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-rw-r--r--ext/libfame/gstfamedec.c533
1 files changed, 0 insertions, 533 deletions
diff --git a/ext/libfame/gstfamedec.c b/ext/libfame/gstfamedec.c
deleted file mode 100644
index 1864487f..00000000
--- a/ext/libfame/gstfamedec.c
+++ /dev/null
@@ -1,533 +0,0 @@
-/* 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 <fame.h>
-#include <string.h>
-
-#include "gstlibfame.h"
-#include <gst/video/video.h>
-
-#define FAMEENC_BUFFER_SIZE (300 * 1024)
-
-/* elementfactory information */
-static GstElementDetails gst_famedec_details = {
- "MPEG1 and MPEG4 video decoder using the famedec library",
- "Codec/Video/Encoder",
- "LGPL",
- "Uses famedec to decode MPEG video streams",
- VERSION,
- "famedec: (C) 2000-2001, Vivien Chappelier\n"
- "Thomas Vander Stichele <thomas@apestaart.org>",
- "(C) 2002",
-};
-
-static GQuark fame_object_name;
-
-
-/* FameEnc signals and args */
-enum {
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum {
- ARG_0,
- ARG_VERSION,
- ARG_BITRATE,
- ARG_QUALITY,
- ARG_PATTERN,
- ARG_FAME_VERBOSE,
- ARG_BUFFER_SIZE,
- ARG_FRAMES_PER_SEQUENCE,
- /* dynamically generated properties start here */
- ARG_FAME_PROPS_START
- /* FILL ME */
-};
-
-GST_PAD_TEMPLATE_FACTORY (sink_template_factory,
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "famedec_sink_caps",
- "video/x-raw-yuv",
- "format",
- GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I','4','2','0')),
- "width", GST_PROPS_INT_RANGE (16, 4096),
- "height", GST_PROPS_INT_RANGE (16, 4096),
- "framerate", GST_PROPS_LIST (
- GST_PROPS_FLOAT (24/1.001),
- GST_PROPS_FLOAT (24.),
- GST_PROPS_FLOAT (25.),
- GST_PROPS_FLOAT (30/1.001),
- GST_PROPS_FLOAT (30.),
- GST_PROPS_FLOAT (50.),
- GST_PROPS_FLOAT (60/1.001),
- GST_PROPS_FLOAT (60.)
- )
- )
-)
-
-GST_PAD_TEMPLATE_FACTORY (src_template_factory,
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "famedec_src_caps",
- "video/mpeg",
- /* we don't need width/height/framerate */
- "mpegversion", GST_PROPS_LIST (
- GST_PROPS_INT (1),
- GST_PROPS_INT (4)
- ),
- "systemstream", GST_PROPS_BOOLEAN (FALSE)
- )
-);
-
-static void gst_famedec_class_init (GstFameEncClass *klass);
-static void gst_famedec_init (GstFameEnc *famedec);
-static void gst_famedec_dispose (GObject *object);
-
-static void gst_famedec_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void gst_famedec_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
-
-static void gst_famedec_chain (GstPad *pad, GstBuffer *buf);
-
-static GstElementClass *parent_class = NULL;
-/*static guint gst_famedec_signals[LAST_SIGNAL] = { 0 };*/
-
-GType
-gst_famedec_get_type (void)
-{
- static GType famedec_type = 0;
-
- if (!famedec_type) {
- static const GTypeInfo famedec_info = {
- sizeof (GstFameEncClass),
- NULL,
- NULL,
- (GClassInitFunc) gst_famedec_class_init,
- NULL,
- NULL,
- sizeof (GstFameEnc),
- 0,
- (GInstanceInitFunc) gst_famedec_init,
- };
- famedec_type = g_type_register_static (GST_TYPE_ELEMENT,
- "GstFameEnc", &famedec_info, 0);
- }
- return famedec_type;
-}
-
-static int
-gst_famedec_item_compare (fame_list_t *item1, fame_list_t *item2)
-{
- return strcmp (item1->type, item2->type);
-}
-
-static void
-gst_famedec_class_init (GstFameEncClass *klass)
-{
- GObjectClass *gobject_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;
- gstelement_class = (GstElementClass*) klass;
-
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
- gobject_class->set_property = gst_famedec_set_property;
- gobject_class->get_property = gst_famedec_get_property;
- gobject_class->dispose = gst_famedec_dispose;
-
- fame_object_name = g_quark_from_string ("GstFameObjectName");
-
- context = fame_open ();
- g_assert (context);
-
- /* first sort the list */
- walk = context->type_list;
- while (walk) {
- props = g_list_insert_sorted (props, walk, (GCompareFunc)gst_famedec_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_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_param_spec_int ("quality", "Quality", "Percentage of quality of compression (versus size)",
- 0, 100, 75, G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class, ARG_PATTERN,
- g_param_spec_string ("pattern", "Pattern", "Encoding pattern of I, P, and B frames",
- "IPPPPPPPPPPP", G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class, ARG_FRAMES_PER_SEQUENCE,
- g_param_spec_int ("frames_per_sequence", "Frames Per Sequdece",
- "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 GstPadLinkReturn
-gst_famedec_sinkconnect (GstPad *pad, GstCaps *caps)
-{
- gint width, height;
- GstFameEnc *famedec;
-
- famedec = GST_FAMEENC (gst_pad_get_parent (pad));
-
- if (!GST_CAPS_IS_FIXED (caps))
- return GST_PAD_LINK_DELAYED;
-
- if (famedec->initialized) {
- GST_DEBUG ("error: famedec decoder already initialized !");
- return GST_PAD_LINK_REFUSED;
- }
-
- gst_caps_get_int (caps, "width", &width);
- gst_caps_get_int (caps, "height", &height);
-
- /* famedec requires width and height to be multiples of 16 */
- if (width % 16 != 0 || height % 16 != 0)
- return GST_PAD_LINK_REFUSED;
-
- famedec->fp.width = width;
- famedec->fp.height = height;
- famedec->fp.coding = (const char *) famedec->pattern;
-
- /* FIXME: choose good parameters */
- famedec->fp.slices_per_frame = 1;
-
- /* FIXME: handle these properly */
- famedec->fp.shape_quality = 75;
- famedec->fp.search_range = 0;
- famedec->fp.total_frames = 0;
- famedec->fp.retrieve_cb = NULL;
-
- fame_init (famedec->fc, &famedec->fp, famedec->buffer, famedec->buffer_size);
-
- famedec->initialized = TRUE;
-
- return GST_PAD_LINK_OK;
-}
-
-static void
-gst_famedec_init (GstFameEnc *famedec)
-{
- g_assert (famedec != NULL);
- g_assert (GST_IS_FAMEENC (famedec));
-
- /* open famedec */
- famedec->fc = fame_open ();
- g_assert (famedec->fc != NULL);
-
- /* create the sink and src pads */
- famedec->sinkpad = gst_pad_new_from_template (
- GST_PAD_TEMPLATE_GET (sink_template_factory), "sink");
- gst_element_add_pad (GST_ELEMENT (famedec), famedec->sinkpad);
- gst_pad_set_chain_function (famedec->sinkpad, gst_famedec_chain);
- gst_pad_set_link_function (famedec->sinkpad, gst_famedec_sinkconnect);
-
- famedec->srcpad = gst_pad_new_from_template (
- GST_PAD_TEMPLATE_GET (src_template_factory), "src");
- gst_element_add_pad (GST_ELEMENT (famedec), famedec->srcpad);
- /* FIXME: set some more handler functions here */
-
- famedec->verbose = FALSE;
-
- /* reset the initial video state */
- famedec->fp.width = -1;
- famedec->fp.height = -1;
- famedec->initialized = FALSE;
-
- /* defaults */
- famedec->fp.bitrate = 0;
- famedec->fp.quality = 75;
- famedec->fp.frame_rate_num = 25;
- famedec->fp.frame_rate_den = 1; /* avoid floating point exceptions */
- famedec->fp.frames_per_sequence = 12;
-
- famedec->pattern = g_strdup ("IPPPPPPPPPP");
-
- /* allocate space for the buffer */
- famedec->buffer_size = FAMEENC_BUFFER_SIZE; /* FIXME */
- famedec->buffer = (unsigned char *) g_malloc (famedec->buffer_size);
-}
-
-static void
-gst_famedec_dispose (GObject *object)
-{
- GstFameEnc *famedec = GST_FAMEENC (object);
-
- G_OBJECT_CLASS (parent_class)->dispose (object);
-
- g_free (famedec->buffer);
-}
-
-static void
-gst_famedec_chain (GstPad *pad, GstBuffer *buf)
-{
- GstFameEnc *famedec;
- guchar *data;
- gulong size;
- gint frame_size;
- gint length;
-
- 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));
-
- famedec = GST_FAMEENC (gst_pad_get_parent (pad));
-
- data = (guchar *) GST_BUFFER_DATA (buf);
- size = GST_BUFFER_SIZE (buf);
-
- GST_DEBUG ("gst_famedec_chain: got buffer of %ld bytes in '%s'",
- size, GST_OBJECT_NAME (famedec));
-
- /* the data contains the three planes side by side, with size w * h, w * h /4,
- * w * h / 4 */
- famedec->fy.w = famedec->fp.width;
- famedec->fy.h = famedec->fp.height;
-
- frame_size = famedec->fp.width * famedec->fp.height;
-
- famedec->fy.p = 0;
- famedec->fy.y = data;
- famedec->fy.u = data + frame_size;
- famedec->fy.v = famedec->fy.u + (frame_size >> 2);
-
- fame_start_frame (famedec->fc, &famedec->fy, NULL);
-
- while ((length = fame_encode_slice (famedec->fc)) != 0) {
- GstBuffer *outbuf;
-
- outbuf = gst_buffer_new ();
-
- /* FIXME: safeguard, remove me when a better way is found */
- if (length > FAMEENC_BUFFER_SIZE)
- g_warning ("FAMEENC_BUFFER_SIZE is defined too low, decoded slice has size %d !\n", length);
-
- GST_BUFFER_SIZE (outbuf) = length;
- GST_BUFFER_DATA (outbuf) = g_malloc (length);
- memcpy (GST_BUFFER_DATA(outbuf), famedec->buffer, length);
-
- GST_DEBUG ("gst_famedec_chain: pushing buffer of size %d",
- GST_BUFFER_SIZE(outbuf));
-
- gst_pad_push (famedec->srcpad, outbuf);
- }
-
- fame_end_frame (famedec->fc, NULL);
-
- gst_buffer_unref(buf);
-}
-
-static void
-gst_famedec_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec)
-{
- GstFameEnc *famedec;
-
- g_return_if_fail (GST_IS_FAMEENC (object));
- famedec = GST_FAMEENC (object);
-
- if (famedec->initialized) {
- GST_DEBUG ("error: famedec decoder already initialized, cannot set properties !");
- return;
- }
-
- switch (prop_id) {
- case ARG_BITRATE:
- famedec->fp.bitrate = g_value_get_int (value);
- break;
- case ARG_QUALITY:
- famedec->fp.quality = CLAMP (g_value_get_int (value), 0, 100);
- break;
- case ARG_PATTERN:
- g_free (famedec->pattern);
- famedec->pattern = g_strdup (g_value_get_string (value));
- break;
- case ARG_FAME_VERBOSE:
- famedec->verbose = g_value_get_boolean (value);
- break;
- case ARG_BUFFER_SIZE:
- famedec->buffer_size = g_value_get_int (value);
- break;
- case ARG_FRAMES_PER_SEQUENCE:
- famedec->fp.frames_per_sequence = g_value_get_int (value);
- break;
- default:
- 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 (famedec->fc, name, fame_get_object (famedec->fc, values[index].value_name));
- }
- else
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_famedec_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec)
-{
- GstFameEnc *famedec;
-
- g_return_if_fail (GST_IS_FAMEENC (object));
- famedec = GST_FAMEENC (object);
-
- switch (prop_id) {
- case ARG_BITRATE:
- g_value_set_int (value, famedec->fp.bitrate);
- break;
- case ARG_QUALITY:
- g_value_set_int (value, famedec->fp.quality);
- break;
- case ARG_PATTERN:
- g_value_set_string (value, g_strdup (famedec->pattern));
- break;
- case ARG_FAME_VERBOSE:
- g_value_set_boolean (value, famedec->verbose);
- break;
- case ARG_BUFFER_SIZE:
- g_value_set_int (value, famedec->buffer_size);
- break;
- case ARG_FRAMES_PER_SEQUENCE:
- g_value_set_int (value, famedec->fp.frames_per_sequence);
- break;
- 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 (famedec->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);
- break;
- }
-}
-
-gboolean
-gst_famedec_plugin_init (GModule *module, GstPlugin *plugin)
-{
- GstElementFactory *factory;
-
- /* create an elementfactory for the famedec element */
- factory = gst_element_factory_new ("famedec", GST_TYPE_FAMEENC,
- &gst_famedec_details);
- g_return_val_if_fail (factory != NULL, FALSE);
-
- gst_element_factory_add_pad_template (factory,
- GST_PAD_TEMPLATE_GET (sink_template_factory));
- gst_element_factory_add_pad_template (factory,
- GST_PAD_TEMPLATE_GET (src_template_factory));
-
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
-
- return TRUE;
-}
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-18 19:44:55 +0000