEnc GstFameEnc;
typedef struct _GstLibfameClass GstLibfameClass; typedef struct _GstFameEncClass GstFameEncClass;
struct _GstLibfame { struct _GstFameEnc {
GstElement element; GstElement element;
/* pads */ /* pads */
@ -62,7 +62,8 @@ struct _GstLibfame {
/* encoding pattern string */ /* encoding pattern string */
gchar *pattern; gchar *pattern;
/* libfame stuff */ /* fameenc stuff */
gboolean verbose;
fame_context_t *fc; fame_context_t *fc;
fame_parameters_t fp; fame_parameters_t fp;
fame_yuv_t fy; fame_yuv_t fy;
@ -71,11 +72,11 @@ struct _GstLibfame {
gboolean initialized; gboolean initialized;
}; };
struct _GstLibfameClass { struct _GstFameEncClass {
GstElementClass parent_class; GstElementClass parent_class;
}; };
GType gst_libfame_get_type (void); GType gst_fameenc_get_type (void);
#ifdef __cplusplus #ifdef __cplusplus
@ -83,4 +84,4 @@ GType gst_libfame_get_type (void);
#endif /* __cplusplus */ #endif /* __cplusplus */
#endif /* __GST_LIBFAME_H__ */ #endif /* __GST_FAMEENC_H__ */