diff options
Diffstat (limited to 'ext/dirac/gstdiracdec.cc')
| -rw-r--r-- | ext/dirac/gstdiracdec.cc | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/ext/dirac/gstdiracdec.cc b/ext/dirac/gstdiracdec.cc deleted file mode 100644 index a51134d8d..000000000 --- a/ext/dirac/gstdiracdec.cc +++ /dev/null @@ -1,359 +0,0 @@ -/* GStreamer - * Copyright (C) 2004 David A. Schleef <ds@schleef.org> - * Copyright (C) 2004 Ronald S. 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., 51 Franklin St, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <string.h> - -#include <gst/video/video.h> - -#include "gstdiracdec.h" - -GST_DEBUG_CATEGORY (diracdec_debug); -#define GST_CAT_DEFAULT diracdec_debug - -enum -{ - /* FILL ME */ - LAST_SIGNAL -}; - -enum -{ - ARG_0 - /* FILL ME */ -}; - -static void gst_diracdec_base_init (gpointer g_class); -static void gst_diracdec_class_init (GstDiracDec * klass); -static void gst_diracdec_init (GstDiracDec * diracdec); -static void gst_diracdec_dispose (GObject * object); - -static void gst_diracdec_chain (GstPad * pad, GstData * data); -static GstStateChangeReturn gst_diracdec_change_state (GstElement * element, - GstStateChange transition); - -static GstElementClass *parent_class = NULL; - -/*static guint gst_diracdec_signals[LAST_SIGNAL] = { 0 }; */ - -GType -gst_diracdec_get_type (void) -{ - static GType diracdec_type = 0; - - if (!diracdec_type) { - static const GTypeInfo diracdec_info = { - sizeof (GstDiracDecClass), - gst_diracdec_base_init, - NULL, - (GClassInitFunc) gst_diracdec_class_init, - NULL, - NULL, - sizeof (GstDiracDec), - 0, - (GInstanceInitFunc) gst_diracdec_init, - }; - - diracdec_type = - g_type_register_static (GST_TYPE_ELEMENT, "GstDiracDec", &diracdec_info, - (GTypeFlags) 0); - } - - return diracdec_type; -} - -static GstStaticPadTemplate gst_diracdec_src_pad_template = -GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - /* FIXME: 444 (planar? packed?), 411 (Y41B? Y41P?) */ - GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ I420, YUY2, Y800 }")) - ); - -static GstStaticPadTemplate gst_diracdec_sink_pad_template = -GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("video/x-dirac") - ); - -static void -gst_diracdec_base_init (gpointer g_class) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); - - gst_element_class_add_static_pad_template (element_class, - &gst_diracdec_src_pad_template); - gst_element_class_add_static_pad_template (element_class, - &gst_diracdec_sink_pad_template); - gst_element_class_set_static_metadata (element_class, "Dirac stream decoder", - "Codec/Decoder/Video", "Decode DIRAC streams", - "David Schleef <ds@schleef.org>, " - "Ronald Bultje <rbultje@ronald.bitfreak.net>"); -} - -static void -gst_diracdec_class_init (GstDiracDec * klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - - parent_class = GST_ELEMENT_CLASS (g_type_class_ref (GST_TYPE_ELEMENT)); - - gobject_class->dispose = gst_diracdec_dispose; - element_class->change_state = gst_diracdec_change_state; - - GST_DEBUG_CATEGORY_INIT (diracdec_debug, "diracdec", 0, "DIRAC decoder"); -} - -static void -gst_diracdec_dispose (GObject * object) -{ - G_OBJECT_CLASS (parent_class)->dispose (object); -} - -static void -gst_diracdec_init (GstDiracDec * diracdec) -{ - GST_DEBUG ("gst_diracdec_init: initializing"); - /* create the sink and src pads */ - - diracdec->sinkpad = - gst_pad_new_from_static_template (&gst_diracdec_sink_pad_template, - "sink"); - gst_pad_set_chain_function (diracdec->sinkpad, gst_diracdec_chain); - gst_element_add_pad (GST_ELEMENT (diracdec), diracdec->sinkpad); - - diracdec->srcpad = - gst_pad_new_from_static_template (&gst_diracdec_src_pad_template, "src"); - gst_pad_use_explicit_caps (diracdec->srcpad); - gst_element_add_pad (GST_ELEMENT (diracdec), diracdec->srcpad); - - /* no capsnego done yet */ - diracdec->width = -1; - diracdec->height = -1; - diracdec->fps = 0; - diracdec->fcc = 0; -} - -static guint32 -gst_diracdec_chroma_to_fourcc (dirac_chroma_t chroma) -{ - guint32 fourcc = 0; - - switch (chroma) { - case Yonly: - fourcc = GST_MAKE_FOURCC ('Y', '8', '0', '0'); - break; - case format422: - fourcc = GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'); - break; - /* planar? */ - case format420: - case format444: - case format411: - default: - break; - } - - return fourcc; -} - -static gboolean -gst_diracdec_link (GstDiracDec * diracdec, - gint width, gint height, gdouble fps, guint32 fourcc) -{ - GstCaps *caps; - - if (width == diracdec->width && - height == diracdec->height && - fps == diracdec->fps && fourcc == diracdec->fcc) { - return TRUE; - } - - if (!fourcc) { - g_warning ("Chroma not supported\n"); - return FALSE; - } - - caps = gst_caps_new_simple ("video/x-raw-yuv", - "width", G_TYPE_INT, width, - "height", G_TYPE_INT, height, - "format", GST_TYPE_FOURCC, fourcc, "framerate", G_TYPE_DOUBLE, fps, NULL); - - if (gst_pad_set_explicit_caps (diracdec->srcpad, caps)) { - diracdec->width = width; - diracdec->height = height; - switch (fourcc) { - case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'): - diracdec->size = width * height * 2; - break; - case GST_MAKE_FOURCC ('Y', '8', '0', '0'): - diracdec->size = width * height; - break; - } - diracdec->fcc = fourcc; - diracdec->fps = fps; - - return TRUE; - } - - return FALSE; -} - -static void -gst_diracdec_chain (GstPad * pad, GstData * _data) -{ - GstDiracDec *diracdec = GST_DIRACDEC (gst_pad_get_parent (pad)); - GstBuffer *buf = GST_BUFFER (_data), *out; - gboolean c = TRUE; - - /* get state and do something */ - while (c) { - switch (dirac_parse (diracdec->decoder)) { - case STATE_BUFFER: - if (buf) { - /* provide data to decoder */ - dirac_buffer (diracdec->decoder, GST_BUFFER_DATA (buf), - GST_BUFFER_DATA (buf) + GST_BUFFER_SIZE (buf)); - gst_buffer_unref (buf); - buf = NULL; - } else { - /* need more data */ - c = FALSE; - } - break; - - case STATE_SEQUENCE:{ - guint8 *buf[3]; - gint fps_num, fps_denom; - - fps_num = diracdec->decoder->seq_params.frame_rate.numerator; - fps_denom = diracdec->decoder->seq_params.frame_rate.denominator; - - /* start-of-sequence - allocate buffer */ - if (!gst_diracdec_link (diracdec, - diracdec->decoder->seq_params.width, - diracdec->decoder->seq_params.height, - (gdouble) fps_num / (gdouble) fps_denom, - gst_diracdec_chroma_to_fourcc (diracdec->decoder-> - seq_params.chroma))) { - GST_ELEMENT_ERROR (diracdec, CORE, NEGOTIATION, (NULL), - ("Failed to set caps to %dx%d @ %d fps (format=" GST_FOURCC_FORMAT - "/%d)", diracdec->decoder->seq_params.width, - diracdec->decoder->seq_params.height, - diracdec->decoder->seq_params.frame_rate, - gst_diracdec_chroma_to_fourcc (diracdec->decoder-> - seq_params.chroma), - diracdec->decoder->seq_params.chroma)); - c = FALSE; - break; - } - - g_free (diracdec->decoder->fbuf->buf[0]); - g_free (diracdec->decoder->fbuf->buf[1]); - g_free (diracdec->decoder->fbuf->buf[2]); - buf[0] = (guchar *) g_malloc (diracdec->decoder->seq_params.width * - diracdec->decoder->seq_params.height); - if (diracdec->decoder->seq_params.chroma != Yonly) { - buf[1] = - (guchar *) g_malloc (diracdec->decoder->seq_params.chroma_width * - diracdec->decoder->seq_params.chroma_height); - buf[2] = - (guchar *) g_malloc (diracdec->decoder->seq_params.chroma_width * - diracdec->decoder->seq_params.chroma_height); - } - dirac_set_buf (diracdec->decoder, buf, NULL); - break; - } - - case STATE_SEQUENCE_END: - /* end-of-sequence - free buffer */ - g_free (diracdec->decoder->fbuf->buf[0]); - diracdec->decoder->fbuf->buf[0] = NULL; - g_free (diracdec->decoder->fbuf->buf[1]); - diracdec->decoder->fbuf->buf[1] = NULL; - g_free (diracdec->decoder->fbuf->buf[2]); - diracdec->decoder->fbuf->buf[2] = NULL; - break; - - case STATE_PICTURE_START: - /* start of one picture */ - break; - - case STATE_PICTURE_AVAIL: - /* one picture is decoded */ - out = gst_pad_alloc_buffer (diracdec->srcpad, 0, diracdec->size); - memcpy (GST_BUFFER_DATA (out), diracdec->decoder->fbuf->buf[0], - diracdec->width * diracdec->height); - if (diracdec->fcc != GST_MAKE_FOURCC ('Y', '8', '0', '0')) { - memcpy (GST_BUFFER_DATA (out) + (diracdec->width * - diracdec->height), diracdec->decoder->fbuf->buf[1], - diracdec->decoder->seq_params.chroma_width * - diracdec->decoder->seq_params.chroma_height); - memcpy (GST_BUFFER_DATA (out) + - (diracdec->decoder->seq_params.chroma_width * - diracdec->decoder->seq_params.chroma_height) + - (diracdec->width * diracdec->height), - diracdec->decoder->fbuf->buf[2], - diracdec->decoder->seq_params.chroma_width * - diracdec->decoder->seq_params.chroma_height); - } - GST_BUFFER_TIMESTAMP (out) = (guint64) (GST_SECOND * - diracdec->decoder->frame_params.fnum / diracdec->fps); - GST_BUFFER_DURATION (out) = (guint64) (GST_SECOND / diracdec->fps); - gst_pad_push (diracdec->srcpad, GST_DATA (out)); - break; - - case STATE_INVALID: - default: - GST_ELEMENT_ERROR (diracdec, LIBRARY, TOO_LAZY, (NULL), (NULL)); - c = FALSE; - break; - } - } -} - -static GstStateChangeReturn -gst_diracdec_change_state (GstElement * element, GstStateChange transition) -{ - GstDiracDec *diracdec = GST_DIRACDEC (element); - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - if (!(diracdec->decoder = dirac_decoder_init (0))) - return GST_STATE_CHANGE_FAILURE; - break; - case GST_STATE_CHANGE_READY_TO_NULL: - dirac_decoder_close (diracdec->decoder); - diracdec->width = diracdec->height = -1; - diracdec->fps = 0.; - diracdec->fcc = 0; - break; - default: - break; - } - - return parent_class->change_state (element, transition); -} |