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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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93 lines
3 KiB
C
93 lines
3 KiB
C
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/* GStreamer
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* Copyright (C) <2024> V-Nova International Limited
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "gstlcevcdecutils.h"
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LCEVC_ColorFormat
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gst_lcevc_dec_utils_get_color_format (GstVideoFormat format)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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return LCEVC_I420_8;
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case GST_VIDEO_FORMAT_NV12:
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return LCEVC_NV12_8;
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case GST_VIDEO_FORMAT_NV21:
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return LCEVC_NV21_8;
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case GST_VIDEO_FORMAT_RGB:
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return LCEVC_RGB_8;
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case GST_VIDEO_FORMAT_BGR:
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return LCEVC_BGR_8;
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case GST_VIDEO_FORMAT_RGBA:
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return LCEVC_RGBA_8;
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case GST_VIDEO_FORMAT_BGRA:
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return LCEVC_BGRA_8;
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case GST_VIDEO_FORMAT_ARGB:
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return LCEVC_ARGB_8;
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case GST_VIDEO_FORMAT_ABGR:
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return LCEVC_ABGR_8;
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default:
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break;
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}
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return LCEVC_ColorFormat_Unknown;
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}
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gboolean
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gst_lcevc_dec_utils_alloc_picture_handle (LCEVC_DecoderHandle decoder_handle,
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GstVideoFrame * frame, LCEVC_PictureHandle * picture_handle)
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{
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LCEVC_PictureDesc picture_desc = { 0, };
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LCEVC_PictureBufferDesc buffer_desc = { 0, };
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LCEVC_PicturePlaneDesc plane_desc[GST_VIDEO_MAX_PLANES] = { 0, };
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LCEVC_ColorFormat fmt;
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guint i;
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fmt = gst_lcevc_dec_utils_get_color_format (GST_VIDEO_FRAME_FORMAT (frame));
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if (fmt == LCEVC_ColorFormat_Unknown)
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return FALSE;
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/* Set LCEVC Picture Description */
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if (LCEVC_DefaultPictureDesc (&picture_desc, fmt,
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GST_VIDEO_FRAME_WIDTH (frame), GST_VIDEO_FRAME_HEIGHT (frame))
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!= LCEVC_Success)
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return FALSE;
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/* Set buffer description */
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buffer_desc.data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
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buffer_desc.byteSize = GST_VIDEO_FRAME_SIZE (frame);
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buffer_desc.access = LCEVC_Access_Write;
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/* Set plane description */
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for (i = 0; i < GST_VIDEO_FRAME_N_PLANES (frame); i++) {
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plane_desc[i].firstSample = GST_VIDEO_FRAME_PLANE_DATA (frame, i);
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plane_desc[i].rowByteStride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, i);
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}
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/* FIXME: We set the stride on all the array (needed for LCEVCdec 2.0.0) */
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for (; i < GST_VIDEO_MAX_PLANES; i++)
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plane_desc[i].rowByteStride = GST_VIDEO_FRAME_WIDTH (frame);
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/* Allocate LCEVC Picture */
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if (LCEVC_AllocPictureExternal (decoder_handle, &picture_desc, &buffer_desc,
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plane_desc, picture_handle) != LCEVC_Success)
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return FALSE;
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return TRUE;
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}
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