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| Rev | Author | Line No. | Line |
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| 5564 | serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2009 Younes Manton. |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | #include "pipe/p_video_codec.h" |
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| 29 | |||
| 30 | #include "util/u_video.h" |
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| 31 | |||
| 32 | #include "vl_decoder.h" |
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| 33 | #include "vl_mpeg12_decoder.h" |
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| 34 | |||
| 35 | bool |
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| 36 | vl_profile_supported(struct pipe_screen *screen, enum pipe_video_profile profile, |
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| 37 | enum pipe_video_entrypoint entrypoint) |
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| 38 | { |
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| 39 | assert(screen); |
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| 40 | switch (u_reduce_video_profile(profile)) { |
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| 41 | case PIPE_VIDEO_FORMAT_MPEG12: |
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| 42 | return entrypoint != PIPE_VIDEO_ENTRYPOINT_ENCODE; |
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| 43 | default: |
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| 44 | return false; |
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| 45 | } |
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| 46 | } |
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| 47 | |||
| 48 | int |
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| 49 | vl_level_supported(struct pipe_screen *screen, enum pipe_video_profile profile) |
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| 50 | { |
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| 51 | assert(screen); |
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| 52 | switch (profile) { |
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| 53 | case PIPE_VIDEO_PROFILE_MPEG1: |
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| 54 | return 0; |
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| 55 | case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE: |
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| 56 | case PIPE_VIDEO_PROFILE_MPEG2_MAIN: |
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| 57 | return 3; |
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| 58 | default: |
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| 59 | return 0; |
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| 60 | } |
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| 61 | } |
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| 62 | |||
| 63 | struct pipe_video_codec * |
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| 64 | vl_create_decoder(struct pipe_context *pipe, |
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| 65 | const struct pipe_video_codec *templat) |
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| 66 | { |
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| 67 | unsigned width = templat->width, height = templat->height; |
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| 68 | struct pipe_video_codec temp; |
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| 69 | bool pot_buffers; |
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| 70 | |||
| 71 | assert(pipe); |
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| 72 | assert(width > 0 && height > 0); |
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| 73 | |||
| 74 | pot_buffers = !pipe->screen->get_video_param |
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| 75 | ( |
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| 76 | pipe->screen, |
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| 77 | templat->profile, |
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| 78 | templat->entrypoint, |
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| 79 | PIPE_VIDEO_CAP_NPOT_TEXTURES |
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| 80 | ); |
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| 81 | |||
| 82 | temp = *templat; |
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| 83 | temp.width = pot_buffers ? util_next_power_of_two(width) : align(width, VL_MACROBLOCK_WIDTH); |
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| 84 | temp.height = pot_buffers ? util_next_power_of_two(height) : align(height, VL_MACROBLOCK_HEIGHT); |
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| 85 | |||
| 86 | switch (u_reduce_video_profile(temp.profile)) { |
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| 87 | case PIPE_VIDEO_FORMAT_MPEG12: |
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| 88 | return vl_create_mpeg12_decoder(pipe, &temp); |
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| 89 | |||
| 90 | default: |
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| 91 | return NULL; |
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| 92 | } |
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| 93 | return NULL; |
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| 94 | } |