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