forked from KolibriOS/kolibrios
81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
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/**************************************************************************
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*
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* Copyright 2009 Younes Manton.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "pipe/p_video_decoder.h"
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#include "util/u_video.h"
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#include "vl_decoder.h"
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#include "vl_mpeg12_decoder.h"
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bool
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vl_profile_supported(struct pipe_screen *screen, enum pipe_video_profile profile)
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{
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assert(screen);
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switch (u_reduce_video_profile(profile)) {
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case PIPE_VIDEO_CODEC_MPEG12:
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return true;
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default:
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return false;
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}
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}
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struct pipe_video_decoder *
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vl_create_decoder(struct pipe_context *pipe,
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enum pipe_video_profile profile,
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enum pipe_video_entrypoint entrypoint,
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enum pipe_video_chroma_format chroma_format,
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unsigned width, unsigned height, unsigned max_references,
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bool expect_chunked_decode)
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{
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unsigned buffer_width, buffer_height;
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bool pot_buffers;
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assert(pipe);
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assert(width > 0 && height > 0);
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pot_buffers = !pipe->screen->get_video_param
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(
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pipe->screen,
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profile,
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PIPE_VIDEO_CAP_NPOT_TEXTURES
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);
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buffer_width = pot_buffers ? util_next_power_of_two(width) : align(width, VL_MACROBLOCK_WIDTH);
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buffer_height = pot_buffers ? util_next_power_of_two(height) : align(height, VL_MACROBLOCK_HEIGHT);
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switch (u_reduce_video_profile(profile)) {
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case PIPE_VIDEO_CODEC_MPEG12:
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return vl_create_mpeg12_decoder(pipe, profile, entrypoint, chroma_format,
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buffer_width, buffer_height, max_references,
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expect_chunked_decode);
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default:
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return NULL;
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}
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return NULL;
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}
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