/*****************************************************************************
 * directx_va.c: DirectX Generic Video Acceleration helpers
 *****************************************************************************
 * Copyright (C) 2009 Geoffroy Couprie
 * Copyright (C) 2009 Laurent Aimar
 * Copyright (C) 2015 Steve Lhomme
 *
 * Authors: Geoffroy Couprie <geal@videolan.org>
 *          Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
 *          Steve Lhomme <robux4@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/
#include <process.h>
#include <winapifamily.h>
#undef WINAPI_FAMILY
#define WINAPI_FAMILY WINAPI_FAMILY_DESKTOP_APP

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <assert.h>

#include <initguid.h>

#if defined(HAVE_LIBAVCODEC_DXVA2_H)
# include <libavcodec/dxva2.h>
#elif defined(HAVE_LIBAVCODEC_D3D11VA_H)
# include <libavcodec/d3d11va.h>
#else
# error bogus libavcodec DXVA support
#endif

#include "directx_va.h"
#include <vlc_codecs.h> // GUID_FMT/GUID_PRINT

#include "../../packetizer/h264_nal.h"
#include "../../packetizer/hevc_nal.h"

static const int PROF_MPEG2_MAIN[]   = { AVPROFILE(MPEG2_SIMPLE),
                                         AVPROFILE(MPEG2_MAIN),
                                         AVPROFILE(UNKNOWN) };
static const int PROF_H264_HIGH[]    = { AVPROFILE(H264_BASELINE),
                                         AVPROFILE(H264_CONSTRAINED_BASELINE),
                                         AVPROFILE(H264_MAIN),
                                         AVPROFILE(H264_HIGH),
                                         AVPROFILE(UNKNOWN) };
static const int PROF_HEVC_MAIN[]    = { AVPROFILE(HEVC_MAIN),
                                         AVPROFILE(UNKNOWN) };
static const int PROF_HEVC_MAIN10[]  = { AVPROFILE(HEVC_MAIN),
                                         AVPROFILE(HEVC_MAIN_10),
                                         AVPROFILE(UNKNOWN) };

static const int PROF_HEVC_MAIN_REXT[]  = { AVPROFILE(HEVC_REXT),
                                            AVPROFILE(UNKNOWN) };

static const int PROF_VP9_MAIN[]    = { AVPROFILE(VP9_0), AVPROFILE(UNKNOWN) };
static const int PROF_VP9_10[]      = { AVPROFILE(VP9_2), AVPROFILE(UNKNOWN) };

static const int PROF_AV1_MAIN[]    = { AVPROFILE(AV1_MAIN), AVPROFILE(UNKNOWN) };
static const int PROF_AV1_HIGH[]    = { AVPROFILE(AV1_HIGH), AVPROFILE(AV1_MAIN), AVPROFILE(UNKNOWN) };

#if defined(__MINGW64_VERSION_MAJOR) // mingw-w64 doesn't have all the standard GUIDs

#if __MINGW64_VERSION_MAJOR < 13
// define missing GUIDs added in mingw-w64 v13 and not mapped to other guids
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main12,        0x1a72925f, 0x0c2c, 0x4f15, 0x96, 0xfb, 0xb1, 0x7d, 0x14, 0x73, 0x60, 0x3f);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main10_422,    0x0bac4fe5, 0x1532, 0x4429, 0xa8, 0x54, 0xf8, 0x4d, 0xe0, 0x49, 0x53, 0xdb);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main12_422,    0x55bcac81, 0xf311, 0x4093, 0xa7, 0xd0, 0x1c, 0xbc, 0x0b, 0x84, 0x9b, 0xee);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main_444,      0x4008018f, 0xf537, 0x4b36, 0x98, 0xcf, 0x61, 0xaf, 0x8a, 0x2c, 0x1a, 0x33);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main10_444,    0x0dabeffa, 0x4458, 0x4602, 0xbc, 0x03, 0x07, 0x95, 0x65, 0x9d, 0x61, 0x7c);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main12_444,    0x9798634d, 0xfe9d, 0x48e5, 0xb4, 0xda, 0xdb, 0xec, 0x45, 0xb3, 0xdf, 0x01);
#endif

# if defined(HAVE_LIBAVCODEC_DXVA2_H)
// do nothing, we have redirected DXVA_xxx to DXVA2_xxx
# elif defined(HAVE_LIBAVCODEC_D3D11VA_H) && __MINGW64_VERSION_MAJOR > 11
// do nothing, we have redirected DXVA_xxx to D3D11_DECODER_PROFILE_xxx
# else // !HAVE_LIBAVCODEC_DXVA2_H && !HAVE_LIBAVCODEC_D3D11VA_H
// define missing GUIDs from D3D11-only builds with old mingw-w64
DEFINE_GUID(DXVA_ModeMPEG2and1_VLD, 0x86695f12, 0x340e, 0x4f04, 0x9f, 0xd3, 0x92, 0x53, 0xdd, 0x32, 0x74, 0x60);
DEFINE_GUID(DXVA_ModeMPEG1_VLD,     0x6f3ec719, 0x3735, 0x42cc, 0x80, 0x63, 0x65, 0xcc, 0x3c, 0xb3, 0x66, 0x16);
DEFINE_GUID(DXVA2_ModeMPEG2_VLD,    0xee27417f, 0x5e28,0x4e65, 0xbe, 0xea, 0x1d, 0x26, 0xb5, 0x08, 0xad, 0xc9);
DEFINE_GUID(DXVA2_ModeMPEG2_IDCT,   0xbf22ad00, 0x03ea,0x4690, 0x80, 0x77, 0x47, 0x33, 0x46, 0x20, 0x9b, 0x7e);
DEFINE_GUID(DXVA2_ModeMPEG2_MoComp, 0xe6a9f44b, 0x61b0,0x4563, 0x9e, 0xa4, 0x63, 0xd2, 0xa3, 0xc6, 0xfe, 0x66);
DEFINE_GUID(DXVA_ModeH264_A,       0x1b81be64, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH264_B,       0x1b81be65, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH264_C,       0x1b81be66, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH264_D,       0x1b81be67, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH264_E,       0x1b81be68, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH264_F,       0x1b81be69, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH264_VLD_Stereo_Progressive_NoFGT, 0xd79be8da, 0x0cf1,0x4c81, 0xb8, 0x2a, 0x69, 0xa4, 0xe2, 0x36, 0xf4, 0x3d);
DEFINE_GUID(DXVA_ModeH264_VLD_Stereo_NoFGT,             0xf9aaccbb, 0xc2b6,0x4cfc, 0x87, 0x79, 0x57, 0x07, 0xb1, 0x76, 0x05, 0x52);
DEFINE_GUID(DXVA_ModeH264_VLD_Multiview_NoFGT,          0x705b9d82, 0x76cf,0x49d6, 0xb7, 0xe6, 0xac, 0x88, 0x72, 0xdb, 0x01, 0x3c);
DEFINE_GUID(DXVA_ModeWMV8_A,       0x1b81be80, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeWMV8_B,       0x1b81be81, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeWMV9_A,       0x1b81be90, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeWMV9_B,       0x1b81be91, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeWMV9_C,       0x1b81be94, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeVC1_A,        0x1b81beA0, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeVC1_B,        0x1b81beA1, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeVC1_C,        0x1b81beA2, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeVC1_D,        0x1b81beA3, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeVC1_D2010,    0x1b81bea4, 0xa0c7,0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeMPEG4pt2_VLD_Simple,           0xefd64d74, 0xc9e8,0x41d7, 0xa5, 0xe9, 0xe9, 0xb0, 0xe3, 0x9f, 0xa3, 0x19);
DEFINE_GUID(DXVA_ModeMPEG4pt2_VLD_AdvSimple_NoGMC,  0xed418a9f, 0x010d,0x4eda, 0x9a, 0xe3, 0x9a, 0x65, 0x35, 0x8d, 0x8d, 0x2e);
DEFINE_GUID(DXVA_ModeMPEG4pt2_VLD_AdvSimple_GMC,    0xab998b5b, 0x4258,0x44a9, 0x9f, 0xeb, 0x94, 0xe5, 0x97, 0xa6, 0xba, 0xae);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main,          0x5b11d51b, 0x2f4c,0x4452, 0xbc, 0xc3, 0x09, 0xf2, 0xa1, 0x16, 0x0c, 0xc0);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main10,        0x107af0e0, 0xef1a,0x4d19, 0xab, 0xa8, 0x67, 0xa1, 0x63, 0x07, 0x3d, 0x13);
DEFINE_GUID(DXVA_ModeVP8_VLD,                0x90b899ea, 0x3a62,0x4705, 0x88, 0xb3, 0x8d, 0xf0, 0x4b, 0x27, 0x44, 0xe7);
DEFINE_GUID(DXVA_ModeVP9_VLD_Profile0,       0x463707f8, 0xa1d0,0x4585, 0x87, 0x6d, 0x83, 0xaa, 0x6d, 0x60, 0xb8, 0x9e);
DEFINE_GUID(DXVA_ModeVP9_VLD_10bit_Profile2, 0xa4c749ef, 0x6ecf,0x48aa, 0x84, 0x48, 0x50, 0xa7, 0xa1, 0x16, 0x5f, 0xf7);
# endif

#  if !defined(DXVA_ModeH264_MoComp_NoFGT) // __MINGW64_VERSION_MAJOR < 13
DEFINE_GUID(DXVA_ModeMPEG1_A,                       0x1b81be09, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeMPEG2_A,                       0x1b81be0A, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeMPEG2_B,                       0x1b81be0B, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeMPEG2_C,                       0x1b81be0C, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeMPEG2_D,                       0x1b81be0D, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);

DEFINE_GUID(DXVA_ModeH261_A,                        0x1b81be01, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH261_B,                        0x1b81be02, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);

DEFINE_GUID(DXVA_ModeH263_A,                        0x1b81be03, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH263_B,                        0x1b81be04, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH263_C,                        0x1b81be05, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH263_D,                        0x1b81be06, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH263_E,                        0x1b81be07, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_ModeH263_F,                        0x1b81be08, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);

DEFINE_GUID(DXVA_ModeH264_VLD_WithFMOASO_NoFGT,     0xd5f04ff9, 0x3418, 0x45d8, 0x95, 0x61, 0x32, 0xa7, 0x6a, 0xae, 0x2d, 0xdd);
#  endif

#endif // __MINGW64_VERSION_MAJOR


/** GUIDs not found in the Platform SDK **/
DEFINE_GUID(DXVA_ModeH264_VLD_Multiview,            0x9901CCD3, 0xca12, 0x4b7e, 0x86, 0x7a, 0xe2, 0x22, 0x3d, 0x92, 0x55, 0xc3); // MVC
DEFINE_GUID(DXVADDI_Intel_ModeH264_A,               0x604F8E64, 0x4951, 0x4c54, 0x88, 0xFE, 0xAB, 0xD2, 0x5C, 0x15, 0xB3, 0xD6);
DEFINE_GUID(DXVADDI_Intel_ModeH264_C,               0x604F8E66, 0x4951, 0x4c54, 0x88, 0xFE, 0xAB, 0xD2, 0x5C, 0x15, 0xB3, 0xD6);
DEFINE_GUID(DXVA_Intel_H264_NoFGT_ClearVideo,       0x604F8E68, 0x4951, 0x4c54, 0x88, 0xFE, 0xAB, 0xD2, 0x5C, 0x15, 0xB3, 0xD6);
DEFINE_GUID(DXVA_ModeH264_VLD_NoFGT_Flash,          0x4245F676, 0x2BBC, 0x4166, 0xa0, 0xBB, 0x54, 0xE7, 0xB8, 0x49, 0xC3, 0x80);

DEFINE_GUID(DXVA_Intel_VC1_ClearVideo,              0xBCC5DB6D, 0xA2B6, 0x4AF0, 0xAC, 0xE4, 0xAD, 0xB1, 0xF7, 0x87, 0xBC, 0x89);
DEFINE_GUID(DXVA_Intel_VC1_ClearVideo_2,            0xE07EC519, 0xE651, 0x4CD6, 0xAC, 0x84, 0x13, 0x70, 0xCC, 0xEE, 0xC8, 0x51);

DEFINE_GUID(DXVA_nVidia_MPEG4_ASP,                  0x9947EC6F, 0x689B, 0x11DC, 0xA3, 0x20, 0x00, 0x19, 0xDB, 0xBC, 0x41, 0x84);
DEFINE_GUID(DXVA_ModeMPEG4pt2_VLD_AdvSimple_Avivo,  0x7C74ADC6, 0xe2ba, 0x4ade, 0x86, 0xde, 0x30, 0xbe, 0xab, 0xb4, 0x0c, 0xc1);

DEFINE_GUID(DXVA_ModeHEVC_VLD_Main_Intel,           0x8c56eb1e, 0x2b47, 0x466f, 0x8d, 0x33, 0x7d, 0xbc, 0xd6, 0x3f, 0x3d, 0xf2);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main10_Intel,         0x75fc75f7, 0xc589, 0x4a07, 0xa2, 0x5b, 0x72, 0xe0, 0x3b, 0x03, 0x83, 0xb3);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main12_Intel,         0x8ff8a3aa, 0xc456, 0x4132, 0xb6, 0xef, 0x69, 0xd9, 0xdd, 0x72, 0x57, 0x1d);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main422_10_Intel,     0xe484dcb8, 0xcac9, 0x4859, 0x99, 0xf5, 0x5c, 0x0d, 0x45, 0x06, 0x90, 0x89);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main422_12_Intel,     0xc23dd857, 0x874b, 0x423c, 0xb6, 0xe0, 0x82, 0xce, 0xaa, 0x9b, 0x11, 0x8a);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main444_Intel,        0x41a5af96, 0xe415, 0x4b0c, 0x9d, 0x03, 0x90, 0x78, 0x58, 0xe2, 0x3e, 0x78);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main444_10_Intel,     0x6a6a81ba, 0x912a, 0x485d, 0xb5, 0x7f, 0xcc, 0xd2, 0xd3, 0x7b, 0x8d, 0x94);
DEFINE_GUID(DXVA_ModeHEVC_VLD_Main444_12_Intel,     0x5b08e35d, 0x0c66, 0x4c51, 0xa6, 0xf1, 0x89, 0xd0, 0x0c, 0xb2, 0xc1, 0x97);

DEFINE_GUID(DXVA_ModeH264_VLD_SVC_Scalable_Baseline,                    0xc30700c4, 0xe384, 0x43e0, 0xb9, 0x82, 0x2d, 0x89, 0xee, 0x7f, 0x77, 0xc4);
DEFINE_GUID(DXVA_ModeH264_VLD_SVC_Restricted_Scalable_Baseline,         0x9b8175d4, 0xd670, 0x4cf2, 0xa9, 0xf0, 0xfa, 0x56, 0xdf, 0x71, 0xa1, 0xae);
DEFINE_GUID(DXVA_ModeH264_VLD_SVC_Scalable_High,                        0x728012c9, 0x66a8, 0x422f, 0x97, 0xe9, 0xb5, 0xe3, 0x9b, 0x51, 0xc0, 0x53);
DEFINE_GUID(DXVA_ModeH264_VLD_SVC_Restricted_Scalable_High_Progressive, 0x8efa5926, 0xbd9e, 0x4b04, 0x8b, 0x72, 0x8f, 0x97, 0x7d, 0xc4, 0x4c, 0x36);

DEFINE_GUID(DXVA_ModeVP9_VLD_Intel,                 0x76988a52, 0xdf13, 0x419a, 0x8e, 0x64, 0xff, 0xcf, 0x4a, 0x33, 0x6c, 0xf5);

#ifndef _DIRECTX_AV1_VA_
// only found in recent Platform SDK and mingw-w64
DEFINE_GUID(DXVA_ModeAV1_VLD_Profile0, 0xb8be4ccb, 0xcf53, 0x46ba, 0x8d, 0x59, 0xd6, 0xb8, 0xa6, 0xda, 0x5d, 0x2a);
DEFINE_GUID(DXVA_ModeAV1_VLD_Profile1, 0x6936ff0f, 0x45b1, 0x4163, 0x9c, 0xc1, 0x64, 0x6e, 0xf6, 0x94, 0x61, 0x08);
DEFINE_GUID(DXVA_ModeAV1_VLD_Profile2, 0x0c5f2aa1, 0xe541, 0x4089, 0xbb, 0x7b, 0x98, 0x11, 0x0a, 0x19, 0xd7, 0xc8);
DEFINE_GUID(DXVA_ModeAV1_VLD_12bit_Profile2, 0x17127009, 0xa00f, 0x4ce1, 0x99, 0x4e, 0xbf, 0x40, 0x81, 0xf6, 0xf3, 0xf0);
DEFINE_GUID(DXVA_ModeAV1_VLD_12bit_Profile2_420, 0x2d80bed6, 0x9cac, 0x4835, 0x9e, 0x91, 0x32, 0x7b, 0xbc, 0x4f, 0x9e, 0xe8);
#endif // !_DIRECTX_AV1_VA_

#ifndef FF_DXVA_WORKAROUND_GONE
#define DEF_DXVA_MODE(name, guid, bitdepth, chroma_w, chroma_h, avcodecid, profiles, workaround) \
    { name, guid, bitdepth, { chroma_w, chroma_h }, avcodecid, profiles, workaround }
#else
#define DEF_DXVA_MODE(name, guid, bitdepth, chroma_w, chroma_h, avcodecid, profiles, workaround) \
    { name, guid, bitdepth, { chroma_w, chroma_h }, avcodecid, profiles }
#endif

#define DEF_DXVA_MODE_420_8B(name, guid, avcodecid, profiles) \
    DEF_DXVA_MODE(name, guid, 8, 1, 1, avcodecid, profiles, 0)
#define DEF_DXVA_MODE_420_10B(name, guid, avcodecid, profiles) \
    DEF_DXVA_MODE(name, guid, 10, 1, 1, avcodecid, profiles, 0)
#define DEF_DXVA_MODE_420_8B_UNSUPPORTED(name, guid) \
    DEF_DXVA_MODE(name, guid, 8, 1, 1, 0, NULL, 0)


/* XXX Preferred modes must come first */
static const directx_va_mode_t DXVA_MODES[] = {
    /* MPEG-1/2 */
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-1 decoder, restricted profile A",               &DXVA_ModeMPEG1_A ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-2 decoder, restricted profile A",               &DXVA_ModeMPEG2_A ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-2 decoder, restricted profile B",               &DXVA_ModeMPEG2_B ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-2 decoder, restricted profile C",               &DXVA_ModeMPEG2_C ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-2 decoder, restricted profile D",               &DXVA_ModeMPEG2_D ),

    DEF_DXVA_MODE_420_8B( "MPEG-2 variable-length decoder",                                 &DXVA2_ModeMPEG2_VLD,                   AV_CODEC_ID_MPEG2VIDEO, PROF_MPEG2_MAIN ),
    DEF_DXVA_MODE_420_8B( "MPEG-2 & MPEG-1 variable-length decoder",                        &DXVA_ModeMPEG2and1_VLD,                AV_CODEC_ID_MPEG2VIDEO, PROF_MPEG2_MAIN ),
    DEF_DXVA_MODE_420_8B( "MPEG-2 & MPEG-1 variable-length decoder",                        &DXVA_ModeMPEG2and1_VLD,                AV_CODEC_ID_MPEG1VIDEO, NULL ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-2 motion compensation",                         &DXVA2_ModeMPEG2_MoComp ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-2 inverse discrete cosine transform",           &DXVA2_ModeMPEG2_IDCT ),

    /* MPEG-1 http://download.microsoft.com/download/B/1/7/B172A3C8-56F2-4210-80F1-A97BEA9182ED/DXVA_MPEG1_VLD.pdf */
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-1 variable-length decoder, no D pictures",      &DXVA_ModeMPEG1_VLD ),

    /* H.264 http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=3d1c290b-310b-4ea2-bf76-714063a6d7a6 */
    DEF_DXVA_MODE_420_8B( "H.264 variable-length decoder, film grain technology",           &DXVA_ModeH264_F,                       AV_CODEC_ID_H264, PROF_H264_HIGH ),
    DEF_DXVA_MODE_420_8B( "H.264 variable-length decoder, no film grain technology",        &DXVA_ModeH264_E,                       AV_CODEC_ID_H264, PROF_H264_HIGH ),
#if !(defined(_GAMING_XBOX_SCARLETT) || defined(_GAMING_XBOX_XBOXONE) || defined(_XBOX_ONE)) && defined(FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO)
    DEF_DXVA_MODE( "H.264 variable-length decoder, no film grain technology (Intel ClearVideo)",   &DXVA_Intel_H264_NoFGT_ClearVideo,      8, 1, 1, AV_CODEC_ID_H264, PROF_H264_HIGH, FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO ),
#endif
    DEF_DXVA_MODE_420_8B( "H.264 variable-length decoder, no film grain technology, FMO/ASO",             &DXVA_ModeH264_VLD_WithFMOASO_NoFGT,    AV_CODEC_ID_H264, PROF_H264_HIGH ),
    DEF_DXVA_MODE_420_8B( "H.264 variable-length decoder, no film grain technology, Flash",               &DXVA_ModeH264_VLD_NoFGT_Flash,         AV_CODEC_ID_H264, PROF_H264_HIGH ),

    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 inverse discrete cosine transform, film grain technology",     &DXVA_ModeH264_D ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 inverse discrete cosine transform, no film grain technology",  &DXVA_ModeH264_C ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 inverse discrete cosine transform, no film grain technology (Intel)", &DXVADDI_Intel_ModeH264_C ),

    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 motion compensation, film grain technology",                   &DXVA_ModeH264_B ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 motion compensation, no film grain technology",                &DXVA_ModeH264_A ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 motion compensation, no film grain technology (Intel)",        &DXVADDI_Intel_ModeH264_A ),

    /* http://download.microsoft.com/download/2/D/0/2D02E72E-7890-430F-BA91-4A363F72F8C8/DXVA_H264_MVC.pdf */
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 stereo high profile, mbs flag set",                            &DXVA_ModeH264_VLD_Stereo_Progressive_NoFGT ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 stereo high profile",                                          &DXVA_ModeH264_VLD_Stereo_NoFGT ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 multiview high profile",                                       &DXVA_ModeH264_VLD_Multiview_NoFGT ),

    /* SVC http://download.microsoft.com/download/C/8/A/C8AD9F1B-57D1-4C10-85A0-09E3EAC50322/DXVA_SVC_2012_06.pdf */
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 scalable video coding, Scalable Baseline Profile",             &DXVA_ModeH264_VLD_SVC_Scalable_Baseline ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 scalable video coding, Scalable Constrained Baseline Profile", &DXVA_ModeH264_VLD_SVC_Restricted_Scalable_Baseline ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 scalable video coding, Scalable High Profile",                 &DXVA_ModeH264_VLD_SVC_Scalable_High ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.264 scalable video coding, Scalable Constrained High Profile",     &DXVA_ModeH264_VLD_SVC_Restricted_Scalable_High_Progressive ),

    /* WMV */
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "Windows Media Video 8 motion compensation",          &DXVA_ModeWMV8_B ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "Windows Media Video 8 post processing",              &DXVA_ModeWMV8_A ),

    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "Windows Media Video 9 IDCT",                         &DXVA_ModeWMV9_C ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "Windows Media Video 9 motion compensation",          &DXVA_ModeWMV9_B ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "Windows Media Video 9 post processing",              &DXVA_ModeWMV9_A ),

    /* VC-1 */
    DEF_DXVA_MODE_420_8B( "VC-1 variable-length decoder",                                   &DXVA_ModeVC1_D,                        AV_CODEC_ID_VC1, NULL ),
    DEF_DXVA_MODE_420_8B( "VC-1 variable-length decoder",                                   &DXVA_ModeVC1_D,                        AV_CODEC_ID_WMV3, NULL ),
    DEF_DXVA_MODE_420_8B( "VC-1 variable-length decoder",                                   &DXVA_ModeVC1_D2010,                    AV_CODEC_ID_VC1, NULL ),
    DEF_DXVA_MODE_420_8B( "VC-1 variable-length decoder",                                   &DXVA_ModeVC1_D2010,                    AV_CODEC_ID_WMV3, NULL ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "VC-1 variable-length decoder 2 (Intel)",             &DXVA_Intel_VC1_ClearVideo_2 ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "VC-1 variable-length decoder (Intel)",               &DXVA_Intel_VC1_ClearVideo ),

    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "VC-1 inverse discrete cosine transform",             &DXVA_ModeVC1_C ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "VC-1 motion compensation",                           &DXVA_ModeVC1_B ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "VC-1 post processing",                               &DXVA_ModeVC1_A ),

    /* Xvid/Divx: TODO */
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-4 Part 2 nVidia bitstream decoder",                                    &DXVA_nVidia_MPEG4_ASP ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-4 Part 2 variable-length decoder, Simple Profile",                     &DXVA_ModeMPEG4pt2_VLD_Simple ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-4 Part 2 variable-length decoder, Simple&Advanced Profile, no GMC",    &DXVA_ModeMPEG4pt2_VLD_AdvSimple_NoGMC ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-4 Part 2 variable-length decoder, Simple&Advanced Profile, GMC",       &DXVA_ModeMPEG4pt2_VLD_AdvSimple_GMC   ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "MPEG-4 Part 2 variable-length decoder, Simple&Advanced Profile, Avivo",     &DXVA_ModeMPEG4pt2_VLD_AdvSimple_Avivo ),

    /* HEVC */
    // Intel specific GUID support
    DEF_DXVA_MODE_420_8B( "HEVC Main profile (Intel)",                                      &DXVA_ModeHEVC_VLD_Main_Intel,           AV_CODEC_ID_HEVC, PROF_HEVC_MAIN ),
    DEF_DXVA_MODE_420_10B( "HEVC Main 10 profile (Intel)",                                  &DXVA_ModeHEVC_VLD_Main10_Intel,         AV_CODEC_ID_HEVC, PROF_HEVC_MAIN10 ),
    DEF_DXVA_MODE( "HEVC Main profile 4:2:2 Range Extension (Intel)",                       &DXVA_ModeHEVC_VLD_Main12_Intel,         8, 1, 0, AV_CODEC_ID_HEVC, NULL, 0 ),
    DEF_DXVA_MODE( "HEVC Main 10 profile 4:2:2 Range Extension (Intel)",                    &DXVA_ModeHEVC_VLD_Main422_10_Intel,    10, 1, 0, AV_CODEC_ID_HEVC, NULL, 0 ),
    DEF_DXVA_MODE( "HEVC Main 12 profile 4:2:2 Range Extension (Intel)",                    &DXVA_ModeHEVC_VLD_Main422_12_Intel,    12, 1, 0, AV_CODEC_ID_HEVC, NULL, 0 ),
    DEF_DXVA_MODE( "HEVC Main profile 4:4:4 Range Extension (Intel)",                       &DXVA_ModeHEVC_VLD_Main444_Intel,        8, 0, 0, AV_CODEC_ID_HEVC, NULL, 0 ),
    DEF_DXVA_MODE( "HEVC Main 10 profile 4:4:4 Range Extension (Intel)",                    &DXVA_ModeHEVC_VLD_Main444_10_Intel,    10, 0, 0, AV_CODEC_ID_HEVC, NULL, 0 ),
    DEF_DXVA_MODE( "HEVC Main 12 profile 4:4:4 Range Extension (Intel)",                    &DXVA_ModeHEVC_VLD_Main444_12_Intel,    12, 0, 0, AV_CODEC_ID_HEVC, NULL, 0 ),
    DEF_DXVA_MODE_420_8B( "HEVC Main profile",                                              &DXVA_ModeHEVC_VLD_Main,                AV_CODEC_ID_HEVC, PROF_HEVC_MAIN ),
    DEF_DXVA_MODE_420_10B( "HEVC Main 10 profile",                                          &DXVA_ModeHEVC_VLD_Main10,              AV_CODEC_ID_HEVC, PROF_HEVC_MAIN10 ),
    DEF_DXVA_MODE( "HEVC Main profile 4:2:2 Range Extension",                               &DXVA_ModeHEVC_VLD_Main12,      8, 1, 0, AV_CODEC_ID_HEVC, PROF_HEVC_MAIN_REXT, 0 ),
    DEF_DXVA_MODE( "HEVC Main 10 profile 4:2:2 Range Extension",                            &DXVA_ModeHEVC_VLD_Main10_422, 10, 1, 0, AV_CODEC_ID_HEVC, PROF_HEVC_MAIN_REXT, 0 ),
    DEF_DXVA_MODE( "HEVC Main 12 profile 4:2:2 Range Extension",                            &DXVA_ModeHEVC_VLD_Main12_422, 12, 1, 0, AV_CODEC_ID_HEVC, PROF_HEVC_MAIN_REXT, 0 ),
    DEF_DXVA_MODE( "HEVC Main profile 4:4:4 Range Extension",                               &DXVA_ModeHEVC_VLD_Main_444,    8, 0, 0, AV_CODEC_ID_HEVC, PROF_HEVC_MAIN_REXT, 0 ),
    DEF_DXVA_MODE( "HEVC Main 10 profile 4:4:4 Range Extension",                            &DXVA_ModeHEVC_VLD_Main10_444, 10, 0, 0, AV_CODEC_ID_HEVC, PROF_HEVC_MAIN_REXT, 0 ),
    DEF_DXVA_MODE( "HEVC Main 12 profile 4:4:4 Range Extension",                            &DXVA_ModeHEVC_VLD_Main12_444, 12, 0, 0, AV_CODEC_ID_HEVC, PROF_HEVC_MAIN_REXT, 0 ),

    /* H.261 */
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.261 decoder, restricted profile A",                &DXVA_ModeH261_A ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.261 decoder, restricted profile B",                &DXVA_ModeH261_B ),

    /* H.263 */
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.263 decoder, restricted profile A",                &DXVA_ModeH263_A ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.263 decoder, restricted profile B",                &DXVA_ModeH263_B ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.263 decoder, restricted profile C",                &DXVA_ModeH263_C ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.263 decoder, restricted profile D",                &DXVA_ModeH263_D ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.263 decoder, restricted profile E",                &DXVA_ModeH263_E ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "H.263 decoder, restricted profile F",                &DXVA_ModeH263_F ),

    /* VPx */
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "VP8",                                                &DXVA_ModeVP8_VLD ),
    DEF_DXVA_MODE_420_8B( "VP9 profile 0",                                                  &DXVA_ModeVP9_VLD_Profile0,             AV_CODEC_ID_VP9, PROF_VP9_MAIN ),
    DEF_DXVA_MODE_420_10B( "VP9 profile 2",                                                 &DXVA_ModeVP9_VLD_10bit_Profile2,       AV_CODEC_ID_VP9, PROF_VP9_10 ),
    DEF_DXVA_MODE_420_8B_UNSUPPORTED( "VP9 profile Intel",                                  &DXVA_ModeVP9_VLD_Intel ),

    /* AV1 */
    DEF_DXVA_MODE_420_8B( "AV1 Main profile 8",                                             &DXVA_ModeAV1_VLD_Profile0,             AV_CODEC_ID_AV1, PROF_AV1_MAIN ),
    DEF_DXVA_MODE_420_10B( "AV1 Main profile 10",                                           &DXVA_ModeAV1_VLD_Profile0,             AV_CODEC_ID_AV1, PROF_AV1_MAIN ),
    DEF_DXVA_MODE_420_8B( "AV1 High profile 8",                                             &DXVA_ModeAV1_VLD_Profile1,             AV_CODEC_ID_AV1, PROF_AV1_HIGH ),
    DEF_DXVA_MODE_420_10B( "AV1 High profile 10",                                           &DXVA_ModeAV1_VLD_Profile1,             AV_CODEC_ID_AV1, PROF_AV1_HIGH ),
};

static const directx_va_mode_t *FindVideoServiceConversion(vlc_va_t *, const directx_sys_t *, const es_format_t *, video_format_t *fmt_out,
                                      const AVCodecContext *, const AVPixFmtDescriptor *);

static char *directx_va_GetDecoderName(const GUID *guid)
{
    for (size_t i = 0; i < ARRAY_SIZE(DXVA_MODES); i++) {
        if (IsEqualGUID(DXVA_MODES[i].guid, guid))
            return strdup(DXVA_MODES[i].name);
    }

    char *psz_name;
    if (asprintf(&psz_name, "Unknown decoder " GUID_FMT, GUID_PRINT(*guid)) < 0)
        return NULL;
    return psz_name;
}

/* */
const directx_va_mode_t *directx_va_Setup(vlc_va_t *va, const directx_sys_t *dx_sys,
                     const AVCodecContext *avctx, const AVPixFmtDescriptor *desc,
                     const es_format_t *fmt, int flag_xbox,
                     video_format_t *fmt_out, unsigned *surfaces)
{
    int surface_alignment = 16;
    unsigned surface_count = 2;

    switch ( avctx->codec_id )
    {
    case AV_CODEC_ID_MPEG2VIDEO:
        /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
           but it causes issues for H.264 on certain AMD GPUs..... */
        surface_alignment = 32;
        surface_count += 2 + 2; /* 2 for deinterlacing which can hold up to 2
                                 * pictures from the decoder for smoothing */
        break;
    case AV_CODEC_ID_HEVC:
        /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
           all coding features have enough room to work with */
           /* On the Xbox 1/S, the decoder cannot do 4K aligned to 128 but is OK with 64 */
        if (flag_xbox)
            surface_alignment = 16;
        else
            surface_alignment = 128;
        surface_count += 16;
        break;
    case AV_CODEC_ID_H264:
        surface_count += 16 + 2;
        break;
    case AV_CODEC_ID_VP9:
        surface_count += 8 + 1;
        break;
    case AV_CODEC_ID_AV1:
        surface_alignment = 128;
        surface_count += 8 + 1;
        break;
    default:
        surface_count += 2;
    }

    if ( avctx->active_thread_type & FF_THREAD_FRAME )
        surface_count += avctx->thread_count;

    if (avctx->coded_width <= 0 || avctx->coded_height <= 0)
        return NULL;

    assert((surface_alignment & (surface_alignment - 1)) == 0); /* power of 2 */

    int surface_width  = vlc_align(avctx->coded_width,  surface_alignment);
    int surface_height = vlc_align(avctx->coded_height, surface_alignment);

    if (avctx->coded_width != surface_width || avctx->coded_height != surface_height)
        msg_Warn( va, "surface dimensions (%dx%d) differ from avcodec dimensions (%dx%d)",
                  surface_width, surface_height,
                  avctx->coded_width, avctx->coded_height);

    fmt_out->i_width  = surface_width;
    fmt_out->i_height = surface_height;

    /* FIXME transmit a video_format_t by VaSetup directly */
    if (avctx->framerate.num && avctx->framerate.den &&
        (!fmt_out->i_frame_rate || !fmt_out->i_frame_rate_base))
    {
        fmt_out->i_frame_rate      = avctx->framerate.num;
        fmt_out->i_frame_rate_base = avctx->framerate.den;
    }

    /* */
    const directx_va_mode_t *res = FindVideoServiceConversion(va, dx_sys, fmt, fmt_out, avctx, desc);
    if (res == NULL) {
        msg_Err(va, "FindVideoServiceConversion failed");
        return NULL;
    }
    *surfaces = surface_count;
    return res;
}

static bool profile_supported(const directx_va_mode_t *mode, const es_format_t *fmt,
                              const AVCodecContext *avctx)
{
    if (mode->p_profiles == NULL)
        return true;

    int profile;
    if (fmt->i_profile >= 0)
        profile = fmt->i_profile;
    else if (avctx->profile != AVPROFILE(UNKNOWN))
        profile = avctx->profile;
    else
        profile = -1;
    if (mode->codec == AV_CODEC_ID_H264 && profile == -1)
    {
        uint8_t h264_profile;
        if ( h264_get_profile_level(fmt, &h264_profile, NULL, NULL) )
            profile = h264_profile;
    }
    if (mode->codec == AV_CODEC_ID_HEVC && profile == -1)
    {
        uint8_t hevc_profile;
        if (hevc_get_profile_level(fmt, &hevc_profile, NULL, NULL) )
            profile = hevc_profile;
    }

    bool is_supported = false;
    if (profile != -1)
    for (const int *p_profile = &mode->p_profiles[0]; *p_profile != AVPROFILE(UNKNOWN); ++p_profile)
    {
        if (*p_profile == profile)
        {
            is_supported = true;
            break;
        }
    }
    return is_supported;
}

/**
 * Find the best suited decoder mode GUID and render format.
 */
static const directx_va_mode_t * FindVideoServiceConversion(vlc_va_t *va, const directx_sys_t *dx_sys,
                                      const es_format_t *fmt, video_format_t *fmt_out,
                                      const AVCodecContext *avctx, const AVPixFmtDescriptor *desc)
{
    input_list_t p_list = { 0 };
    int err = dx_sys->pf_get_input_list(va, &p_list);
    if (err != VLC_SUCCESS)
        return NULL;
    if (p_list.count == 0) {
        msg_Warn( va, "No input format found for HWAccel" );
        return NULL;
    }

    const directx_va_mode_t *res = NULL;
    /* Retrieve supported modes from the decoder service */
    for (unsigned i = 0; i < p_list.count; i++) {
        const GUID *g = &p_list.list[i];
        char *psz_decoder_name = directx_va_GetDecoderName(g);
        msg_Dbg(va, "- '%s' is supported", psz_decoder_name);
        free(psz_decoder_name);
    }

    /* Try all supported mode by our priority */
    for (size_t i=0; i<ARRAY_SIZE(DXVA_MODES); ++i) {
        const directx_va_mode_t *mode = &DXVA_MODES[i];
        if (!mode->codec || mode->codec != avctx->codec_id)
            continue;

        /* */
        bool is_supported = false;
        for (const GUID *g = &p_list.list[0]; !is_supported && g < &p_list.list[p_list.count]; g++) {
            is_supported = IsEqualGUID(mode->guid, g);
        }
        if ( !is_supported )
            continue;

        int src_bit_depth = (desc && desc->nb_components) ? desc->comp[0].depth : 8;
        if (src_bit_depth != mode->bit_depth)
        {
            msg_Warn( va, "Unsupported bitdepth %d for %s ",
                    src_bit_depth, mode->name );
            continue;
        }

        if ( desc &&
             ( desc->log2_chroma_w != mode->log2_chroma_w ||
               desc->log2_chroma_h != mode->log2_chroma_h ) )
        {
            char *psz_name = directx_va_GetDecoderName(mode->guid);
            msg_Warn( va, "Unsupported %s chroma subsampling 4:%d:%d for %s ", desc->name,
                    (2-desc->log2_chroma_w)*2, (2-desc->log2_chroma_w-desc->log2_chroma_h)*2, psz_name );
            free( psz_name );
            continue;
        }

        if (!profile_supported( mode, fmt, avctx ))
        {
            msg_Warn( va, "Unsupported profile %d for %s ",
                    fmt->i_profile, mode->name );
            continue;
        }

        /* */
        msg_Dbg(va, "Trying to use '%s' as input", mode->name);
        if (dx_sys->pf_setup_output(va, mode, fmt_out)==VLC_SUCCESS)
        {
            res = mode;
            break;
        }
    }

    p_list.pf_release(&p_list);
    return res;
}
