1// Copyright (c) 2011 FFmpegSource Project 2// 3// Permission is hereby granted, free of charge, to any person obtaining a copy 4// of this software and associated documentation files (the "Software"), to deal 5// in the Software without restriction, including without limitation the rights 6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7// copies of the Software, and to permit persons to whom the Software is 8// furnished to do so, subject to the following conditions: 9// 10// The above copyright notice and this permission notice shall be included in 11// all copies or substantial portions of the Software. 12// 13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19// THE SOFTWARE. 20 21/* these are defines/functions that are used and were changed in the switch to 2.6 22 * and are needed to maintain full compatility with 2.5 */ 23 24enum { 25 AVS_CS_YV12_25 = 1<<3 | AVS_CS_YUV | AVS_CS_PLANAR, // y-v-u, planar 26 AVS_CS_I420_25 = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR, // y-u-v, planar 27}; 28 29AVSC_INLINE int avs_get_height_p_25(const AVS_VideoFrame * p, int plane) { 30 switch (plane) 31 { 32 case AVS_PLANAR_U: case AVS_PLANAR_V: 33 if (p->pitchUV) 34 return p->height>>1; 35 return 0; 36 } 37 return p->height;} 38 39AVSC_INLINE int avs_get_row_size_p_25(const AVS_VideoFrame * p, int plane) { 40 int r; 41 switch (plane) 42 { 43 case AVS_PLANAR_U: case AVS_PLANAR_V: 44 if (p->pitchUV) 45 return p->row_size>>1; 46 else 47 return 0; 48 case AVS_PLANAR_U_ALIGNED: case AVS_PLANAR_V_ALIGNED: 49 if (p->pitchUV) 50 { 51 r = ((p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)) )>>1; // Aligned rowsize 52 if (r < p->pitchUV) 53 return r; 54 return p->row_size>>1; 55 } 56 else 57 return 0; 58 case AVS_PLANAR_Y_ALIGNED: 59 r = (p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)); // Aligned rowsize 60 if (r <= p->pitch) 61 return r; 62 return p->row_size; 63 } 64 return p->row_size; 65} 66 67AVSC_INLINE int avs_is_yv12_25(const AVS_VideoInfo * p) 68 { return ((p->pixel_type & AVS_CS_YV12_25) == AVS_CS_YV12_25)||((p->pixel_type & AVS_CS_I420_25) == AVS_CS_I420_25); } 69