mirror of
https://github.com/mpv-player/mpv
synced 2024-12-21 22:30:22 +00:00
d36ff64b29
The af_get_best_sample_formats() function had an argument of int[AF_FORMAT_COUNT], which is slightly incorrect, because it's 0 terminated and should in theory have AF_FORMAT_COUNT+1 entries. It won't actually write this many formats (since some formats are fundamentally incompatible), but it still feels annoying and incorrect. So fix it, and require that callers pass an AF_FORMAT_COUNT+1 array. Note that the array size has no meaning in C function arguments (just another issue with C static arrays being weird and stupid), so get rid of it completely. Not changing the af_lavcac3enc use, since that is rewritten in another branch anyway.
1022 lines
35 KiB
C
1022 lines
35 KiB
C
/*
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* This file is part of mpv.
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*
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* Original author: Jonathan Yong <10walls@gmail.com>
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <math.h>
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#include <wchar.h>
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#include <windows.h>
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#include <errors.h>
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#include <ksguid.h>
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#include <ksmedia.h>
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#include <avrt.h>
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#include "audio/format.h"
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#include "osdep/timer.h"
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#include "osdep/io.h"
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#include "osdep/strnlen.h"
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#include "ao_wasapi.h"
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#define MIXER_DEFAULT_LABEL L"mpv - video player"
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DEFINE_PROPERTYKEY(mp_PKEY_Device_FriendlyName,
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0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20,
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0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 14);
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DEFINE_PROPERTYKEY(mp_PKEY_Device_DeviceDesc,
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0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20,
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0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 2);
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// CEA 861 subformats
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// should work on vista
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DEFINE_GUID(mp_KSDATAFORMAT_SUBTYPE_IEC61937_DTS,
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0x00000008, 0x0000, 0x0010, 0x80, 0x00,
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0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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DEFINE_GUID(mp_KSDATAFORMAT_SUBTYPE_IEC61937_DOLBY_DIGITAL,
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0x00000092, 0x0000, 0x0010, 0x80, 0x00,
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0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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// might require 7+
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DEFINE_GUID(mp_KSDATAFORMAT_SUBTYPE_IEC61937_AAC,
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0x00000006, 0x0cea, 0x0010, 0x80, 0x00,
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0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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DEFINE_GUID(mp_KSDATAFORMAT_SUBTYPE_IEC61937_MPEG3,
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0x00000004, 0x0cea, 0x0010, 0x80, 0x00,
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0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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DEFINE_GUID(mp_KSDATAFORMAT_SUBTYPE_IEC61937_DOLBY_DIGITAL_PLUS,
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0x0000000a, 0x0cea, 0x0010, 0x80, 0x00,
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0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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DEFINE_GUID(mp_KSDATAFORMAT_SUBTYPE_IEC61937_DTS_HD,
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0x0000000b, 0x0cea, 0x0010, 0x80, 0x00,
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0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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DEFINE_GUID(mp_KSDATAFORMAT_SUBTYPE_IEC61937_DOLBY_MLP,
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0x0000000c, 0x0cea, 0x0010, 0x80, 0x00,
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0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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struct wasapi_sample_fmt {
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int mp_format; // AF_FORMAT_*
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int bits; // aka wBitsPerSample
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int used_msb; // aka wValidBitsPerSample
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const GUID *subtype;
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};
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// some common bit depths / container sizes (requests welcome)
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// Entries that have the same mp_format must be:
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// 1. consecutive
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// 2. sorted by preferred format (worst comes last)
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static const struct wasapi_sample_fmt wasapi_formats[] = {
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{AF_FORMAT_U8, 8, 8, &KSDATAFORMAT_SUBTYPE_PCM},
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{AF_FORMAT_S16, 16, 16, &KSDATAFORMAT_SUBTYPE_PCM},
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{AF_FORMAT_S32, 32, 32, &KSDATAFORMAT_SUBTYPE_PCM},
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// compatible, assume LSBs are ignored
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{AF_FORMAT_S32, 32, 24, &KSDATAFORMAT_SUBTYPE_PCM},
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// aka S24 (with conversion on output)
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{AF_FORMAT_S32, 24, 24, &KSDATAFORMAT_SUBTYPE_PCM},
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{AF_FORMAT_FLOAT, 32, 32, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT},
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{AF_FORMAT_S_AC3, 16, 16, &mp_KSDATAFORMAT_SUBTYPE_IEC61937_DOLBY_DIGITAL},
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{AF_FORMAT_S_DTS, 16, 16, &mp_KSDATAFORMAT_SUBTYPE_IEC61937_DTS},
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{AF_FORMAT_S_AAC, 16, 16, &mp_KSDATAFORMAT_SUBTYPE_IEC61937_AAC},
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{AF_FORMAT_S_MP3, 16, 16, &mp_KSDATAFORMAT_SUBTYPE_IEC61937_MPEG3},
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{AF_FORMAT_S_TRUEHD, 16, 16, &mp_KSDATAFORMAT_SUBTYPE_IEC61937_DOLBY_MLP},
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{AF_FORMAT_S_EAC3, 16, 16, &mp_KSDATAFORMAT_SUBTYPE_IEC61937_DOLBY_DIGITAL_PLUS},
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{AF_FORMAT_S_DTSHD, 16, 16, &mp_KSDATAFORMAT_SUBTYPE_IEC61937_DTS_HD},
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{0},
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};
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static void wasapi_get_best_sample_formats(
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int src_format, struct wasapi_sample_fmt *out_formats)
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{
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int mp_formats[AF_FORMAT_COUNT + 1];
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af_get_best_sample_formats(src_format, mp_formats);
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for (int n = 0; mp_formats[n]; n++) {
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for (int i = 0; wasapi_formats[i].mp_format; i++) {
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if (wasapi_formats[i].mp_format == mp_formats[n])
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*out_formats++ = wasapi_formats[i];
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}
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}
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*out_formats = (struct wasapi_sample_fmt) {0};
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}
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static const GUID *format_to_subtype(int format)
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{
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for (int i = 0; wasapi_formats[i].mp_format; i++) {
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if (format == wasapi_formats[i].mp_format)
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return wasapi_formats[i].subtype;
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}
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return &KSDATAFORMAT_SPECIFIER_NONE;
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}
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char *mp_PKEY_to_str_buf(char *buf, size_t buf_size, const PROPERTYKEY *pkey)
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{
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buf = mp_GUID_to_str_buf(buf, buf_size, &pkey->fmtid);
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size_t guid_len = strnlen(buf, buf_size);
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snprintf(buf + guid_len, buf_size - guid_len, ",%"PRIu32,
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(uint32_t) pkey->pid);
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return buf;
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}
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static void update_waveformat_datarate(WAVEFORMATEXTENSIBLE *wformat)
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{
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WAVEFORMATEX *wf = &wformat->Format;
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wf->nBlockAlign = wf->nChannels * wf->wBitsPerSample / 8;
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wf->nAvgBytesPerSec = wf->nSamplesPerSec * wf->nBlockAlign;
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}
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static void set_waveformat(WAVEFORMATEXTENSIBLE *wformat,
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struct wasapi_sample_fmt *format,
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DWORD samplerate, struct mp_chmap *channels)
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{
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wformat->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
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wformat->Format.nChannels = channels->num;
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wformat->Format.nSamplesPerSec = samplerate;
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wformat->Format.wBitsPerSample = format->bits;
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wformat->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
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wformat->SubFormat = *format_to_subtype(format->mp_format);
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wformat->Samples.wValidBitsPerSample = format->used_msb;
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wformat->dwChannelMask = mp_chmap_to_waveext(channels);
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update_waveformat_datarate(wformat);
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}
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// other wformat parameters must already be set with set_waveformat
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static void change_waveformat_samplerate(WAVEFORMATEXTENSIBLE *wformat,
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DWORD samplerate)
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{
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wformat->Format.nSamplesPerSec = samplerate;
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update_waveformat_datarate(wformat);
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}
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// other wformat parameters must already be set with set_waveformat
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static void change_waveformat_channels(WAVEFORMATEXTENSIBLE *wformat,
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struct mp_chmap *channels)
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{
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wformat->Format.nChannels = channels->num;
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wformat->dwChannelMask = mp_chmap_to_waveext(channels);
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update_waveformat_datarate(wformat);
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}
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static struct wasapi_sample_fmt format_from_waveformat(WAVEFORMATEX *wf)
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{
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struct wasapi_sample_fmt res = {0};
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for (int n = 0; wasapi_formats[n].mp_format; n++) {
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const struct wasapi_sample_fmt *fmt = &wasapi_formats[n];
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int valid_bits = 0;
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if (wf->wBitsPerSample != fmt->bits)
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continue;
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const GUID *wf_guid = NULL;
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switch (wf->wFormatTag) {
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case WAVE_FORMAT_EXTENSIBLE: {
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WAVEFORMATEXTENSIBLE *wformat = (WAVEFORMATEXTENSIBLE *)wf;
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wf_guid = &wformat->SubFormat;
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if (IsEqualGUID(wf_guid, &KSDATAFORMAT_SUBTYPE_PCM))
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valid_bits = wformat->Samples.wValidBitsPerSample;
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break;
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}
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case WAVE_FORMAT_PCM:
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wf_guid = &KSDATAFORMAT_SUBTYPE_PCM;
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break;
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case WAVE_FORMAT_IEEE_FLOAT:
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wf_guid = &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
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break;
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}
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if (!wf_guid || !IsEqualGUID(wf_guid, fmt->subtype))
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continue;
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res = *fmt;
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if (valid_bits > 0 && valid_bits < fmt->bits)
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res.used_msb = valid_bits;
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break;
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}
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return res;
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}
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static bool chmap_from_waveformat(struct mp_chmap *channels,
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const WAVEFORMATEX *wf)
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{
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if (wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
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WAVEFORMATEXTENSIBLE *wformat = (WAVEFORMATEXTENSIBLE *)wf;
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mp_chmap_from_waveext(channels, wformat->dwChannelMask);
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} else {
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mp_chmap_from_channels(channels, wf->nChannels);
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}
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if (channels->num != wf->nChannels) {
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mp_chmap_from_str(channels, bstr0("empty"));
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return false;
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}
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return true;
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}
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static char *waveformat_to_str_buf(char *buf, size_t buf_size, WAVEFORMATEX *wf)
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{
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struct mp_chmap channels;
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chmap_from_waveformat(&channels, wf);
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struct wasapi_sample_fmt format = format_from_waveformat(wf);
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snprintf(buf, buf_size, "%s %s (%d/%d bits) @ %uhz",
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mp_chmap_to_str(&channels),
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af_fmt_to_str(format.mp_format), format.bits, format.used_msb,
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(unsigned) wf->nSamplesPerSec);
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return buf;
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}
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#define waveformat_to_str(wf) waveformat_to_str_buf((char[64]){0}, 64, (wf))
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static void waveformat_copy(WAVEFORMATEXTENSIBLE* dst, WAVEFORMATEX* src)
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{
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if (src->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
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*dst = *(WAVEFORMATEXTENSIBLE *)src;
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} else {
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dst->Format = *src;
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}
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}
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static bool set_ao_format(struct ao *ao, WAVEFORMATEX *wf,
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AUDCLNT_SHAREMODE share_mode)
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{
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struct wasapi_state *state = ao->priv;
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struct wasapi_sample_fmt format = format_from_waveformat(wf);
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if (!format.mp_format) {
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MP_ERR(ao, "Unable to construct sample format from WAVEFORMAT %s\n",
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waveformat_to_str(wf));
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return false;
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}
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// Do not touch the ao for passthrough, just assume that we set WAVEFORMATEX
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// correctly.
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if (af_fmt_is_pcm(format.mp_format)) {
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struct mp_chmap channels;
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if (!chmap_from_waveformat(&channels, wf)) {
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MP_ERR(ao, "Unable to construct channel map from WAVEFORMAT %s\n",
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waveformat_to_str(wf));
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return false;
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}
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struct ao_convert_fmt conv = {
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.src_fmt = format.mp_format,
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.channels = channels.num,
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.dst_bits = format.bits,
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.pad_lsb = format.bits - format.used_msb,
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};
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if (!ao_can_convert_inplace(&conv)) {
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MP_ERR(ao, "Unable to convert to %s\n", waveformat_to_str(wf));
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return false;
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}
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state->convert_format = conv;
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ao->samplerate = wf->nSamplesPerSec;
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ao->format = format.mp_format;
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ao->channels = channels;
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}
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waveformat_copy(&state->format, wf);
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state->share_mode = share_mode;
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MP_VERBOSE(ao, "Accepted as %s %s @ %dhz -> %s (%s)\n",
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mp_chmap_to_str(&ao->channels),
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af_fmt_to_str(ao->format), ao->samplerate,
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waveformat_to_str(wf),
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state->share_mode == AUDCLNT_SHAREMODE_EXCLUSIVE
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? "exclusive" : "shared");
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return true;
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}
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#define mp_format_res_str(hres) \
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(SUCCEEDED(hres) ? "ok" : ((hres) == AUDCLNT_E_UNSUPPORTED_FORMAT) \
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? "unsupported" : mp_HRESULT_to_str(hres))
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static bool try_format_exclusive(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat)
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{
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struct wasapi_state *state = ao->priv;
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HRESULT hr = IAudioClient_IsFormatSupported(state->pAudioClient,
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AUDCLNT_SHAREMODE_EXCLUSIVE,
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&wformat->Format, NULL);
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MP_VERBOSE(ao, "Trying %s (exclusive) -> %s\n",
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waveformat_to_str(&wformat->Format), mp_format_res_str(hr));
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return SUCCEEDED(hr);
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}
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static bool search_sample_formats(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat,
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int samplerate, struct mp_chmap *channels)
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{
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struct wasapi_sample_fmt alt_formats[MP_ARRAY_SIZE(wasapi_formats)];
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wasapi_get_best_sample_formats(ao->format, alt_formats);
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for (int n = 0; alt_formats[n].mp_format; n++) {
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set_waveformat(wformat, &alt_formats[n], samplerate, channels);
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if (try_format_exclusive(ao, wformat))
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return true;
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}
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wformat->Format.wBitsPerSample = 0;
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return false;
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}
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static bool search_samplerates(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat,
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struct mp_chmap *channels)
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{
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// put common samplerates first so that we find format early
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int try[] = {48000, 44100, 96000, 88200, 192000, 176400,
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32000, 22050, 11025, 8000, 16000, 352800, 384000, 0};
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// get a list of supported rates
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int n = 0;
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int supported[MP_ARRAY_SIZE(try)] = {0};
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wformat->Format.wBitsPerSample = 0;
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for (int i = 0; try[i]; i++) {
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if (!wformat->Format.wBitsPerSample) {
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if (search_sample_formats(ao, wformat, try[i], channels))
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supported[n++] = try[i];
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} else {
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change_waveformat_samplerate(wformat, try[i]);
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if (try_format_exclusive(ao, wformat))
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supported[n++] = try[i];
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}
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}
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int samplerate = af_select_best_samplerate(ao->samplerate, supported);
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if (samplerate > 0) {
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change_waveformat_samplerate(wformat, samplerate);
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return true;
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}
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// otherwise, this is probably an unsupported channel map
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wformat->Format.nSamplesPerSec = 0;
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return false;
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}
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static bool search_channels(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat)
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{
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struct wasapi_state *state = ao->priv;
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struct mp_chmap_sel chmap_sel = {.tmp = state};
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struct mp_chmap entry;
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// put common layouts first so that we find sample rate/format early
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char *channel_layouts[] =
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{"stereo", "5.1", "7.1", "6.1", "mono", "2.1", "4.0", "5.0",
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"3.0", "3.0(back)",
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"quad", "quad(side)", "3.1",
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"5.0(side)", "4.1",
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"5.1(side)", "6.0", "6.0(front)", "hexagonal"
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"6.1(back)", "6.1(front)", "7.0", "7.0(front)",
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"7.1(wide)", "7.1(wide-side)", "7.1(rear)", "octagonal", NULL};
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wformat->Format.nSamplesPerSec = 0;
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for (int j = 0; channel_layouts[j]; j++) {
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mp_chmap_from_str(&entry, bstr0(channel_layouts[j]));
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if (!wformat->Format.nSamplesPerSec) {
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if (search_samplerates(ao, wformat, &entry))
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mp_chmap_sel_add_map(&chmap_sel, &entry);
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} else {
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change_waveformat_channels(wformat, &entry);
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if (try_format_exclusive(ao, wformat))
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mp_chmap_sel_add_map(&chmap_sel, &entry);
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}
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}
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entry = ao->channels;
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if (ao_chmap_sel_adjust2(ao, &chmap_sel, &entry, !state->opt_exclusive)){
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change_waveformat_channels(wformat, &entry);
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return true;
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}
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MP_ERR(ao, "No suitable audio format found\n");
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return false;
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}
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static bool find_formats_exclusive(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat)
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{
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// Try the specified format as is
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if (try_format_exclusive(ao, wformat))
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return true;
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if (af_fmt_is_spdif(ao->format)) {
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if (ao->format != AF_FORMAT_S_AC3) {
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// If the requested format failed and it is passthrough, but not
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// AC3, try lying and saying it is.
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MP_VERBOSE(ao, "Retrying as AC3.\n");
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|
wformat->SubFormat = *format_to_subtype(AF_FORMAT_S_AC3);
|
|
if (try_format_exclusive(ao, wformat))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Fallback on the PCM format search
|
|
return search_channels(ao, wformat);
|
|
}
|
|
|
|
static bool find_formats_shared(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat)
|
|
{
|
|
struct wasapi_state *state = ao->priv;
|
|
|
|
WAVEFORMATEX *closestMatch;
|
|
HRESULT hr = IAudioClient_IsFormatSupported(state->pAudioClient,
|
|
AUDCLNT_SHAREMODE_SHARED,
|
|
&wformat->Format,
|
|
&closestMatch);
|
|
MP_VERBOSE(ao, "Trying %s (shared) -> %s\n",
|
|
waveformat_to_str(&wformat->Format), mp_format_res_str(hr));
|
|
if (hr != AUDCLNT_E_UNSUPPORTED_FORMAT)
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
switch (hr) {
|
|
case S_OK:
|
|
break;
|
|
case S_FALSE:
|
|
waveformat_copy(wformat, closestMatch);
|
|
CoTaskMemFree(closestMatch);
|
|
MP_VERBOSE(ao, "Closest match is %s\n",
|
|
waveformat_to_str(&wformat->Format));
|
|
break;
|
|
default:
|
|
hr = IAudioClient_GetMixFormat(state->pAudioClient, &closestMatch);
|
|
EXIT_ON_ERROR(hr);
|
|
waveformat_copy(wformat, closestMatch);
|
|
MP_VERBOSE(ao, "Fallback to mix format %s\n",
|
|
waveformat_to_str(&wformat->Format));
|
|
CoTaskMemFree(closestMatch);
|
|
}
|
|
|
|
return true;
|
|
exit_label:
|
|
MP_ERR(state, "Error finding shared mode format: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
return false;
|
|
}
|
|
|
|
static bool find_formats(struct ao *ao)
|
|
{
|
|
struct wasapi_state *state = ao->priv;
|
|
struct mp_chmap channels = ao->channels;
|
|
|
|
if (mp_chmap_is_unknown(&channels))
|
|
mp_chmap_from_channels(&channels, channels.num);
|
|
mp_chmap_reorder_to_waveext(&channels);
|
|
if (!mp_chmap_is_valid(&channels))
|
|
mp_chmap_from_channels(&channels, 2);
|
|
|
|
struct wasapi_sample_fmt alt_formats[MP_ARRAY_SIZE(wasapi_formats)];
|
|
wasapi_get_best_sample_formats(ao->format, alt_formats);
|
|
struct wasapi_sample_fmt wasapi_format =
|
|
{AF_FORMAT_S16, 16, 16, &KSDATAFORMAT_SUBTYPE_PCM};;
|
|
if (alt_formats[0].mp_format)
|
|
wasapi_format = alt_formats[0];
|
|
|
|
AUDCLNT_SHAREMODE share_mode;
|
|
WAVEFORMATEXTENSIBLE wformat;
|
|
set_waveformat(&wformat, &wasapi_format, ao->samplerate, &channels);
|
|
|
|
if (state->opt_exclusive || af_fmt_is_spdif(ao->format)) {
|
|
share_mode = AUDCLNT_SHAREMODE_EXCLUSIVE;
|
|
if(!find_formats_exclusive(ao, &wformat))
|
|
return false;
|
|
} else {
|
|
share_mode = AUDCLNT_SHAREMODE_SHARED;
|
|
if(!find_formats_shared(ao, &wformat))
|
|
return false;
|
|
}
|
|
|
|
return set_ao_format(ao, &wformat.Format, share_mode);
|
|
}
|
|
|
|
static HRESULT init_clock(struct wasapi_state *state) {
|
|
HRESULT hr = IAudioClient_GetService(state->pAudioClient,
|
|
&IID_IAudioClock,
|
|
(void **)&state->pAudioClock);
|
|
EXIT_ON_ERROR(hr);
|
|
hr = IAudioClock_GetFrequency(state->pAudioClock, &state->clock_frequency);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
QueryPerformanceFrequency(&state->qpc_frequency);
|
|
|
|
atomic_store(&state->sample_count, 0);
|
|
|
|
MP_VERBOSE(state,
|
|
"IAudioClock::GetFrequency gave a frequency of %"PRIu64".\n",
|
|
(uint64_t) state->clock_frequency);
|
|
|
|
return S_OK;
|
|
exit_label:
|
|
MP_ERR(state, "Error obtaining the audio device's timing: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
return hr;
|
|
}
|
|
|
|
static void init_session_display(struct wasapi_state *state) {
|
|
HRESULT hr = IAudioClient_GetService(state->pAudioClient,
|
|
&IID_IAudioSessionControl,
|
|
(void **)&state->pSessionControl);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
wchar_t path[MAX_PATH+12] = {0};
|
|
GetModuleFileNameW(NULL, path, MAX_PATH);
|
|
wcscat(path, L",-IDI_ICON1");
|
|
hr = IAudioSessionControl_SetIconPath(state->pSessionControl, path, NULL);
|
|
if (FAILED(hr)) {
|
|
// don't goto exit_label here since SetDisplayName might still work
|
|
MP_WARN(state, "Error setting audio session icon: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
}
|
|
|
|
hr = IAudioSessionControl_SetDisplayName(state->pSessionControl,
|
|
MIXER_DEFAULT_LABEL, NULL);
|
|
EXIT_ON_ERROR(hr);
|
|
return;
|
|
exit_label:
|
|
// if we got here then the session control is useless - release it
|
|
SAFE_RELEASE(state->pSessionControl);
|
|
MP_WARN(state, "Error setting audio session display name: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
return;
|
|
}
|
|
|
|
static void init_volume_control(struct wasapi_state *state)
|
|
{
|
|
HRESULT hr;
|
|
if (state->share_mode == AUDCLNT_SHAREMODE_EXCLUSIVE) {
|
|
MP_DBG(state, "Activating pEndpointVolume interface\n");
|
|
hr = IMMDeviceActivator_Activate(state->pDevice,
|
|
&IID_IAudioEndpointVolume,
|
|
CLSCTX_ALL, NULL,
|
|
(void **)&state->pEndpointVolume);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
MP_DBG(state, "IAudioEndpointVolume::QueryHardwareSupport\n");
|
|
hr = IAudioEndpointVolume_QueryHardwareSupport(state->pEndpointVolume,
|
|
&state->vol_hw_support);
|
|
EXIT_ON_ERROR(hr);
|
|
} else {
|
|
MP_DBG(state, "IAudioClient::Initialize pAudioVolume\n");
|
|
hr = IAudioClient_GetService(state->pAudioClient,
|
|
&IID_ISimpleAudioVolume,
|
|
(void **)&state->pAudioVolume);
|
|
EXIT_ON_ERROR(hr);
|
|
}
|
|
return;
|
|
exit_label:
|
|
state->vol_hw_support = 0;
|
|
SAFE_RELEASE(state->pEndpointVolume);
|
|
SAFE_RELEASE(state->pAudioVolume);
|
|
MP_WARN(state, "Error setting up volume control: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
}
|
|
|
|
static HRESULT fix_format(struct ao *ao, bool align_hack)
|
|
{
|
|
struct wasapi_state *state = ao->priv;
|
|
|
|
MP_DBG(state, "IAudioClient::GetDevicePeriod\n");
|
|
REFERENCE_TIME devicePeriod;
|
|
HRESULT hr = IAudioClient_GetDevicePeriod(state->pAudioClient,&devicePeriod,
|
|
NULL);
|
|
MP_VERBOSE(state, "Device period: %.2g ms\n",
|
|
(double) devicePeriod / 10000.0 );
|
|
|
|
REFERENCE_TIME bufferDuration = devicePeriod;
|
|
if (state->share_mode == AUDCLNT_SHAREMODE_SHARED) {
|
|
// for shared mode, use integer multiple of device period close to 50ms
|
|
bufferDuration = devicePeriod * ceil(50.0 * 10000.0 / devicePeriod);
|
|
}
|
|
|
|
// handle unsupported buffer size if AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED was
|
|
// returned in a previous attempt. hopefully this shouldn't happen because
|
|
// of the above integer device period
|
|
// http://msdn.microsoft.com/en-us/library/windows/desktop/dd370875%28v=vs.85%29.aspx
|
|
if (align_hack) {
|
|
bufferDuration = (REFERENCE_TIME) (0.5 +
|
|
(10000.0 * 1000 / state->format.Format.nSamplesPerSec
|
|
* state->bufferFrameCount));
|
|
}
|
|
|
|
REFERENCE_TIME bufferPeriod =
|
|
state->share_mode == AUDCLNT_SHAREMODE_EXCLUSIVE ? bufferDuration : 0;
|
|
|
|
MP_DBG(state, "IAudioClient::Initialize\n");
|
|
hr = IAudioClient_Initialize(state->pAudioClient,
|
|
state->share_mode,
|
|
AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
|
|
bufferDuration,
|
|
bufferPeriod,
|
|
&(state->format.Format),
|
|
NULL);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
MP_DBG(state, "IAudioClient::Initialize pRenderClient\n");
|
|
hr = IAudioClient_GetService(state->pAudioClient,
|
|
&IID_IAudioRenderClient,
|
|
(void **)&state->pRenderClient);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
MP_DBG(state, "IAudioClient::Initialize IAudioClient_SetEventHandle\n");
|
|
hr = IAudioClient_SetEventHandle(state->pAudioClient, state->hWake);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
MP_DBG(state, "IAudioClient::Initialize IAudioClient_GetBufferSize\n");
|
|
hr = IAudioClient_GetBufferSize(state->pAudioClient,
|
|
&state->bufferFrameCount);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
ao->device_buffer = state->bufferFrameCount;
|
|
bufferDuration = (REFERENCE_TIME) (0.5 +
|
|
(10000.0 * 1000 / state->format.Format.nSamplesPerSec
|
|
* state->bufferFrameCount));
|
|
MP_VERBOSE(state, "Buffer frame count: %"PRIu32" (%.2g ms)\n",
|
|
state->bufferFrameCount, (double) bufferDuration / 10000.0 );
|
|
|
|
hr = init_clock(state);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
init_session_display(state);
|
|
init_volume_control(state);
|
|
|
|
#if !HAVE_UWP
|
|
state->hTask = AvSetMmThreadCharacteristics(L"Pro Audio", &(DWORD){0});
|
|
if (!state->hTask) {
|
|
MP_WARN(state, "Failed to set AV thread to Pro Audio: %s\n",
|
|
mp_LastError_to_str());
|
|
}
|
|
#endif
|
|
|
|
return S_OK;
|
|
exit_label:
|
|
MP_ERR(state, "Error initializing device: %s\n", mp_HRESULT_to_str(hr));
|
|
return hr;
|
|
}
|
|
|
|
struct device_desc {
|
|
LPWSTR deviceID;
|
|
char *id;
|
|
char *name;
|
|
};
|
|
|
|
static char* get_device_name(struct mp_log *l, void *talloc_ctx, IMMDevice *pDevice)
|
|
{
|
|
char *namestr = NULL;
|
|
IPropertyStore *pProps = NULL;
|
|
PROPVARIANT devname;
|
|
PropVariantInit(&devname);
|
|
|
|
HRESULT hr = IMMDevice_OpenPropertyStore(pDevice, STGM_READ, &pProps);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
hr = IPropertyStore_GetValue(pProps, &mp_PKEY_Device_FriendlyName,
|
|
&devname);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
namestr = mp_to_utf8(talloc_ctx, devname.pwszVal);
|
|
|
|
exit_label:
|
|
if (FAILED(hr))
|
|
mp_warn(l, "Failed getting device name: %s\n", mp_HRESULT_to_str(hr));
|
|
PropVariantClear(&devname);
|
|
SAFE_RELEASE(pProps);
|
|
return namestr ? namestr : talloc_strdup(talloc_ctx, "");
|
|
}
|
|
|
|
static struct device_desc *get_device_desc(struct mp_log *l, IMMDevice *pDevice)
|
|
{
|
|
LPWSTR deviceID;
|
|
HRESULT hr = IMMDevice_GetId(pDevice, &deviceID);
|
|
if (FAILED(hr)) {
|
|
mp_err(l, "Failed getting device id: %s\n", mp_HRESULT_to_str(hr));
|
|
return NULL;
|
|
}
|
|
struct device_desc *d = talloc_zero(NULL, struct device_desc);
|
|
d->deviceID = talloc_memdup(d, deviceID,
|
|
(wcslen(deviceID) + 1) * sizeof(wchar_t));
|
|
SAFE_DESTROY(deviceID, CoTaskMemFree(deviceID));
|
|
|
|
char *full_id = mp_to_utf8(NULL, d->deviceID);
|
|
bstr id = bstr0(full_id);
|
|
bstr_eatstart0(&id, "{0.0.0.00000000}.");
|
|
d->id = bstrdup0(d, id);
|
|
talloc_free(full_id);
|
|
|
|
d->name = get_device_name(l, d, pDevice);
|
|
return d;
|
|
}
|
|
|
|
struct enumerator {
|
|
struct mp_log *log;
|
|
IMMDeviceEnumerator *pEnumerator;
|
|
IMMDeviceCollection *pDevices;
|
|
UINT count;
|
|
};
|
|
|
|
static void destroy_enumerator(struct enumerator *e)
|
|
{
|
|
if (!e)
|
|
return;
|
|
SAFE_RELEASE(e->pDevices);
|
|
SAFE_RELEASE(e->pEnumerator);
|
|
talloc_free(e);
|
|
}
|
|
|
|
static struct enumerator *create_enumerator(struct mp_log *log)
|
|
{
|
|
struct enumerator *e = talloc_zero(NULL, struct enumerator);
|
|
e->log = log;
|
|
HRESULT hr = CoCreateInstance(
|
|
&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, &IID_IMMDeviceEnumerator,
|
|
(void **)&e->pEnumerator);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
hr = IMMDeviceEnumerator_EnumAudioEndpoints(
|
|
e->pEnumerator, eRender, DEVICE_STATE_ACTIVE, &e->pDevices);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
hr = IMMDeviceCollection_GetCount(e->pDevices, &e->count);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
return e;
|
|
exit_label:
|
|
mp_err(log, "Error getting device enumerator: %s\n", mp_HRESULT_to_str(hr));
|
|
destroy_enumerator(e);
|
|
return NULL;
|
|
}
|
|
|
|
static struct device_desc *device_desc_for_num(struct enumerator *e, UINT i)
|
|
{
|
|
IMMDevice *pDevice = NULL;
|
|
HRESULT hr = IMMDeviceCollection_Item(e->pDevices, i, &pDevice);
|
|
if (FAILED(hr)) {
|
|
MP_ERR(e, "Failed getting device #%d: %s\n", i, mp_HRESULT_to_str(hr));
|
|
return NULL;
|
|
}
|
|
struct device_desc *d = get_device_desc(e->log, pDevice);
|
|
SAFE_RELEASE(pDevice);
|
|
return d;
|
|
}
|
|
|
|
static struct device_desc *default_device_desc(struct enumerator *e)
|
|
{
|
|
IMMDevice *pDevice = NULL;
|
|
HRESULT hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(
|
|
e->pEnumerator, eRender, eMultimedia, &pDevice);
|
|
if (FAILED(hr)) {
|
|
MP_ERR(e, "Error from GetDefaultAudioEndpoint: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
return NULL;
|
|
}
|
|
struct device_desc *d = get_device_desc(e->log, pDevice);
|
|
SAFE_RELEASE(pDevice);
|
|
return d;
|
|
}
|
|
|
|
void wasapi_list_devs(struct ao *ao, struct ao_device_list *list)
|
|
{
|
|
struct enumerator *enumerator = create_enumerator(ao->log);
|
|
if (!enumerator)
|
|
return;
|
|
|
|
for (UINT i = 0; i < enumerator->count; i++) {
|
|
struct device_desc *d = device_desc_for_num(enumerator, i);
|
|
if (!d)
|
|
goto exit_label;
|
|
ao_device_list_add(list, ao, &(struct ao_device_desc){d->id, d->name});
|
|
talloc_free(d);
|
|
}
|
|
|
|
exit_label:
|
|
destroy_enumerator(enumerator);
|
|
}
|
|
|
|
static bool load_device(struct mp_log *l,
|
|
IMMDevice **ppDevice, LPWSTR deviceID)
|
|
{
|
|
IMMDeviceEnumerator *pEnumerator = NULL;
|
|
HRESULT hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL,
|
|
&IID_IMMDeviceEnumerator,
|
|
(void **)&pEnumerator);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
hr = IMMDeviceEnumerator_GetDevice(pEnumerator, deviceID, ppDevice);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
exit_label:
|
|
if (FAILED(hr))
|
|
mp_err(l, "Error loading selected device: %s\n", mp_HRESULT_to_str(hr));
|
|
SAFE_RELEASE(pEnumerator);
|
|
return SUCCEEDED(hr);
|
|
}
|
|
|
|
static LPWSTR select_device(struct mp_log *l, struct device_desc *d)
|
|
{
|
|
if (!d)
|
|
return NULL;
|
|
mp_verbose(l, "Selecting device \'%s\' (%s)\n", d->id, d->name);
|
|
return talloc_memdup(NULL, d->deviceID,
|
|
(wcslen(d->deviceID) + 1) * sizeof(wchar_t));
|
|
}
|
|
|
|
bstr wasapi_get_specified_device_string(struct ao *ao)
|
|
{
|
|
return bstr_strip(bstr0(ao->device));
|
|
}
|
|
|
|
LPWSTR wasapi_find_deviceID(struct ao *ao)
|
|
{
|
|
LPWSTR deviceID = NULL;
|
|
bstr device = wasapi_get_specified_device_string(ao);
|
|
MP_DBG(ao, "Find device \'%.*s\'\n", BSTR_P(device));
|
|
|
|
struct device_desc *d = NULL;
|
|
struct enumerator *enumerator = create_enumerator(ao->log);
|
|
if (!enumerator)
|
|
goto exit_label;
|
|
|
|
if (!enumerator->count) {
|
|
MP_ERR(ao, "There are no playback devices available\n");
|
|
goto exit_label;
|
|
}
|
|
|
|
if (!device.len) {
|
|
MP_VERBOSE(ao, "No device specified. Selecting default.\n");
|
|
d = default_device_desc(enumerator);
|
|
deviceID = select_device(ao->log, d);
|
|
goto exit_label;
|
|
}
|
|
|
|
// try selecting by number
|
|
bstr rest;
|
|
long long devno = bstrtoll(device, &rest, 10);
|
|
if (!rest.len && 0 <= devno && devno < (long long)enumerator->count) {
|
|
MP_VERBOSE(ao, "Selecting device by number: #%lld\n", devno);
|
|
d = device_desc_for_num(enumerator, devno);
|
|
deviceID = select_device(ao->log, d);
|
|
goto exit_label;
|
|
}
|
|
|
|
// select by id or name
|
|
bstr_eatstart0(&device, "{0.0.0.00000000}.");
|
|
for (UINT i = 0; i < enumerator->count; i++) {
|
|
d = device_desc_for_num(enumerator, i);
|
|
if (!d)
|
|
goto exit_label;
|
|
|
|
if (bstrcmp(device, bstr_strip(bstr0(d->id))) == 0) {
|
|
MP_VERBOSE(ao, "Selecting device by id: \'%.*s\'\n", BSTR_P(device));
|
|
deviceID = select_device(ao->log, d);
|
|
goto exit_label;
|
|
}
|
|
|
|
if (bstrcmp(device, bstr_strip(bstr0(d->name))) == 0) {
|
|
if (!deviceID) {
|
|
MP_VERBOSE(ao, "Selecting device by name: \'%.*s\'\n", BSTR_P(device));
|
|
deviceID = select_device(ao->log, d);
|
|
} else {
|
|
MP_WARN(ao, "Multiple devices matched \'%.*s\'."
|
|
"Ignoring device \'%s\' (%s).\n",
|
|
BSTR_P(device), d->id, d->name);
|
|
}
|
|
}
|
|
SAFE_DESTROY(d, talloc_free(d));
|
|
}
|
|
|
|
if (!deviceID)
|
|
MP_ERR(ao, "Failed to find device \'%.*s\'\n", BSTR_P(device));
|
|
|
|
exit_label:
|
|
talloc_free(d);
|
|
destroy_enumerator(enumerator);
|
|
return deviceID;
|
|
}
|
|
|
|
bool wasapi_thread_init(struct ao *ao)
|
|
{
|
|
struct wasapi_state *state = ao->priv;
|
|
MP_DBG(ao, "Init wasapi thread\n");
|
|
int64_t retry_wait = 1;
|
|
bool align_hack = false;
|
|
HRESULT hr;
|
|
|
|
ao->format = af_fmt_from_planar(ao->format);
|
|
|
|
retry:
|
|
if (state->deviceID) {
|
|
if (!load_device(ao->log, &state->pDevice, state->deviceID))
|
|
return false;
|
|
|
|
MP_DBG(ao, "Activating pAudioClient interface\n");
|
|
hr = IMMDeviceActivator_Activate(state->pDevice, &IID_IAudioClient,
|
|
CLSCTX_ALL, NULL,
|
|
(void **)&state->pAudioClient);
|
|
if (FAILED(hr)) {
|
|
MP_FATAL(ao, "Error activating device: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
return false;
|
|
}
|
|
} else {
|
|
MP_VERBOSE(ao, "Trying UWP wrapper.\n");
|
|
|
|
HRESULT (*wuCreateDefaultAudioRenderer)(IUnknown **res) = NULL;
|
|
HANDLE lib = LoadLibraryW(L"wasapiuwp2.dll");
|
|
if (!lib) {
|
|
MP_ERR(ao, "Wrapper not found: %d\n", (int)GetLastError());
|
|
return false;
|
|
}
|
|
|
|
wuCreateDefaultAudioRenderer =
|
|
(void*)GetProcAddress(lib, "wuCreateDefaultAudioRenderer");
|
|
if (!wuCreateDefaultAudioRenderer) {
|
|
MP_ERR(ao, "Function not found.\n");
|
|
return false;
|
|
}
|
|
IUnknown *res = NULL;
|
|
hr = wuCreateDefaultAudioRenderer(&res);
|
|
MP_VERBOSE(ao, "Device: %s %p\n", mp_HRESULT_to_str(hr), res);
|
|
if (FAILED(hr)) {
|
|
MP_FATAL(ao, "Error activating device: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
return false;
|
|
}
|
|
hr = IUnknown_QueryInterface(res, &IID_IAudioClient,
|
|
(void **)&state->pAudioClient);
|
|
IUnknown_Release(res);
|
|
if (FAILED(hr)) {
|
|
MP_FATAL(ao, "Failed to get UWP audio client: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// In the event of an align hack, we've already done this.
|
|
if (!align_hack) {
|
|
MP_DBG(ao, "Probing formats\n");
|
|
if (!find_formats(ao))
|
|
return false;
|
|
}
|
|
|
|
MP_DBG(ao, "Fixing format\n");
|
|
hr = fix_format(ao, align_hack);
|
|
switch (hr) {
|
|
case AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED:
|
|
if (align_hack) {
|
|
MP_FATAL(ao, "Align hack failed\n");
|
|
break;
|
|
}
|
|
// According to MSDN, we must use this as base after the failure.
|
|
hr = IAudioClient_GetBufferSize(state->pAudioClient,
|
|
&state->bufferFrameCount);
|
|
if (FAILED(hr)) {
|
|
MP_FATAL(ao, "Error getting buffer size for align hack: %s\n",
|
|
mp_HRESULT_to_str(hr));
|
|
return false;
|
|
}
|
|
wasapi_thread_uninit(ao);
|
|
align_hack = true;
|
|
MP_WARN(ao, "This appears to require a weird Windows 7 hack. Retrying.\n");
|
|
goto retry;
|
|
case AUDCLNT_E_DEVICE_IN_USE:
|
|
case AUDCLNT_E_DEVICE_INVALIDATED:
|
|
if (retry_wait > 8) {
|
|
MP_FATAL(ao, "Bad device retry failed\n");
|
|
return false;
|
|
}
|
|
wasapi_thread_uninit(ao);
|
|
MP_WARN(ao, "Retrying in %"PRId64" us\n", retry_wait);
|
|
mp_sleep_us(retry_wait);
|
|
retry_wait *= 2;
|
|
goto retry;
|
|
}
|
|
return SUCCEEDED(hr);
|
|
}
|
|
|
|
void wasapi_thread_uninit(struct ao *ao)
|
|
{
|
|
struct wasapi_state *state = ao->priv;
|
|
MP_DBG(ao, "Thread shutdown\n");
|
|
|
|
if (state->pAudioClient)
|
|
IAudioClient_Stop(state->pAudioClient);
|
|
|
|
SAFE_RELEASE(state->pRenderClient);
|
|
SAFE_RELEASE(state->pAudioClock);
|
|
SAFE_RELEASE(state->pAudioVolume);
|
|
SAFE_RELEASE(state->pEndpointVolume);
|
|
SAFE_RELEASE(state->pSessionControl);
|
|
SAFE_RELEASE(state->pAudioClient);
|
|
SAFE_RELEASE(state->pDevice);
|
|
#if !HAVE_UWP
|
|
SAFE_DESTROY(state->hTask, AvRevertMmThreadCharacteristics(state->hTask));
|
|
#endif
|
|
MP_DBG(ao, "Thread uninit done\n");
|
|
}
|