1 /*****************************************************************************
2 * vaapi.c: VAAPI helpers for the libavcodec decoder
3 *****************************************************************************
4 * Copyright (C) 2009-2010 Laurent Aimar
5 * Copyright (C) 2012-2014 RĂ©mi Denis-Courmont
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 *, AVCodecContext *, 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;
81 unsigned int i_surface_order;
84 vlc_fourcc_t i_surface_chroma;
86 vlc_va_surface_t *p_surface;
89 copy_cache_t image_cache;
91 bool b_supports_derive;
95 static int Open( vlc_va_t *va, int i_codec_id, int i_thread_count )
97 vlc_va_sys_t *sys = calloc( 1, sizeof(*sys) );
98 if ( unlikely(sys == NULL) )
101 VAProfile i_profile, *p_profiles_list;
102 bool b_supported_profile = false;
103 int i_profiles_nb = 0;
109 case AV_CODEC_ID_MPEG1VIDEO:
110 case AV_CODEC_ID_MPEG2VIDEO:
111 i_profile = VAProfileMPEG2Main;
112 i_surface_count = 2 + 2;
114 case AV_CODEC_ID_MPEG4:
115 i_profile = VAProfileMPEG4AdvancedSimple;
116 i_surface_count = 2+1;
118 case AV_CODEC_ID_WMV3:
119 i_profile = VAProfileVC1Main;
120 i_surface_count = 2+1;
122 case AV_CODEC_ID_VC1:
123 i_profile = VAProfileVC1Advanced;
124 i_surface_count = 2+1;
126 case AV_CODEC_ID_H264:
127 i_profile = VAProfileH264High;
128 i_surface_count = 16 + i_thread_count + 2;
135 va->description = NULL;
136 sys->i_config_id = VA_INVALID_ID;
137 sys->i_context_id = VA_INVALID_ID;
138 sys->image.image_id = VA_INVALID_ID;
140 /* Create a VA display */
141 sys->p_display_x11 = XOpenDisplay(NULL);
142 if( !sys->p_display_x11 )
144 msg_Err( va, "Could not connect to X server" );
148 sys->p_display = vaGetDisplay( sys->p_display_x11 );
149 if( !sys->p_display )
151 msg_Err( va, "Could not get a VAAPI device" );
157 if( vaInitialize( sys->p_display, &major, &minor ) )
159 msg_Err( va, "Failed to initialize the VAAPI device" );
163 if( asprintf( &va->description, "VA API v%d.%d", major, minor ) < 0 )
164 va->description = NULL;
166 /* Check if the selected profile is supported */
167 i_profiles_nb = vaMaxNumProfiles( sys->p_display );
168 p_profiles_list = calloc( i_profiles_nb, sizeof( VAProfile ) );
169 if( !p_profiles_list )
172 VAStatus i_status = vaQueryConfigProfiles( sys->p_display, p_profiles_list, &i_profiles_nb );
173 if ( i_status == VA_STATUS_SUCCESS )
175 for( int i = 0; i < i_profiles_nb; i++ )
177 if ( p_profiles_list[i] == i_profile )
179 b_supported_profile = true;
184 free( p_profiles_list );
185 if ( !b_supported_profile )
187 msg_Dbg( va, "Codec and profile not supported by the hardware" );
191 /* Create a VA configuration */
192 VAConfigAttrib attrib;
193 memset( &attrib, 0, sizeof(attrib) );
194 attrib.type = VAConfigAttribRTFormat;
195 if( vaGetConfigAttributes( sys->p_display,
196 i_profile, VAEntrypointVLD, &attrib, 1 ) )
199 /* Not sure what to do if not, I don't have a way to test */
200 if( (attrib.value & VA_RT_FORMAT_YUV420) == 0 )
202 if( vaCreateConfig( sys->p_display,
203 i_profile, VAEntrypointVLD, &attrib, 1, &sys->i_config_id ) )
205 sys->i_config_id = VA_INVALID_ID;
209 sys->i_surface_count = i_surface_count;
211 sys->b_supports_derive = false;
213 vlc_mutex_init(&sys->lock);
219 free( va->description );
220 if( sys->p_display != NULL )
221 vaTerminate( sys->p_display );
222 if( sys->p_display_x11 != NULL )
223 XCloseDisplay( sys->p_display_x11 );
228 static void DestroySurfaces( vlc_va_sys_t *sys )
230 if( sys->image.image_id != VA_INVALID_ID )
232 CopyCleanCache( &sys->image_cache );
233 vaDestroyImage( sys->p_display, sys->image.image_id );
235 else if(sys->b_supports_derive)
237 CopyCleanCache( &sys->image_cache );
240 if( sys->i_context_id != VA_INVALID_ID )
241 vaDestroyContext( sys->p_display, sys->i_context_id );
243 for( int i = 0; i < sys->i_surface_count && sys->p_surface; i++ )
245 vlc_va_surface_t *p_surface = &sys->p_surface[i];
247 if( p_surface->i_id != VA_INVALID_SURFACE )
248 vaDestroySurfaces( sys->p_display, &p_surface->i_id, 1 );
250 free( sys->p_surface );
253 sys->image.image_id = VA_INVALID_ID;
254 sys->i_context_id = VA_INVALID_ID;
255 sys->p_surface = NULL;
256 sys->i_surface_width = 0;
257 sys->i_surface_height = 0;
258 vlc_mutex_destroy(&sys->lock);
261 static int CreateSurfaces( vlc_va_sys_t *sys, void **pp_hw_ctx, vlc_fourcc_t *pi_chroma,
262 int i_width, int i_height )
264 assert( i_width > 0 && i_height > 0 );
267 sys->p_surface = calloc( sys->i_surface_count, sizeof(*sys->p_surface) );
268 if( !sys->p_surface )
270 sys->image.image_id = VA_INVALID_ID;
271 sys->i_context_id = VA_INVALID_ID;
273 /* Create surfaces */
274 VASurfaceID pi_surface_id[sys->i_surface_count];
275 if( vaCreateSurfaces( sys->p_display, VA_RT_FORMAT_YUV420, i_width, i_height,
276 pi_surface_id, sys->i_surface_count, NULL, 0 ) )
278 for( int i = 0; i < sys->i_surface_count; i++ )
279 sys->p_surface[i].i_id = VA_INVALID_SURFACE;
283 for( int i = 0; i < sys->i_surface_count; i++ )
285 vlc_va_surface_t *p_surface = &sys->p_surface[i];
287 p_surface->i_id = pi_surface_id[i];
288 p_surface->i_refcount = 0;
289 p_surface->i_order = 0;
290 p_surface->p_lock = &sys->lock;
293 /* Create a context */
294 if( vaCreateContext( sys->p_display, sys->i_config_id,
295 i_width, i_height, VA_PROGRESSIVE,
296 pi_surface_id, sys->i_surface_count, &sys->i_context_id ) )
298 sys->i_context_id = VA_INVALID_ID;
302 /* Find and create a supported image chroma */
303 int i_fmt_count = vaMaxNumImageFormats( sys->p_display );
304 VAImageFormat *p_fmt = calloc( i_fmt_count, sizeof(*p_fmt) );
308 if( vaQueryImageFormats( sys->p_display, p_fmt, &i_fmt_count ) )
315 if(vaDeriveImage(sys->p_display, pi_surface_id[0], &test_image) == VA_STATUS_SUCCESS)
317 sys->b_supports_derive = true;
318 vaDestroyImage(sys->p_display, test_image.image_id);
321 vlc_fourcc_t i_chroma = 0;
323 for( int i = 0; i < i_fmt_count; i++ )
325 if( p_fmt[i].fourcc == VA_FOURCC( 'Y', 'V', '1', '2' ) ||
326 p_fmt[i].fourcc == VA_FOURCC( 'I', '4', '2', '0' ) ||
327 p_fmt[i].fourcc == VA_FOURCC( 'N', 'V', '1', '2' ) )
329 if( vaCreateImage( sys->p_display, &p_fmt[i], i_width, i_height, &sys->image ) )
331 sys->image.image_id = VA_INVALID_ID;
334 /* Validate that vaGetImage works with this format */
335 if( vaGetImage( sys->p_display, pi_surface_id[0],
336 0, 0, i_width, i_height,
337 sys->image.image_id) )
339 vaDestroyImage( sys->p_display, sys->image.image_id );
340 sys->image.image_id = VA_INVALID_ID;
344 i_chroma = VLC_CODEC_YV12;
352 *pi_chroma = i_chroma;
354 if(sys->b_supports_derive)
356 vaDestroyImage( sys->p_display, sys->image.image_id );
357 sys->image.image_id = VA_INVALID_ID;
360 if( unlikely(CopyInitCache( &sys->image_cache, i_width )) )
363 /* Setup the ffmpeg hardware context */
364 *pp_hw_ctx = &sys->hw_ctx;
366 memset( &sys->hw_ctx, 0, sizeof(sys->hw_ctx) );
367 sys->hw_ctx.display = sys->p_display;
368 sys->hw_ctx.config_id = sys->i_config_id;
369 sys->hw_ctx.context_id = sys->i_context_id;
372 sys->i_surface_chroma = i_chroma;
373 sys->i_surface_width = i_width;
374 sys->i_surface_height = i_height;
378 DestroySurfaces( sys );
382 static int Setup( vlc_va_t *va, void **pp_hw_ctx, vlc_fourcc_t *pi_chroma,
383 int i_width, int i_height )
385 vlc_va_sys_t *sys = va->sys;
387 if( sys->i_surface_width == i_width &&
388 sys->i_surface_height == i_height )
390 *pp_hw_ctx = &sys->hw_ctx;
391 *pi_chroma = sys->i_surface_chroma;
397 if( sys->i_surface_width || sys->i_surface_height )
398 DestroySurfaces( sys );
400 if( i_width > 0 && i_height > 0 )
401 return CreateSurfaces( sys, pp_hw_ctx, pi_chroma, i_width, i_height );
406 static int Extract( vlc_va_t *va, picture_t *p_picture, void *opaque,
409 vlc_va_sys_t *sys = va->sys;
410 VASurfaceID i_surface_id = (VASurfaceID)(uintptr_t)data;
412 #if VA_CHECK_VERSION(0,31,0)
413 if( vaSyncSurface( sys->p_display, i_surface_id ) )
415 if( vaSyncSurface( sys->p_display, sys->i_context_id, i_surface_id ) )
419 if(sys->b_supports_derive)
421 if(vaDeriveImage(sys->p_display, i_surface_id, &(sys->image)) != VA_STATUS_SUCCESS)
426 if( vaGetImage( sys->p_display, i_surface_id,
427 0, 0, sys->i_surface_width, sys->i_surface_height,
428 sys->image.image_id) )
433 if( vaMapBuffer( sys->p_display, sys->image.buf, &p_base ) )
436 const uint32_t i_fourcc = sys->image.format.fourcc;
437 if( i_fourcc == VA_FOURCC('Y','V','1','2') ||
438 i_fourcc == VA_FOURCC('I','4','2','0') )
440 bool b_swap_uv = i_fourcc == VA_FOURCC('I','4','2','0');
441 uint8_t *pp_plane[3];
444 for( int i = 0; i < 3; i++ )
446 const int i_src_plane = (b_swap_uv && i != 0) ? (3 - i) : i;
447 pp_plane[i] = (uint8_t*)p_base + sys->image.offsets[i_src_plane];
448 pi_pitch[i] = sys->image.pitches[i_src_plane];
450 CopyFromYv12( p_picture, pp_plane, pi_pitch,
451 sys->i_surface_width,
452 sys->i_surface_height,
457 assert( i_fourcc == VA_FOURCC('N','V','1','2') );
458 uint8_t *pp_plane[2];
461 for( int i = 0; i < 2; i++ )
463 pp_plane[i] = (uint8_t*)p_base + sys->image.offsets[i];
464 pi_pitch[i] = sys->image.pitches[i];
466 CopyFromNv12( p_picture, pp_plane, pi_pitch,
467 sys->i_surface_width,
468 sys->i_surface_height,
472 if( vaUnmapBuffer( sys->p_display, sys->image.buf ) )
475 if(sys->b_supports_derive)
477 vaDestroyImage( sys->p_display, sys->image.image_id );
478 sys->image.image_id = VA_INVALID_ID;
484 static int Get( vlc_va_t *va, void **opaque, uint8_t **data )
486 vlc_va_sys_t *sys = va->sys;
490 vlc_mutex_lock( &sys->lock );
491 /* Grab an unused surface, in case none are, try the oldest
492 * XXX using the oldest is a workaround in case a problem happens with ffmpeg */
493 for( i = 0, i_old = 0; i < sys->i_surface_count; i++ )
495 vlc_va_surface_t *p_surface = &sys->p_surface[i];
497 if( !p_surface->i_refcount )
500 if( p_surface->i_order < sys->p_surface[i_old].i_order )
503 if( i >= sys->i_surface_count )
505 vlc_mutex_unlock( &sys->lock );
507 vlc_va_surface_t *p_surface = &sys->p_surface[i];
509 p_surface->i_refcount = 1;
510 p_surface->i_order = sys->i_surface_order++;
511 *data = (void *)(uintptr_t)p_surface->i_id;
516 static void Release( void *opaque, uint8_t *data )
518 vlc_va_surface_t *p_surface = opaque;
520 vlc_mutex_lock( p_surface->p_lock );
521 p_surface->i_refcount--;
522 vlc_mutex_unlock( p_surface->p_lock );
526 static void Close( vlc_va_sys_t *sys )
528 if( sys->i_surface_width || sys->i_surface_height )
529 DestroySurfaces( sys );
531 if( sys->i_config_id != VA_INVALID_ID )
532 vaDestroyConfig( sys->p_display, sys->i_config_id );
533 vaTerminate( sys->p_display );
534 XCloseDisplay( sys->p_display_x11 );
537 static void Delete( vlc_va_t *va )
539 vlc_va_sys_t *sys = va->sys;
541 free( va->description );
545 static int Create( vlc_va_t *p_va, AVCodecContext *ctx,
546 const es_format_t *fmt )
548 if( !vlc_xlib_init( VLC_OBJECT(p_va) ) )
550 msg_Warn( p_va, "Ignoring VA API" );
556 int err = Open( p_va, ctx->codec_id, ctx->thread_count );
560 /* Only VLD supported */
561 p_va->pix_fmt = PIX_FMT_VAAPI_VLD;
564 p_va->release = Release;
565 p_va->extract = Extract;