1 /************************************************************************** 2 * 3 * Copyright 2014 Advanced Micro Devices, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #include "va_private.h" 29 30 void vlVaHandlePictureParameterBufferMPEG12(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf) 31 { 32 VAPictureParameterBufferMPEG2 *mpeg2 = buf->data; 33 34 assert(buf->size >= sizeof(VAPictureParameterBufferMPEG2) && buf->num_elements == 1); 35 context->desc.mpeg12.num_slices = 0; 36 /*horizontal_size;*/ 37 /*vertical_size;*/ 38 vlVaGetReferenceFrame(drv, mpeg2->forward_reference_picture, &context->desc.mpeg12.ref[0]); 39 vlVaGetReferenceFrame(drv, mpeg2->backward_reference_picture, &context->desc.mpeg12.ref[1]); 40 context->desc.mpeg12.picture_coding_type = mpeg2->picture_coding_type; 41 context->desc.mpeg12.f_code[0][0] = ((mpeg2->f_code >> 12) & 0xf) - 1; 42 context->desc.mpeg12.f_code[0][1] = ((mpeg2->f_code >> 8) & 0xf) - 1; 43 context->desc.mpeg12.f_code[1][0] = ((mpeg2->f_code >> 4) & 0xf) - 1; 44 context->desc.mpeg12.f_code[1][1] = (mpeg2->f_code & 0xf) - 1; 45 context->desc.mpeg12.intra_dc_precision = 46 mpeg2->picture_coding_extension.bits.intra_dc_precision; 47 context->desc.mpeg12.picture_structure = 48 mpeg2->picture_coding_extension.bits.picture_structure; 49 context->desc.mpeg12.top_field_first = 50 mpeg2->picture_coding_extension.bits.top_field_first; 51 context->desc.mpeg12.frame_pred_frame_dct = 52 mpeg2->picture_coding_extension.bits.frame_pred_frame_dct; 53 context->desc.mpeg12.concealment_motion_vectors = 54 mpeg2->picture_coding_extension.bits.concealment_motion_vectors; 55 context->desc.mpeg12.q_scale_type = 56 mpeg2->picture_coding_extension.bits.q_scale_type; 57 context->desc.mpeg12.intra_vlc_format = 58 mpeg2->picture_coding_extension.bits.intra_vlc_format; 59 context->desc.mpeg12.alternate_scan = 60 mpeg2->picture_coding_extension.bits.alternate_scan; 61 /*repeat_first_field*/ 62 /*progressive_frame*/ 63 /*is_first_field*/ 64 } 65 66 void vlVaHandleIQMatrixBufferMPEG12(vlVaContext *context, vlVaBuffer *buf) 67 { 68 VAIQMatrixBufferMPEG2 *mpeg2 = buf->data; 69 70 assert(buf->size >= sizeof(VAIQMatrixBufferMPEG2) && buf->num_elements == 1); 71 if (mpeg2->load_intra_quantiser_matrix) 72 context->desc.mpeg12.intra_matrix = mpeg2->intra_quantiser_matrix; 73 else 74 context->desc.mpeg12.intra_matrix = NULL; 75 76 if (mpeg2->load_non_intra_quantiser_matrix) 77 context->desc.mpeg12.non_intra_matrix = mpeg2->non_intra_quantiser_matrix; 78 else 79 context->desc.mpeg12.non_intra_matrix = NULL; 80 } 81 82 void vlVaHandleSliceParameterBufferMPEG12(vlVaContext *context, vlVaBuffer *buf) 83 { 84 assert(buf->size >= sizeof(VASliceParameterBufferMPEG2) && buf->num_elements == 1); 85 context->desc.mpeg12.num_slices += buf->num_elements; 86 } 87
