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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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318 lines
8.1 KiB
C
318 lines
8.1 KiB
C
/* GStreamer xvid encoder/decoder plugin
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include <xvid.h>
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#include <gst/video/video.h>
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#include "gstxviddec.h"
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#include "gstxvidenc.h"
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gboolean
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gst_xvid_init (void)
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{
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xvid_gbl_init_t xinit;
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gint ret;
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static gboolean is_init = FALSE;
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/* only init once */
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if (is_init == TRUE) {
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return TRUE;
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}
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/* set up xvid initially (function pointers, CPU flags) */
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gst_xvid_init_struct (xinit);
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if ((ret = xvid_global (NULL, XVID_GBL_INIT, &xinit, NULL)) < 0) {
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g_warning ("Failed to initialize XviD: %s (%d)", gst_xvid_error (ret), ret);
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return FALSE;
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}
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GST_LOG ("Initted XviD version %d.%d.%d (API %d.%d)",
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XVID_VERSION_MAJOR (XVID_VERSION),
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XVID_VERSION_MINOR (XVID_VERSION),
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XVID_VERSION_PATCH (XVID_VERSION),
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XVID_API_MAJOR (XVID_API), XVID_API_MINOR (XVID_API));
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is_init = TRUE;
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return TRUE;
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}
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gchar *
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gst_xvid_error (int errorcode)
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{
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gchar *error;
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switch (errorcode) {
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case XVID_ERR_FAIL:
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error = "Operation failed";
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break;
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case 0:
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error = "No error";
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break;
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case XVID_ERR_MEMORY:
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error = "Memory allocation error";
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break;
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case XVID_ERR_FORMAT:
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error = "File format not supported";
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break;
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case XVID_ERR_VERSION:
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error = "Structure version not supported";
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break;
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default:
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error = "Unknown error";
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break;
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}
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return error;
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}
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gint
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gst_xvid_structure_to_csp (GstStructure * structure,
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gint w, gint * _stride, gint * _bpp)
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{
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const gchar *mime = gst_structure_get_name (structure);
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gint xvid_cs = -1, stride = -1, bpp = -1;
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if (!strcmp (mime, "video/x-raw-yuv")) {
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guint32 fourcc;
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gst_structure_get_fourcc (structure, "format", &fourcc);
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switch (fourcc) {
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case GST_MAKE_FOURCC ('I', '4', '2', '0'):
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xvid_cs = XVID_CSP_I420;
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stride = w;
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bpp = 12;
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break;
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case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
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xvid_cs = XVID_CSP_YUY2;
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stride = w * 2;
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bpp = 16;
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break;
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case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
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xvid_cs = XVID_CSP_YV12;
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stride = w;
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bpp = 12;
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break;
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case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
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xvid_cs = XVID_CSP_UYVY;
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stride = w * 2;
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bpp = 16;
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break;
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case GST_MAKE_FOURCC ('Y', 'V', 'Y', 'U'):
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xvid_cs = XVID_CSP_YVYU;
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stride = w * 2;
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bpp = 16;
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break;
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}
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} else {
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gint depth, r_mask;
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gst_structure_get_int (structure, "depth", &depth);
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gst_structure_get_int (structure, "bpp", &bpp);
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gst_structure_get_int (structure, "red_mask", &r_mask);
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switch (depth) {
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case 15:
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xvid_cs = XVID_CSP_RGB555;
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break;
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case 16:
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xvid_cs = XVID_CSP_RGB565;
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break;
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case 24:
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if (bpp == 24) {
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xvid_cs = XVID_CSP_BGR;
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} else {
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switch (r_mask) {
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case 0xff000000:
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xvid_cs = XVID_CSP_RGBA;
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break;
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#ifdef XVID_CSP_ARGB
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case 0x00ff0000:
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xvid_cs = XVID_CSP_ARGB;
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break;
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#endif
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case 0x0000ff00:
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xvid_cs = XVID_CSP_BGRA;
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break;
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case 0x000000ff:
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xvid_cs = XVID_CSP_ABGR;
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break;
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}
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}
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break;
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default:
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break;
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}
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stride = w * bpp / 8;
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}
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if (_stride)
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*_stride = stride;
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if (_bpp)
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*_bpp = bpp;
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return xvid_cs;
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}
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GstCaps *
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gst_xvid_csp_to_caps (gint csp, gint w, gint h, gint fps_n, gint fps_d)
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{
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GstCaps *caps = NULL;
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switch (csp) {
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case XVID_CSP_RGB555:
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case XVID_CSP_RGB565:
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case XVID_CSP_BGR:
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case XVID_CSP_ABGR:
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case XVID_CSP_BGRA:
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#ifdef XVID_CSP_ARGB
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case XVID_CSP_ARGB:
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#endif
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case XVID_CSP_RGBA:{
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gint r_mask = 0, b_mask = 0, g_mask = 0,
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endianness = 0, bpp = 0, depth = 0;
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switch (csp) {
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case XVID_CSP_RGB555:
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r_mask = GST_VIDEO_RED_MASK_15_INT;
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g_mask = GST_VIDEO_GREEN_MASK_15_INT;
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b_mask = GST_VIDEO_BLUE_MASK_15_INT;
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endianness = G_BYTE_ORDER;
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depth = 15;
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bpp = 16;
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break;
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case XVID_CSP_RGB565:
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r_mask = GST_VIDEO_RED_MASK_16_INT;
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g_mask = GST_VIDEO_GREEN_MASK_16_INT;
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b_mask = GST_VIDEO_BLUE_MASK_16_INT;
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endianness = G_BYTE_ORDER;
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depth = 16;
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bpp = 16;
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break;
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case XVID_CSP_BGR:
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r_mask = 0x0000ff;
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g_mask = 0x00ff00;
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b_mask = 0xff0000;
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endianness = G_BIG_ENDIAN;
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depth = 24;
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bpp = 24;
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break;
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case XVID_CSP_ABGR:
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r_mask = 0x000000ff;
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g_mask = 0x0000ff00;
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b_mask = 0x00ff0000;
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endianness = G_BIG_ENDIAN;
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depth = 24;
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bpp = 32;
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break;
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case XVID_CSP_BGRA:
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r_mask = 0x0000ff00;
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g_mask = 0x00ff0000;
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b_mask = 0xff000000;
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endianness = G_BIG_ENDIAN;
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depth = 24;
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bpp = 32;
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break;
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#ifdef XVID_CSP_ARGB
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case XVID_CSP_ARGB:
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r_mask = 0x00ff0000;
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g_mask = 0x0000ff00;
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b_mask = 0x000000ff;
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endianness = G_BIG_ENDIAN;
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depth = 24;
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bpp = 32;
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break;
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#endif
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case XVID_CSP_RGBA:
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r_mask = 0xff000000;
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g_mask = 0x00ff0000;
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b_mask = 0x0000ff00;
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endianness = G_BIG_ENDIAN;
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depth = 24;
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bpp = 32;
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break;
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}
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caps = gst_caps_new_simple ("video/x-raw-rgb",
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"width", G_TYPE_INT, w,
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"height", G_TYPE_INT, h,
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"depth", G_TYPE_INT, depth,
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"bpp", G_TYPE_INT, bpp,
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"endianness", G_TYPE_INT, endianness,
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"red_mask", G_TYPE_INT, r_mask,
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"green_mask", G_TYPE_INT, g_mask,
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"blue_mask", G_TYPE_INT, b_mask,
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"framerate", GST_TYPE_FRACTION, fps_n, fps_d, NULL);
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break;
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}
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case XVID_CSP_YUY2:
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case XVID_CSP_YVYU:
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case XVID_CSP_UYVY:
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case XVID_CSP_I420:
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case XVID_CSP_YV12:{
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guint32 fourcc = 0;
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switch (csp) {
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case XVID_CSP_YUY2:
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fourcc = GST_MAKE_FOURCC ('Y', 'U', 'Y', '2');
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break;
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case XVID_CSP_YVYU:
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fourcc = GST_MAKE_FOURCC ('Y', 'V', 'Y', 'U');
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break;
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case XVID_CSP_UYVY:
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fourcc = GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
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break;
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case XVID_CSP_I420:
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fourcc = GST_MAKE_FOURCC ('I', '4', '2', '0');
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break;
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case XVID_CSP_YV12:
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fourcc = GST_MAKE_FOURCC ('Y', 'V', '1', '2');
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break;
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}
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caps = gst_caps_new_simple ("video/x-raw-yuv",
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"width", G_TYPE_INT, w,
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"height", G_TYPE_INT, h,
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"format", GST_TYPE_FOURCC, fourcc,
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"framerate", GST_TYPE_FRACTION, fps_n, fps_d, NULL);
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break;
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}
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}
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return caps;
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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return (gst_element_register (plugin, "xvidenc",
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GST_RANK_NONE, GST_TYPE_XVIDENC) &&
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gst_element_register (plugin, "xviddec",
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GST_RANK_SECONDARY, GST_TYPE_XVIDDEC));
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"xvid",
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"XviD plugin library", plugin_init, VERSION, "GPL", GST_PACKAGE, GST_ORIGIN)
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