1 /*****************************************************************************
2 * vaapi.c: VAAPI helpers for the libavcodec decoder
3 *****************************************************************************
4 * Copyright (C) 2009 Laurent Aimar
7 * Authors: Laurent Aimar <fenrir_AT_ videolan _DOT_ org>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
30 #include <vlc_common.h>
31 #include <vlc_plugin.h>
32 #include <vlc_fourcc.h>
35 #include <libavcodec/avcodec.h>
36 #include <libavcodec/vaapi.h>
38 #include <va/va_x11.h>
42 #include "../../video_chroma/copy.h"
44 #ifndef VA_SURFACE_ATTRIB_SETTABLE
45 #define vaCreateSurfaces(d, f, w, h, s, ns, a, na) \
46 vaCreateSurfaces(d, w, h, f, ns, s)
49 static int Create( vlc_va_t *, int, const es_format_t * );
50 static void Delete( vlc_va_t * );
53 set_description( N_("Video Acceleration (VA) API") )
54 set_capability( "hw decoder", 0 )
55 set_category( CAT_INPUT )
56 set_subcategory( SUBCAT_INPUT_VCODEC )
57 set_callbacks( Create, Delete )
70 Display *p_display_x11;
73 VAConfigID i_config_id;
74 VAContextID i_context_id;
76 struct vaapi_context hw_ctx;
85 unsigned int i_surface_order;
88 vlc_fourcc_t i_surface_chroma;
90 vlc_va_surface_t *p_surface;
93 copy_cache_t image_cache;
95 bool b_supports_derive;
99 static int Open( vlc_va_t *va, int i_codec_id )
101 vlc_va_sys_t *sys = calloc( 1, sizeof(*sys) );
102 if ( unlikely(sys == NULL) )
105 VAProfile i_profile, *p_profiles_list;
106 bool b_supported_profile = false;
107 int i_profiles_nb = 0;
113 case AV_CODEC_ID_MPEG1VIDEO:
114 case AV_CODEC_ID_MPEG2VIDEO:
115 i_profile = VAProfileMPEG2Main;
116 i_surface_count = 2+1;
118 case AV_CODEC_ID_MPEG4:
119 i_profile = VAProfileMPEG4AdvancedSimple;
120 i_surface_count = 2+1;
122 case AV_CODEC_ID_WMV3:
123 i_profile = VAProfileVC1Main;
124 i_surface_count = 2+1;
126 case AV_CODEC_ID_VC1:
127 i_profile = VAProfileVC1Advanced;
128 i_surface_count = 2+1;
130 case AV_CODEC_ID_H264:
131 i_profile = VAProfileH264High;
132 i_surface_count = 16+1;
139 sys->i_config_id = VA_INVALID_ID;
140 sys->i_context_id = VA_INVALID_ID;
141 sys->image.image_id = VA_INVALID_ID;
143 /* Create a VA display */
144 sys->p_display_x11 = XOpenDisplay(NULL);
145 if( !sys->p_display_x11 )
147 msg_Err( va, "Could not connect to X server" );
151 sys->p_display = vaGetDisplay( sys->p_display_x11 );
152 if( !sys->p_display )
154 msg_Err( va, "Could not get a VAAPI device" );
158 if( vaInitialize( sys->p_display, &sys->i_version_major, &sys->i_version_minor ) )
160 msg_Err( va, "Failed to initialize the VAAPI device" );
164 /* Check if the selected profile is supported */
165 i_profiles_nb = vaMaxNumProfiles( sys->p_display );
166 p_profiles_list = calloc( i_profiles_nb, sizeof( VAProfile ) );
167 if( !p_profiles_list )
170 VAStatus i_status = vaQueryConfigProfiles( sys->p_display, p_profiles_list, &i_profiles_nb );
171 if ( i_status == VA_STATUS_SUCCESS )
173 for( int i = 0; i < i_profiles_nb; i++ )
175 if ( p_profiles_list[i] == i_profile )
177 b_supported_profile = true;
182 free( p_profiles_list );
183 if ( !b_supported_profile )
185 msg_Dbg( va, "Codec and profile not supported by the hardware" );
189 /* Create a VA configuration */
190 VAConfigAttrib attrib;
191 memset( &attrib, 0, sizeof(attrib) );
192 attrib.type = VAConfigAttribRTFormat;
193 if( vaGetConfigAttributes( sys->p_display,
194 i_profile, VAEntrypointVLD, &attrib, 1 ) )
197 /* Not sure what to do if not, I don't have a way to test */
198 if( (attrib.value & VA_RT_FORMAT_YUV420) == 0 )
200 if( vaCreateConfig( sys->p_display,
201 i_profile, VAEntrypointVLD, &attrib, 1, &sys->i_config_id ) )
203 sys->i_config_id = VA_INVALID_ID;
207 sys->i_surface_count = i_surface_count;
209 sys->b_supports_derive = false;
211 vlc_mutex_init(&sys->lock);
213 if( asprintf( &va->description, "VA API version %d.%d",
214 sys->i_version_major, sys->i_version_minor ) < 0 )
215 va->description = NULL;
225 static void DestroySurfaces( vlc_va_sys_t *sys )
227 if( sys->image.image_id != VA_INVALID_ID )
229 CopyCleanCache( &sys->image_cache );
230 vaDestroyImage( sys->p_display, sys->image.image_id );
232 else if(sys->b_supports_derive)
234 CopyCleanCache( &sys->image_cache );
237 if( sys->i_context_id != VA_INVALID_ID )
238 vaDestroyContext( sys->p_display, sys->i_context_id );
240 for( int i = 0; i < sys->i_surface_count && sys->p_surface; i++ )
242 vlc_va_surface_t *p_surface = &sys->p_surface[i];
244 if( p_surface->i_id != VA_INVALID_SURFACE )
245 vaDestroySurfaces( sys->p_display, &p_surface->i_id, 1 );
247 free( sys->p_surface );
250 sys->image.image_id = VA_INVALID_ID;
251 sys->i_context_id = VA_INVALID_ID;
252 sys->p_surface = NULL;
253 sys->i_surface_width = 0;
254 sys->i_surface_height = 0;
255 vlc_mutex_destroy(&sys->lock);
258 static int CreateSurfaces( vlc_va_sys_t *sys, void **pp_hw_ctx, vlc_fourcc_t *pi_chroma,
259 int i_width, int i_height )
261 assert( i_width > 0 && i_height > 0 );
264 sys->p_surface = calloc( sys->i_surface_count, sizeof(*sys->p_surface) );
265 if( !sys->p_surface )
267 sys->image.image_id = VA_INVALID_ID;
268 sys->i_context_id = VA_INVALID_ID;
270 /* Create surfaces */
271 VASurfaceID pi_surface_id[sys->i_surface_count];
272 if( vaCreateSurfaces( sys->p_display, VA_RT_FORMAT_YUV420, i_width, i_height,
273 pi_surface_id, sys->i_surface_count, NULL, 0 ) )
275 for( int i = 0; i < sys->i_surface_count; i++ )
276 sys->p_surface[i].i_id = VA_INVALID_SURFACE;
280 for( int i = 0; i < sys->i_surface_count; i++ )
282 vlc_va_surface_t *p_surface = &sys->p_surface[i];
284 p_surface->i_id = pi_surface_id[i];
285 p_surface->i_refcount = 0;
286 p_surface->i_order = 0;
287 p_surface->p_lock = &sys->lock;
290 /* Create a context */
291 if( vaCreateContext( sys->p_display, sys->i_config_id,
292 i_width, i_height, VA_PROGRESSIVE,
293 pi_surface_id, sys->i_surface_count, &sys->i_context_id ) )
295 sys->i_context_id = VA_INVALID_ID;
299 /* Find and create a supported image chroma */
300 int i_fmt_count = vaMaxNumImageFormats( sys->p_display );
301 VAImageFormat *p_fmt = calloc( i_fmt_count, sizeof(*p_fmt) );
305 if( vaQueryImageFormats( sys->p_display, p_fmt, &i_fmt_count ) )
312 if(vaDeriveImage(sys->p_display, pi_surface_id[0], &test_image) == VA_STATUS_SUCCESS)
314 sys->b_supports_derive = true;
315 vaDestroyImage(sys->p_display, test_image.image_id);
318 vlc_fourcc_t i_chroma = 0;
320 for( int i = 0; i < i_fmt_count; i++ )
322 if( p_fmt[i].fourcc == VA_FOURCC( 'Y', 'V', '1', '2' ) ||
323 p_fmt[i].fourcc == VA_FOURCC( 'I', '4', '2', '0' ) ||
324 p_fmt[i].fourcc == VA_FOURCC( 'N', 'V', '1', '2' ) )
326 if( vaCreateImage( sys->p_display, &p_fmt[i], i_width, i_height, &sys->image ) )
328 sys->image.image_id = VA_INVALID_ID;
331 /* Validate that vaGetImage works with this format */
332 if( vaGetImage( sys->p_display, pi_surface_id[0],
333 0, 0, i_width, i_height,
334 sys->image.image_id) )
336 vaDestroyImage( sys->p_display, sys->image.image_id );
337 sys->image.image_id = VA_INVALID_ID;
341 i_chroma = VLC_CODEC_YV12;
349 *pi_chroma = i_chroma;
351 if(sys->b_supports_derive)
353 vaDestroyImage( sys->p_display, sys->image.image_id );
354 sys->image.image_id = VA_INVALID_ID;
357 if( unlikely(CopyInitCache( &sys->image_cache, i_width )) )
360 /* Setup the ffmpeg hardware context */
361 *pp_hw_ctx = &sys->hw_ctx;
363 memset( &sys->hw_ctx, 0, sizeof(sys->hw_ctx) );
364 sys->hw_ctx.display = sys->p_display;
365 sys->hw_ctx.config_id = sys->i_config_id;
366 sys->hw_ctx.context_id = sys->i_context_id;
369 sys->i_surface_chroma = i_chroma;
370 sys->i_surface_width = i_width;
371 sys->i_surface_height = i_height;
375 DestroySurfaces( sys );
379 static int Setup( vlc_va_t *va, void **pp_hw_ctx, vlc_fourcc_t *pi_chroma,
380 int i_width, int i_height )
382 vlc_va_sys_t *sys = va->sys;
384 if( sys->i_surface_width == i_width &&
385 sys->i_surface_height == i_height )
387 *pp_hw_ctx = &sys->hw_ctx;
388 *pi_chroma = sys->i_surface_chroma;
394 if( sys->i_surface_width || sys->i_surface_height )
395 DestroySurfaces( sys );
397 if( i_width > 0 && i_height > 0 )
398 return CreateSurfaces( sys, pp_hw_ctx, pi_chroma, i_width, i_height );
403 static int Extract( vlc_va_t *va, picture_t *p_picture, void *opaque,
406 vlc_va_sys_t *sys = va->sys;
407 VASurfaceID i_surface_id = (VASurfaceID)(uintptr_t)data;
409 #if VA_CHECK_VERSION(0,31,0)
410 if( vaSyncSurface( sys->p_display, i_surface_id ) )
412 if( vaSyncSurface( sys->p_display, sys->i_context_id, i_surface_id ) )
416 if(sys->b_supports_derive)
418 if(vaDeriveImage(sys->p_display, i_surface_id, &(sys->image)) != VA_STATUS_SUCCESS)
423 if( vaGetImage( sys->p_display, i_surface_id,
424 0, 0, sys->i_surface_width, sys->i_surface_height,
425 sys->image.image_id) )
430 if( vaMapBuffer( sys->p_display, sys->image.buf, &p_base ) )
433 const uint32_t i_fourcc = sys->image.format.fourcc;
434 if( i_fourcc == VA_FOURCC('Y','V','1','2') ||
435 i_fourcc == VA_FOURCC('I','4','2','0') )
437 bool b_swap_uv = i_fourcc == VA_FOURCC('I','4','2','0');
438 uint8_t *pp_plane[3];
441 for( int i = 0; i < 3; i++ )
443 const int i_src_plane = (b_swap_uv && i != 0) ? (3 - i) : i;
444 pp_plane[i] = (uint8_t*)p_base + sys->image.offsets[i_src_plane];
445 pi_pitch[i] = sys->image.pitches[i_src_plane];
447 CopyFromYv12( p_picture, pp_plane, pi_pitch,
448 sys->i_surface_width,
449 sys->i_surface_height,
454 assert( i_fourcc == VA_FOURCC('N','V','1','2') );
455 uint8_t *pp_plane[2];
458 for( int i = 0; i < 2; i++ )
460 pp_plane[i] = (uint8_t*)p_base + sys->image.offsets[i];
461 pi_pitch[i] = sys->image.pitches[i];
463 CopyFromNv12( p_picture, pp_plane, pi_pitch,
464 sys->i_surface_width,
465 sys->i_surface_height,
469 if( vaUnmapBuffer( sys->p_display, sys->image.buf ) )
472 if(sys->b_supports_derive)
474 vaDestroyImage( sys->p_display, sys->image.image_id );
475 sys->image.image_id = VA_INVALID_ID;
481 static int Get( vlc_va_t *va, void **opaque, uint8_t **data )
483 vlc_va_sys_t *sys = va->sys;
487 vlc_mutex_lock( &sys->lock );
488 /* Grab an unused surface, in case none are, try the oldest
489 * XXX using the oldest is a workaround in case a problem happens with ffmpeg */
490 for( i = 0, i_old = 0; i < sys->i_surface_count; i++ )
492 vlc_va_surface_t *p_surface = &sys->p_surface[i];
494 if( !p_surface->i_refcount )
497 if( p_surface->i_order < sys->p_surface[i_old].i_order )
500 if( i >= sys->i_surface_count )
502 vlc_mutex_unlock( &sys->lock );
504 vlc_va_surface_t *p_surface = &sys->p_surface[i];
506 p_surface->i_refcount = 1;
507 p_surface->i_order = sys->i_surface_order++;
508 *data = (void *)(uintptr_t)p_surface->i_id;
513 static void Release( void *opaque, uint8_t *data )
515 vlc_va_surface_t *p_surface = opaque;
517 vlc_mutex_lock( p_surface->p_lock );
518 p_surface->i_refcount--;
519 vlc_mutex_unlock( p_surface->p_lock );
523 static void Close( vlc_va_sys_t *sys )
525 if( sys->i_surface_width || sys->i_surface_height )
526 DestroySurfaces( sys );
528 if( sys->i_config_id != VA_INVALID_ID )
529 vaDestroyConfig( sys->p_display, sys->i_config_id );
531 vaTerminate( sys->p_display );
532 if( sys->p_display_x11 )
533 XCloseDisplay( sys->p_display_x11 );
536 static void Delete( vlc_va_t *va )
538 vlc_va_sys_t *sys = va->sys;
540 free( va->description );
544 static int Create( vlc_va_t *p_va, int i_codec_id, const es_format_t *fmt )
546 if( !vlc_xlib_init( VLC_OBJECT(p_va) ) )
548 msg_Warn( p_va, "Ignoring VA API" );
554 int err = Open( p_va, i_codec_id );
558 /* Only VLD supported */
559 p_va->pix_fmt = PIX_FMT_VAAPI_VLD;
562 p_va->release = Release;
563 p_va->extract = Extract;