decode.c revision 12bf452945ae64da69f474298758f9a7c8b94af5 
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#include "util/u_video.h"
32
33#include "vdpau_private.h"
34
35/**
36 * Create a VdpDecoder.
37 */
38VdpStatus
39vlVdpDecoderCreate(VdpDevice device,
40                   VdpDecoderProfile profile,
41                   uint32_t width, uint32_t height,
42                   uint32_t max_references,
43                   VdpDecoder *decoder)
44{
45   enum pipe_video_profile p_profile;
46   struct pipe_context *pipe;
47   struct pipe_screen *screen;
48   vlVdpDevice *dev;
49   vlVdpDecoder *vldecoder;
50   VdpStatus ret;
51   unsigned i;
52   bool supported;
53
54   VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Creating decoder\n");
55
56   if (!decoder)
57      return VDP_STATUS_INVALID_POINTER;
58   *decoder = 0;
59
60   if (!(width && height))
61      return VDP_STATUS_INVALID_VALUE;
62
63   p_profile = ProfileToPipe(profile);
64   if (p_profile == PIPE_VIDEO_PROFILE_UNKNOWN)
65      return VDP_STATUS_INVALID_DECODER_PROFILE;
66
67   dev = vlGetDataHTAB(device);
68   if (!dev)
69      return VDP_STATUS_INVALID_HANDLE;
70
71   pipe = dev->context->pipe;
72   screen = dev->vscreen->pscreen;
73   supported = screen->get_video_param
74   (
75      screen,
76      p_profile,
77      PIPE_VIDEO_CAP_SUPPORTED
78   );
79   if (!supported)
80      return VDP_STATUS_INVALID_DECODER_PROFILE;
81
82   vldecoder = CALLOC(1,sizeof(vlVdpDecoder));
83   if (!vldecoder)
84      return VDP_STATUS_RESOURCES;
85
86   vldecoder->device = dev;
87
88   vldecoder->decoder = pipe->create_video_decoder
89   (
90      pipe, p_profile,
91      PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
92      PIPE_VIDEO_CHROMA_FORMAT_420,
93      width, height, max_references
94   );
95
96   if (!vldecoder->decoder) {
97      ret = VDP_STATUS_ERROR;
98      goto error_decoder;
99   }
100
101   vldecoder->num_buffers = pipe->screen->get_video_param
102   (
103      pipe->screen, p_profile,
104      PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED
105   );
106   vldecoder->cur_buffer = 0;
107
108   vldecoder->buffers = CALLOC(vldecoder->num_buffers, sizeof(void*));
109   if (!vldecoder->buffers)
110         goto error_alloc_buffers;
111
112   for (i = 0; i < vldecoder->num_buffers; ++i) {
113      vldecoder->buffers[i] = vldecoder->decoder->create_buffer(vldecoder->decoder);
114      if (!vldecoder->buffers[i]) {
115         ret = VDP_STATUS_ERROR;
116         goto error_create_buffers;
117      }
118   }
119
120   *decoder = vlAddDataHTAB(vldecoder);
121   if (*decoder == 0) {
122      ret = VDP_STATUS_ERROR;
123      goto error_handle;
124   }
125
126   VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoder created succesfully\n");
127
128   return VDP_STATUS_OK;
129
130error_handle:
131error_create_buffers:
132
133   for (i = 0; i < vldecoder->num_buffers; ++i)
134      if (vldecoder->buffers[i])
135         vldecoder->decoder->destroy_buffer(vldecoder->decoder, vldecoder->buffers[i]);
136
137   FREE(vldecoder->buffers);
138
139error_alloc_buffers:
140
141   vldecoder->decoder->destroy(vldecoder->decoder);
142
143error_decoder:
144   FREE(vldecoder);
145   return ret;
146}
147
148/**
149 * Destroy a VdpDecoder.
150 */
151VdpStatus
152vlVdpDecoderDestroy(VdpDecoder decoder)
153{
154   vlVdpDecoder *vldecoder;
155   unsigned i;
156
157   VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Destroying decoder\n");
158
159   vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
160   if (!vldecoder)
161      return VDP_STATUS_INVALID_HANDLE;
162
163   for (i = 0; i < vldecoder->num_buffers; ++i)
164      if (vldecoder->buffers[i])
165         vldecoder->decoder->destroy_buffer(vldecoder->decoder, vldecoder->buffers[i]);
166
167   FREE(vldecoder->buffers);
168
169   vldecoder->decoder->destroy(vldecoder->decoder);
170
171   FREE(vldecoder);
172
173   return VDP_STATUS_OK;
174}
175
176/**
177 * Retrieve the parameters used to create a VdpBitmapSurface.
178 */
179VdpStatus
180vlVdpDecoderGetParameters(VdpDecoder decoder,
181                          VdpDecoderProfile *profile,
182                          uint32_t *width,
183                          uint32_t *height)
184{
185   vlVdpDecoder *vldecoder;
186
187   VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoder get parameters called\n");
188
189   vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
190   if (!vldecoder)
191      return VDP_STATUS_INVALID_HANDLE;
192
193   *profile = PipeToProfile(vldecoder->decoder->profile);
194   *width = vldecoder->decoder->width;
195   *height = vldecoder->decoder->height;
196
197   return VDP_STATUS_OK;
198}
199
200/**
201 * Decode a mpeg 1/2 video.
202 */
203static VdpStatus
204vlVdpDecoderRenderMpeg12(struct pipe_video_decoder *decoder,
205                         VdpPictureInfoMPEG1Or2 *picture_info)
206{
207   struct pipe_mpeg12_picture_desc picture;
208   struct pipe_mpeg12_quant_matrix quant;
209   struct pipe_video_buffer *ref_frames[2];
210   unsigned i;
211
212   VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding MPEG12\n");
213
214   i = 0;
215
216   /* if surfaces equals VDP_STATUS_INVALID_HANDLE, they are not used */
217   if (picture_info->forward_reference !=  VDP_INVALID_HANDLE) {
218      ref_frames[i] = ((vlVdpSurface *)vlGetDataHTAB(picture_info->forward_reference))->video_buffer;
219      if (!ref_frames[i])
220         return VDP_STATUS_INVALID_HANDLE;
221      ++i;
222   }
223
224   if (picture_info->backward_reference !=  VDP_INVALID_HANDLE) {
225      ref_frames[i] = ((vlVdpSurface *)vlGetDataHTAB(picture_info->backward_reference))->video_buffer;
226      if (!ref_frames[i])
227         return VDP_STATUS_INVALID_HANDLE;
228      ++i;
229   }
230
231   decoder->set_reference_frames(decoder, ref_frames, i);
232
233   memset(&picture, 0, sizeof(picture));
234   picture.base.profile = decoder->profile;
235   picture.picture_coding_type = picture_info->picture_coding_type;
236   picture.picture_structure = picture_info->picture_structure;
237   picture.frame_pred_frame_dct = picture_info->frame_pred_frame_dct;
238   picture.q_scale_type = picture_info->q_scale_type;
239   picture.alternate_scan = picture_info->alternate_scan;
240   picture.intra_vlc_format = picture_info->intra_vlc_format;
241   picture.concealment_motion_vectors = picture_info->concealment_motion_vectors;
242   picture.intra_dc_precision = picture_info->intra_dc_precision;
243   picture.f_code[0][0] = picture_info->f_code[0][0] - 1;
244   picture.f_code[0][1] = picture_info->f_code[0][1] - 1;
245   picture.f_code[1][0] = picture_info->f_code[1][0] - 1;
246   picture.f_code[1][1] = picture_info->f_code[1][1] - 1;
247   picture.num_slices = picture_info->slice_count;
248
249   decoder->set_picture_parameters(decoder, &picture.base);
250
251   memset(&quant, 0, sizeof(quant));
252   quant.base.codec = PIPE_VIDEO_CODEC_MPEG12;
253   quant.intra_matrix = picture_info->intra_quantizer_matrix;
254   quant.non_intra_matrix = picture_info->non_intra_quantizer_matrix;
255
256   decoder->set_quant_matrix(decoder, &quant.base);
257   return VDP_STATUS_OK;
258}
259
260/**
261 * Decode a mpeg 1/2 video.
262 */
263static VdpStatus
264vlVdpDecoderRenderMpeg4(struct pipe_video_decoder *decoder,
265                         VdpPictureInfoMPEG4Part2 *picture_info)
266{
267   struct pipe_mpeg4_picture_desc picture;
268   struct pipe_mpeg4_quant_matrix quant;
269   struct pipe_video_buffer *ref_frames[2] = {};
270   unsigned i;
271
272   VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding MPEG4\n");
273
274   /* if surfaces equals VDP_STATUS_INVALID_HANDLE, they are not used */
275   if (picture_info->forward_reference !=  VDP_INVALID_HANDLE) {
276      ref_frames[0] = ((vlVdpSurface *)vlGetDataHTAB(picture_info->forward_reference))->video_buffer;
277      if (!ref_frames[0])
278         return VDP_STATUS_INVALID_HANDLE;
279   }
280
281   if (picture_info->backward_reference !=  VDP_INVALID_HANDLE) {
282      ref_frames[1] = ((vlVdpSurface *)vlGetDataHTAB(picture_info->backward_reference))->video_buffer;
283      if (!ref_frames[1])
284         return VDP_STATUS_INVALID_HANDLE;
285   }
286   decoder->set_reference_frames(decoder, ref_frames, 2);
287
288   memset(&picture, 0, sizeof(picture));
289   picture.base.profile = decoder->profile;
290   for (i = 0; i < 2; ++i) {
291      picture.trd[i] = picture_info->trd[i];
292      picture.trb[i] = picture_info->trb[i];
293   }
294   picture.vop_time_increment_resolution = picture_info->vop_time_increment_resolution;
295   picture.vop_coding_type = picture_info->vop_coding_type;
296   picture.vop_fcode_forward = picture_info->vop_fcode_forward;
297   picture.vop_fcode_backward = picture_info->vop_fcode_backward;
298   picture.resync_marker_disable = picture_info->resync_marker_disable;
299   picture.interlaced = picture_info->interlaced;
300   picture.quant_type = picture_info->quant_type;
301   picture.quarter_sample = picture_info->quarter_sample;
302   picture.short_video_header = picture_info->short_video_header;
303   picture.rounding_control = picture_info->rounding_control;
304   picture.alternate_vertical_scan_flag = picture_info->alternate_vertical_scan_flag;
305   picture.top_field_first = picture_info->top_field_first;
306   decoder->set_picture_parameters(decoder, &picture.base);
307
308   memset(&quant, 0, sizeof(quant));
309   quant.base.codec = PIPE_VIDEO_CODEC_MPEG4;
310   quant.intra_matrix = picture_info->intra_quantizer_matrix;
311   quant.non_intra_matrix = picture_info->non_intra_quantizer_matrix;
312   decoder->set_quant_matrix(decoder, &quant.base);
313   return VDP_STATUS_OK;
314}
315
316/**
317 * Decode a compressed field/frame and render the result into a VdpVideoSurface.
318 */
319VdpStatus
320vlVdpDecoderRender(VdpDecoder decoder,
321                   VdpVideoSurface target,
322                   VdpPictureInfo const *picture_info,
323                   uint32_t bitstream_buffer_count,
324                   VdpBitstreamBuffer const *bitstream_buffers)
325{
326   vlVdpDecoder *vldecoder;
327   vlVdpSurface *vlsurf;
328   VdpStatus ret;
329   struct pipe_video_decoder *dec;
330   unsigned i;
331
332   VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding\n");
333
334   if (!(picture_info && bitstream_buffers))
335      return VDP_STATUS_INVALID_POINTER;
336
337   vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
338   if (!vldecoder)
339      return VDP_STATUS_INVALID_HANDLE;
340   dec = vldecoder->decoder;
341
342   vlsurf = (vlVdpSurface *)vlGetDataHTAB(target);
343   if (!vlsurf)
344      return VDP_STATUS_INVALID_HANDLE;
345
346   if (vlsurf->device != vldecoder->device)
347      return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
348
349   if (vlsurf->video_buffer->chroma_format != dec->chroma_format)
350      // TODO: Recreate decoder with correct chroma
351      return VDP_STATUS_INVALID_CHROMA_TYPE;
352
353   ++vldecoder->cur_buffer;
354   vldecoder->cur_buffer %= vldecoder->num_buffers;
355
356   dec->set_decode_buffer(dec, vldecoder->buffers[vldecoder->cur_buffer]);
357   dec->set_decode_target(dec, vlsurf->video_buffer);
358
359   switch (u_reduce_video_profile(dec->profile)) {
360   case PIPE_VIDEO_CODEC_MPEG12:
361      ret = vlVdpDecoderRenderMpeg12(dec, (VdpPictureInfoMPEG1Or2 *)picture_info);
362      break;
363   case PIPE_VIDEO_CODEC_MPEG4:
364      ret = vlVdpDecoderRenderMpeg4(dec, (VdpPictureInfoMPEG4Part2 *)picture_info);
365      break;
366
367   default:
368      return VDP_STATUS_INVALID_DECODER_PROFILE;
369   }
370   if (ret != VDP_STATUS_OK)
371      return ret;
372
373   dec->begin_frame(dec);
374   for (i = 0; i < bitstream_buffer_count; ++i)
375      dec->decode_bitstream(dec, bitstream_buffers[i].bitstream_bytes,
376                                           bitstream_buffers[i].bitstream);
377   dec->end_frame(dec);
378   return ret;
379}
380