decode.c revision c24bc6f8684abee8c9a1b263334cd7a8506657b1
1/************************************************************************** 2 * 3 * Copyright 2010 Thomas Balling Sørensen. 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 "util/u_memory.h" 29#include "util/u_math.h" 30#include "util/u_debug.h" 31 32#include "vdpau_private.h" 33 34VdpStatus 35vlVdpDecoderCreate(VdpDevice device, 36 VdpDecoderProfile profile, 37 uint32_t width, uint32_t height, 38 uint32_t max_references, 39 VdpDecoder *decoder) 40{ 41 enum pipe_video_profile p_profile; 42 struct pipe_context *pipe; 43 vlVdpDevice *dev; 44 vlVdpDecoder *vldecoder; 45 VdpStatus ret; 46 unsigned i; 47 48 VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Creating decoder\n"); 49 50 if (!decoder) 51 return VDP_STATUS_INVALID_POINTER; 52 53 if (!(width && height)) 54 return VDP_STATUS_INVALID_VALUE; 55 56 p_profile = ProfileToPipe(profile); 57 if (p_profile == PIPE_VIDEO_PROFILE_UNKNOWN) 58 return VDP_STATUS_INVALID_DECODER_PROFILE; 59 60 dev = vlGetDataHTAB(device); 61 if (!dev) 62 return VDP_STATUS_INVALID_HANDLE; 63 64 pipe = dev->context->pipe; 65 66 vldecoder = CALLOC(1,sizeof(vlVdpDecoder)); 67 if (!vldecoder) 68 return VDP_STATUS_RESOURCES; 69 70 vldecoder->device = dev; 71 72 vldecoder->decoder = pipe->create_video_decoder 73 ( 74 pipe, p_profile, 75 PIPE_VIDEO_ENTRYPOINT_BITSTREAM, 76 PIPE_VIDEO_CHROMA_FORMAT_420, 77 width, height, max_references 78 ); 79 80 if (!vldecoder->decoder) { 81 ret = VDP_STATUS_ERROR; 82 goto error_decoder; 83 } 84 85 vldecoder->num_buffers = pipe->screen->get_video_param 86 ( 87 pipe->screen, p_profile, 88 PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED 89 ); 90 vldecoder->cur_buffer = 0; 91 92 vldecoder->buffers = CALLOC(vldecoder->num_buffers, sizeof(void*)); 93 if (!vldecoder->buffers) 94 goto error_alloc_buffers; 95 96 for (i = 0; i < vldecoder->num_buffers; ++i) { 97 vldecoder->buffers[i] = vldecoder->decoder->create_buffer(vldecoder->decoder); 98 if (!vldecoder->buffers[i]) { 99 ret = VDP_STATUS_ERROR; 100 goto error_create_buffers; 101 } 102 } 103 104 *decoder = vlAddDataHTAB(vldecoder); 105 if (*decoder == 0) { 106 ret = VDP_STATUS_ERROR; 107 goto error_handle; 108 } 109 110 VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoder created succesfully\n"); 111 112 return VDP_STATUS_OK; 113 114error_handle: 115error_create_buffers: 116 117 for (i = 0; i < vldecoder->num_buffers; ++i) 118 if (vldecoder->buffers[i]) 119 vldecoder->decoder->destroy_buffer(vldecoder->decoder, vldecoder->buffers[i]); 120 121 FREE(vldecoder->buffers); 122 123error_alloc_buffers: 124 125 vldecoder->decoder->destroy(vldecoder->decoder); 126 127error_decoder: 128 FREE(vldecoder); 129 return ret; 130} 131 132VdpStatus 133vlVdpDecoderDestroy(VdpDecoder decoder) 134{ 135 vlVdpDecoder *vldecoder; 136 unsigned i; 137 138 VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Destroying decoder\n"); 139 140 vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder); 141 if (!vldecoder) 142 return VDP_STATUS_INVALID_HANDLE; 143 144 for (i = 0; i < vldecoder->num_buffers; ++i) 145 if (vldecoder->buffers[i]) 146 vldecoder->decoder->destroy_buffer(vldecoder->decoder, vldecoder->buffers[i]); 147 148 FREE(vldecoder->buffers); 149 150 vldecoder->decoder->destroy(vldecoder->decoder); 151 152 FREE(vldecoder); 153 154 return VDP_STATUS_OK; 155} 156 157VdpStatus 158vlVdpDecoderGetParameters(VdpDecoder decoder, 159 VdpDecoderProfile *profile, 160 uint32_t *width, 161 uint32_t *height) 162{ 163 vlVdpDecoder *vldecoder; 164 165 VDPAU_MSG(VDPAU_TRACE, "[VDPAU] decoder get parameters called\n"); 166 167 vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder); 168 if (!vldecoder) 169 return VDP_STATUS_INVALID_HANDLE; 170 171 *profile = PipeToProfile(vldecoder->decoder->profile); 172 *width = vldecoder->decoder->width; 173 *height = vldecoder->decoder->height; 174 175 return VDP_STATUS_OK; 176} 177 178static VdpStatus 179vlVdpDecoderRenderMpeg12(struct pipe_video_decoder *decoder, 180 VdpPictureInfoMPEG1Or2 *picture_info, 181 uint32_t bitstream_buffer_count, 182 VdpBitstreamBuffer const *bitstream_buffers) 183{ 184 struct pipe_mpeg12_picture_desc picture; 185 struct pipe_mpeg12_quant_matrix quant; 186 struct pipe_video_buffer *ref_frames[2]; 187 unsigned i; 188 189 VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding MPEG2\n"); 190 191 i = 0; 192 193 /* if surfaces equals VDP_STATUS_INVALID_HANDLE, they are not used */ 194 if (picture_info->forward_reference != VDP_INVALID_HANDLE) { 195 ref_frames[i] = ((vlVdpSurface *)vlGetDataHTAB(picture_info->forward_reference))->video_buffer; 196 if (!ref_frames[i]) 197 return VDP_STATUS_INVALID_HANDLE; 198 ++i; 199 } 200 201 if (picture_info->backward_reference != VDP_INVALID_HANDLE) { 202 ref_frames[i] = ((vlVdpSurface *)vlGetDataHTAB(picture_info->backward_reference))->video_buffer; 203 if (!ref_frames[i]) 204 return VDP_STATUS_INVALID_HANDLE; 205 ++i; 206 } 207 208 decoder->set_reference_frames(decoder, ref_frames, i); 209 210 memset(&picture, 0, sizeof(picture)); 211 picture.base.profile = decoder->profile; 212 picture.picture_coding_type = picture_info->picture_coding_type; 213 picture.picture_structure = picture_info->picture_structure; 214 picture.frame_pred_frame_dct = picture_info->frame_pred_frame_dct; 215 picture.q_scale_type = picture_info->q_scale_type; 216 picture.alternate_scan = picture_info->alternate_scan; 217 picture.intra_vlc_format = picture_info->intra_vlc_format; 218 picture.concealment_motion_vectors = picture_info->concealment_motion_vectors; 219 picture.intra_dc_precision = picture_info->intra_dc_precision; 220 picture.f_code[0][0] = picture_info->f_code[0][0] - 1; 221 picture.f_code[0][1] = picture_info->f_code[0][1] - 1; 222 picture.f_code[1][0] = picture_info->f_code[1][0] - 1; 223 picture.f_code[1][1] = picture_info->f_code[1][1] - 1; 224 225 decoder->set_picture_parameters(decoder, &picture.base); 226 227 memset(&quant, 0, sizeof(quant)); 228 quant.base.codec = PIPE_VIDEO_CODEC_MPEG12; 229 quant.intra_matrix = picture_info->intra_quantizer_matrix; 230 quant.non_intra_matrix = picture_info->non_intra_quantizer_matrix; 231 232 decoder->set_quant_matrix(decoder, &quant.base); 233 234 decoder->begin_frame(decoder); 235 236 for (i = 0; i < bitstream_buffer_count; ++i) 237 decoder->decode_bitstream(decoder, bitstream_buffers[i].bitstream_bytes, 238 bitstream_buffers[i].bitstream); 239 240 decoder->end_frame(decoder); 241 242 return VDP_STATUS_OK; 243} 244 245VdpStatus 246vlVdpDecoderRender(VdpDecoder decoder, 247 VdpVideoSurface target, 248 VdpPictureInfo const *picture_info, 249 uint32_t bitstream_buffer_count, 250 VdpBitstreamBuffer const *bitstream_buffers) 251{ 252 vlVdpDecoder *vldecoder; 253 vlVdpSurface *vlsurf; 254 255 VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding\n"); 256 257 if (!(picture_info && bitstream_buffers)) 258 return VDP_STATUS_INVALID_POINTER; 259 260 vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder); 261 if (!vldecoder) 262 return VDP_STATUS_INVALID_HANDLE; 263 264 vlsurf = (vlVdpSurface *)vlGetDataHTAB(target); 265 if (!vlsurf) 266 return VDP_STATUS_INVALID_HANDLE; 267 268 if (vlsurf->device != vldecoder->device) 269 return VDP_STATUS_HANDLE_DEVICE_MISMATCH; 270 271 if (vlsurf->video_buffer->chroma_format != vldecoder->decoder->chroma_format) 272 // TODO: Recreate decoder with correct chroma 273 return VDP_STATUS_INVALID_CHROMA_TYPE; 274 275 // TODO: Right now only mpeg 1 & 2 is supported. 276 switch (vldecoder->decoder->profile) { 277 case PIPE_VIDEO_PROFILE_MPEG1: 278 case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE: 279 case PIPE_VIDEO_PROFILE_MPEG2_MAIN: 280 ++vldecoder->cur_buffer; 281 vldecoder->cur_buffer %= vldecoder->num_buffers; 282 283 vldecoder->decoder->set_decode_buffer(vldecoder->decoder, vldecoder->buffers[vldecoder->cur_buffer]); 284 vldecoder->decoder->set_decode_target(vldecoder->decoder, vlsurf->video_buffer); 285 286 return vlVdpDecoderRenderMpeg12(vldecoder->decoder, (VdpPictureInfoMPEG1Or2 *)picture_info, 287 bitstream_buffer_count, bitstream_buffers); 288 break; 289 290 default: 291 return VDP_STATUS_INVALID_DECODER_PROFILE; 292 } 293} 294