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Diffstat (limited to 'compat/avisynth/avisynth_c_25.h')
-rw-r--r-- | compat/avisynth/avisynth_c_25.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/compat/avisynth/avisynth_c_25.h b/compat/avisynth/avisynth_c_25.h new file mode 100644 index 0000000..9288761 --- /dev/null +++ b/compat/avisynth/avisynth_c_25.h @@ -0,0 +1,68 @@ +// Copyright (c) 2011 FFmpegSource Project +// +// 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS 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. + +/* these are defines/functions that are used and were changed in the switch to 2.6 + * and are needed to maintain full compatility with 2.5 */ + +enum { + AVS_CS_YV12_25 = 1<<3 | AVS_CS_YUV | AVS_CS_PLANAR, // y-v-u, planar + AVS_CS_I420_25 = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR, // y-u-v, planar +}; + +AVSC_INLINE int avs_get_height_p_25(const AVS_VideoFrame * p, int plane) { + switch (plane) + { + case AVS_PLANAR_U: case AVS_PLANAR_V: + if (p->pitchUV) + return p->height>>1; + return 0; + } + return p->height;} + +AVSC_INLINE int avs_get_row_size_p_25(const AVS_VideoFrame * p, int plane) { + int r; + switch (plane) + { + case AVS_PLANAR_U: case AVS_PLANAR_V: + if (p->pitchUV) + return p->row_size>>1; + else + return 0; + case AVS_PLANAR_U_ALIGNED: case AVS_PLANAR_V_ALIGNED: + if (p->pitchUV) + { + r = ((p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)) )>>1; // Aligned rowsize + if (r < p->pitchUV) + return r; + return p->row_size>>1; + } + else + return 0; + case AVS_PLANAR_Y_ALIGNED: + r = (p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)); // Aligned rowsize + if (r <= p->pitch) + return r; + return p->row_size; + } + return p->row_size; +} + +AVSC_INLINE int avs_is_yv12_25(const AVS_VideoInfo * p) + { return ((p->pixel_type & AVS_CS_YV12_25) == AVS_CS_YV12_25)||((p->pixel_type & AVS_CS_I420_25) == AVS_CS_I420_25); } |