2 * producer_avformat/vdpau.c -- VDPAU functions for the avformat producer
3 * Copyright (C) 2009 Ushodaya Enterprises Limited
4 * Author: Dan Dennedy <dan@dennedy.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <libavcodec/vdpau.h>
25 extern pthread_mutex_t mlt_sdl_mutex;
27 static VdpGetProcAddress *vdp_get_proc_address;
28 static VdpGetErrorString *vdp_get_error_string;
29 static VdpGetApiVersion *vdp_get_api_version;
30 static VdpGetInformationString *vdp_get_information_string;
31 static VdpVideoSurfaceCreate *vdp_surface_create;
32 static VdpVideoSurfaceDestroy *vdp_surface_destroy;
33 static VdpVideoSurfaceGetBitsYCbCr *vdp_surface_get_bits;
34 static VdpDecoderCreate *vdp_decoder_create;
35 static VdpDecoderDestroy *vdp_decoder_destroy;
36 static VdpDecoderRender *vdp_decoder_render;
48 static void vdpau_decoder_close();
50 static int vdpau_init( producer_avformat this )
52 mlt_log_debug( MLT_PRODUCER_SERVICE(this->parent), "vdpau_init\n" );
54 mlt_properties properties = MLT_PRODUCER_PROPERTIES( this->parent );
55 Display *display = XOpenDisplay( NULL );
57 if ( !display || mlt_properties_get_int( properties, "novdpau" )
58 || ( getenv( "MLT_NO_VDPAU" ) && strcmp( getenv( "MLT_NO_VDPAU" ), "1" ) == 0 ) )
64 void *object = dlopen( "/usr/lib64/libvdpau.so", flags );
67 object = dlopen( "/usr/lib/libvdpau.so", flags );
70 VdpDeviceCreateX11 *create_device = dlsym( object, "vdp_device_create_x11" );
73 int screen = mlt_properties_get_int( properties, "x11_screen" );
76 mlt_log_debug( MLT_PRODUCER_SERVICE(this->parent), "X11 Display = %p\n", display );
77 if ( VDP_STATUS_OK == create_device( display, screen, &device, &vdp_get_proc_address ) )
79 // Allocate the global VDPAU context
80 g_vdpau = calloc( 1, sizeof( *g_vdpau ) );
83 g_vdpau->device = device;
84 g_vdpau->decoder = VDP_INVALID_HANDLE;
85 g_vdpau->producer = this;
86 vdp_get_proc_address( g_vdpau->device, VDP_FUNC_ID_GET_ERROR_STRING, (void**) &vdp_get_error_string );
87 vdp_get_proc_address( g_vdpau->device, VDP_FUNC_ID_GET_API_VERSION, (void**) &vdp_get_api_version );
88 vdp_get_proc_address( g_vdpau->device, VDP_FUNC_ID_GET_INFORMATION_STRING, (void**) &vdp_get_information_string );
89 vdp_get_proc_address( g_vdpau->device, VDP_FUNC_ID_VIDEO_SURFACE_CREATE, (void**) &vdp_surface_create );
90 vdp_get_proc_address( g_vdpau->device, VDP_FUNC_ID_VIDEO_SURFACE_DESTROY, (void**) &vdp_surface_destroy );
91 vdp_get_proc_address( g_vdpau->device, VDP_FUNC_ID_VIDEO_SURFACE_GET_BITS_Y_CB_CR, (void**) &vdp_surface_get_bits );
92 vdp_get_proc_address( g_vdpau->device, VDP_FUNC_ID_DECODER_CREATE, (void**) &vdp_decoder_create );
93 vdp_get_proc_address( g_vdpau->device, VDP_FUNC_ID_DECODER_DESTROY, (void**) &vdp_decoder_destroy );
94 vdp_get_proc_address( g_vdpau->device, VDP_FUNC_ID_DECODER_RENDER, (void**) &vdp_decoder_render );
101 mlt_log_debug( MLT_PRODUCER_SERVICE(this->parent), "VDPAU failed to initialize device\n" );
107 mlt_log( MLT_PRODUCER_SERVICE(this->parent), MLT_LOG_WARNING, "%s: failed to dlopen libvdpau.so\n (%s)\n", __FUNCTION__, dlerror() );
113 mlt_log_debug( MLT_PRODUCER_SERVICE(this->parent), "VDPAU already initialized\n" );
116 if ( g_vdpau && g_vdpau->producer != this )
117 vdpau_decoder_close();
122 static enum PixelFormat vdpau_get_format( struct AVCodecContext *s, const enum PixelFormat *fmt )
124 return PIX_FMT_VDPAU_H264;
127 static int vdpau_get_buffer( AVCodecContext *codec_context, AVFrame *frame )
130 producer_avformat this = codec_context->opaque;
131 mlt_log_debug( MLT_PRODUCER_SERVICE(this->parent), "vdpau_get_buffer\n" );
133 if ( g_vdpau->producer == this && mlt_deque_count( this->vdpau->deque ) )
135 struct vdpau_render_state *render = mlt_deque_pop_front( this->vdpau->deque );
139 frame->data[0] = (uint8_t*) render;
140 frame->data[1] = (uint8_t*) render;
141 frame->data[2] = (uint8_t*) render;
142 frame->linesize[0] = 0;
143 frame->linesize[1] = 0;
144 frame->linesize[2] = 0;
145 frame->type = FF_BUFFER_TYPE_USER;
146 render->state = FF_VDPAU_STATE_USED_FOR_REFERENCE;
147 frame->reordered_opaque = codec_context->reordered_opaque;
148 if ( frame->reference )
150 frame->age = this->vdpau->ip_age[0];
151 this->vdpau->ip_age[0] = this->vdpau->ip_age[1] + 1;
152 this->vdpau->ip_age[1] = 1;
153 this->vdpau->b_age++;
157 frame->age = this->vdpau->b_age;
158 this->vdpau->ip_age[0] ++;
159 this->vdpau->ip_age[1] ++;
160 this->vdpau->b_age = 1;
165 mlt_log_warning( MLT_PRODUCER_SERVICE(this->parent), "VDPAU surface underrun\n" );
171 mlt_log_warning( MLT_PRODUCER_SERVICE(this->parent), "VDPAU surface underrun\n" );
178 static void vdpau_release_buffer( AVCodecContext *codec_context, AVFrame *frame )
180 producer_avformat this = codec_context->opaque;
181 struct vdpau_render_state *render = (struct vdpau_render_state*) frame->data[0];
182 mlt_log_debug( MLT_PRODUCER_SERVICE(this->parent), "vdpau_release_buffer (%x)\n", render->surface );
185 render->state &= ~FF_VDPAU_STATE_USED_FOR_REFERENCE;
186 for ( i = 0; i < 4; i++ )
187 frame->data[i] = NULL;
188 mlt_deque_push_back( this->vdpau->deque, render );
191 static void vdpau_draw_horiz( AVCodecContext *codec_context, const AVFrame *frame, int offset[4], int y, int type, int height )
193 producer_avformat this = codec_context->opaque;
194 struct vdpau_render_state *render = (struct vdpau_render_state*) frame->data[0];
195 VdpVideoSurface surface = render->surface;
196 VdpStatus status = vdp_decoder_render( g_vdpau->decoder, surface, (void*) &render->info,
197 render->bitstream_buffers_used, render->bitstream_buffers );
199 if ( status != VDP_STATUS_OK )
201 this->vdpau->is_decoded = 0;
202 mlt_log_warning( MLT_PRODUCER_SERVICE(this->parent), "VDPAU failed to decode (%s)\n",
203 vdp_get_error_string( status ) );
207 this->vdpau->is_decoded = 1;
211 static int vdpau_decoder_init( producer_avformat this )
213 mlt_log_debug( MLT_PRODUCER_SERVICE(this->parent), "vdpau_decoder_init\n" );
216 this->video_codec->opaque = this;
217 this->video_codec->get_format = vdpau_get_format;
218 this->video_codec->get_buffer = vdpau_get_buffer;
219 this->video_codec->release_buffer = vdpau_release_buffer;
220 this->video_codec->draw_horiz_band = vdpau_draw_horiz;
221 this->video_codec->slice_flags = SLICE_FLAG_CODED_ORDER | SLICE_FLAG_ALLOW_FIELD;
222 this->video_codec->pix_fmt = PIX_FMT_VDPAU_H264;
224 VdpDecoderProfile profile = VDP_DECODER_PROFILE_H264_HIGH;
225 uint32_t max_references = this->video_codec->refs;
226 pthread_mutex_lock( &mlt_sdl_mutex );
227 VdpStatus status = vdp_decoder_create( g_vdpau->device,
228 profile, this->video_codec->width, this->video_codec->height, max_references, &g_vdpau->decoder );
229 pthread_mutex_unlock( &mlt_sdl_mutex );
231 if ( status == VDP_STATUS_OK )
235 int i, n = FFMIN( this->video_codec->refs + 2, MAX_VDPAU_SURFACES );
237 this->vdpau = calloc( 1, sizeof( *this->vdpau ) );
238 this->vdpau->deque = mlt_deque_init();
239 for ( i = 0; i < n; i++ )
241 if ( VDP_STATUS_OK == vdp_surface_create( g_vdpau->device, VDP_CHROMA_TYPE_420,
242 this->video_codec->width, this->video_codec->height, &this->vdpau->render_states[i].surface ) )
244 mlt_log_debug( MLT_PRODUCER_SERVICE(this->parent), "successfully created VDPAU surface %x\n",
245 this->vdpau->render_states[i].surface );
246 mlt_deque_push_back( this->vdpau->deque, &this->vdpau->render_states[i] );
250 mlt_log_info( MLT_PRODUCER_SERVICE(this->parent), "failed to create VDPAU surface %dx%d\n",
251 this->video_codec->width, this->video_codec->height );
252 while ( mlt_deque_count( this->vdpau->deque ) )
254 struct vdpau_render_state *render = mlt_deque_pop_front( this->vdpau->deque );
255 vdp_surface_destroy( render->surface );
257 mlt_deque_close( this->vdpau->deque );
260 vdp_decoder_destroy( g_vdpau->decoder );
261 g_vdpau->decoder = VDP_INVALID_HANDLE;
266 this->vdpau->b_age = this->vdpau->ip_age[0] = this->vdpau->ip_age[1] = 256*256*256*64; // magic from Avidemux
268 g_vdpau->producer = this;
273 g_vdpau->decoder = VDP_INVALID_HANDLE;
274 mlt_log_error( MLT_PRODUCER_SERVICE(this->parent), "VDPAU failed to initialize decoder (%s)\n",
275 vdp_get_error_string( status ) );
281 static void vdpau_producer_close( producer_avformat this )
285 mlt_log_debug( MLT_PRODUCER_SERVICE(this->parent), "vdpau_producer_close\n" );
287 for ( i = 0; i < MAX_VDPAU_SURFACES; i++ )
289 if ( this->vdpau->render_states[i].surface != VDP_INVALID_HANDLE )
290 vdp_surface_destroy( this->vdpau->render_states[i].surface );
291 this->vdpau->render_states[i].surface = VDP_INVALID_HANDLE;
293 mlt_deque_close( this->vdpau->deque );
294 if ( this->vdpau->buffer )
295 mlt_pool_release( this->vdpau->buffer );
296 this->vdpau->buffer = NULL;
302 static void vdpau_decoder_close( )
304 mlt_log_debug( NULL, "vdpau_decoder_close (%x)\n", g_vdpau->decoder );
305 if ( g_vdpau && g_vdpau->decoder != VDP_INVALID_HANDLE )
307 vdp_decoder_destroy( g_vdpau->decoder );
308 g_vdpau->decoder = VDP_INVALID_HANDLE;
309 g_vdpau->producer = NULL;
315 static void vdpau_close( void *ignored )
317 mlt_log_debug( NULL, "vdpau_close\n" );
320 vdpau_decoder_close( );