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Diffstat (limited to 'libao2/ao_win32.c')
| -rw-r--r-- | libao2/ao_win32.c | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/libao2/ao_win32.c b/libao2/ao_win32.c deleted file mode 100644 index 55ed17b457..0000000000 --- a/libao2/ao_win32.c +++ /dev/null @@ -1,326 +0,0 @@ -/* - * Windows waveOut interface - * - * Copyright (c) 2002 - 2004 Sascha Sommer <saschasommer@freenet.de> - * - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <windows.h> -#include <mmsystem.h> - -#include "config.h" -#include "libaf/af_format.h" -#include "audio_out.h" -#include "audio_out_internal.h" -#include "mp_msg.h" -#include "libvo/fastmemcpy.h" -#include "osdep/timer.h" - -#define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092 -#define WAVE_FORMAT_EXTENSIBLE 0xFFFE - -static const GUID KSDATAFORMAT_SUBTYPE_PCM = { - 0x1,0x0000,0x0010,{0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71} -}; - -typedef struct { - WAVEFORMATEX Format; - union { - WORD wValidBitsPerSample; - WORD wSamplesPerBlock; - WORD wReserved; - } Samples; - DWORD dwChannelMask; - GUID SubFormat; -} WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE; - -#define SPEAKER_FRONT_LEFT 0x1 -#define SPEAKER_FRONT_RIGHT 0x2 -#define SPEAKER_FRONT_CENTER 0x4 -#define SPEAKER_LOW_FREQUENCY 0x8 -#define SPEAKER_BACK_LEFT 0x10 -#define SPEAKER_BACK_RIGHT 0x20 -#define SPEAKER_FRONT_LEFT_OF_CENTER 0x40 -#define SPEAKER_FRONT_RIGHT_OF_CENTER 0x80 -#define SPEAKER_BACK_CENTER 0x100 -#define SPEAKER_SIDE_LEFT 0x200 -#define SPEAKER_SIDE_RIGHT 0x400 -#define SPEAKER_TOP_CENTER 0x800 -#define SPEAKER_TOP_FRONT_LEFT 0x1000 -#define SPEAKER_TOP_FRONT_CENTER 0x2000 -#define SPEAKER_TOP_FRONT_RIGHT 0x4000 -#define SPEAKER_TOP_BACK_LEFT 0x8000 -#define SPEAKER_TOP_BACK_CENTER 0x10000 -#define SPEAKER_TOP_BACK_RIGHT 0x20000 - -static const int channel_mask[] = { - SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_LOW_FREQUENCY, - SPEAKER_FRONT_LEFT | SPEAKER_FRONT_CENTER | SPEAKER_FRONT_RIGHT | SPEAKER_LOW_FREQUENCY, - SPEAKER_FRONT_LEFT | SPEAKER_FRONT_CENTER | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_CENTER | SPEAKER_LOW_FREQUENCY, - SPEAKER_FRONT_LEFT | SPEAKER_FRONT_CENTER | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY -}; - - - -#define SAMPLESIZE 1024 -#define BUFFER_SIZE 4096 -#define BUFFER_COUNT 16 - - -static WAVEHDR* waveBlocks; //pointer to our ringbuffer memory -static HWAVEOUT hWaveOut; //handle to the waveout device -static unsigned int buf_write=0; -static volatile int buf_read=0; - - -static const ao_info_t info = -{ - "Windows waveOut audio output", - "win32", - "Sascha Sommer <saschasommer@freenet.de>", - "" -}; - -LIBAO_EXTERN(win32) - -static void CALLBACK waveOutProc(HWAVEOUT hWaveOut,UINT uMsg,DWORD dwInstance, - DWORD dwParam1,DWORD dwParam2) -{ - if(uMsg != WOM_DONE) - return; - buf_read = (buf_read + 1) % BUFFER_COUNT; -} - -// to set/get/query special features/parameters -static int control(int cmd,void *arg) -{ - DWORD volume; - switch (cmd) - { - case AOCONTROL_GET_VOLUME: - { - ao_control_vol_t* vol = (ao_control_vol_t*)arg; - waveOutGetVolume(hWaveOut,&volume); - vol->left = (float)(LOWORD(volume)/655.35); - vol->right = (float)(HIWORD(volume)/655.35); - mp_msg(MSGT_AO, MSGL_DBG2,"ao_win32: volume left:%f volume right:%f\n",vol->left,vol->right); - return CONTROL_OK; - } - case AOCONTROL_SET_VOLUME: - { - ao_control_vol_t* vol = (ao_control_vol_t*)arg; - volume = MAKELONG(vol->left*655.35,vol->right*655.35); - waveOutSetVolume(hWaveOut,volume); - return CONTROL_OK; - } - } - return -1; -} - -// open & setup audio device -// return: 1=success 0=fail -static int init(int rate,int channels,int format,int flags) -{ - WAVEFORMATEXTENSIBLE wformat; - MMRESULT result; - unsigned char* buffer; - int i; - - if (AF_FORMAT_IS_AC3(format)) - format = AF_FORMAT_AC3_NE; - switch(format){ - case AF_FORMAT_AC3_NE: - case AF_FORMAT_S24_LE: - case AF_FORMAT_S16_LE: - case AF_FORMAT_U8: - break; - default: - mp_msg(MSGT_AO, MSGL_V,"ao_win32: format %s not supported defaulting to Signed 16-bit Little-Endian\n",af_fmt2str_short(format)); - format=AF_FORMAT_S16_LE; - } - - // FIXME multichannel mode is buggy - if(channels > 2) - channels = 2; - - //fill global ao_data - ao_data.channels=channels; - ao_data.samplerate=rate; - ao_data.format=format; - ao_data.bps=channels*rate; - if(format != AF_FORMAT_U8 && format != AF_FORMAT_S8) - ao_data.bps*=2; - ao_data.outburst = BUFFER_SIZE; - if(ao_data.buffersize==-1) - { - ao_data.buffersize=af_fmt2bits(format)/8; - ao_data.buffersize*= channels; - ao_data.buffersize*= SAMPLESIZE; - } - mp_msg(MSGT_AO, MSGL_V,"ao_win32: Samplerate:%iHz Channels:%i Format:%s\n",rate, channels, af_fmt2str_short(format)); - mp_msg(MSGT_AO, MSGL_V,"ao_win32: Buffersize:%d\n",ao_data.buffersize); - - //fill waveformatex - ZeroMemory( &wformat, sizeof(WAVEFORMATEXTENSIBLE)); - wformat.Format.cbSize = (channels>2)?sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX):0; - wformat.Format.nChannels = channels; - wformat.Format.nSamplesPerSec = rate; - if(AF_FORMAT_IS_AC3(format)) - { - wformat.Format.wFormatTag = WAVE_FORMAT_DOLBY_AC3_SPDIF; - wformat.Format.wBitsPerSample = 16; - wformat.Format.nBlockAlign = 4; - } - else - { - wformat.Format.wFormatTag = (channels>2)?WAVE_FORMAT_EXTENSIBLE:WAVE_FORMAT_PCM; - wformat.Format.wBitsPerSample = af_fmt2bits(format); - wformat.Format.nBlockAlign = wformat.Format.nChannels * (wformat.Format.wBitsPerSample >> 3); - } - if(channels>2) - { - wformat.dwChannelMask = channel_mask[channels-3]; - wformat.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - wformat.Samples.wValidBitsPerSample=af_fmt2bits(format); - } - - wformat.Format.nAvgBytesPerSec = wformat.Format.nSamplesPerSec * wformat.Format.nBlockAlign; - - //open sound device - //WAVE_MAPPER always points to the default wave device on the system - result = waveOutOpen(&hWaveOut,WAVE_MAPPER,(WAVEFORMATEX*)&wformat,(DWORD_PTR)waveOutProc,0,CALLBACK_FUNCTION); - if(result == WAVERR_BADFORMAT) - { - mp_msg(MSGT_AO, MSGL_ERR,"ao_win32: format not supported switching to default\n"); - ao_data.channels = wformat.Format.nChannels = 2; - ao_data.samplerate = wformat.Format.nSamplesPerSec = 44100; - ao_data.format = AF_FORMAT_S16_LE; - ao_data.bps=ao_data.channels * ao_data.samplerate*2; - wformat.Format.wBitsPerSample=16; - wformat.Format.wFormatTag=WAVE_FORMAT_PCM; - wformat.Format.nBlockAlign = wformat.Format.nChannels * (wformat.Format.wBitsPerSample >> 3); - wformat.Format.nAvgBytesPerSec = wformat.Format.nSamplesPerSec * wformat.Format.nBlockAlign; - ao_data.buffersize=(wformat.Format.wBitsPerSample>>3)*wformat.Format.nChannels*SAMPLESIZE; - result = waveOutOpen(&hWaveOut,WAVE_MAPPER,(WAVEFORMATEX*)&wformat,(DWORD_PTR)waveOutProc,0,CALLBACK_FUNCTION); - } - if(result != MMSYSERR_NOERROR) - { - mp_msg(MSGT_AO, MSGL_ERR,"ao_win32: unable to open wave mapper device (result=%i)\n",result); - return 0; - } - //allocate buffer memory as one big block - buffer = calloc(BUFFER_COUNT, BUFFER_SIZE + sizeof(WAVEHDR)); - //and setup pointers to each buffer - waveBlocks = (WAVEHDR*)buffer; - buffer += sizeof(WAVEHDR) * BUFFER_COUNT; - for(i = 0; i < BUFFER_COUNT; i++) { - waveBlocks[i].lpData = buffer; - buffer += BUFFER_SIZE; - } - buf_write=0; - buf_read=0; - - return 1; -} - -// close audio device -static void uninit(int immed) -{ - if(!immed) - usec_sleep(get_delay() * 1000 * 1000); - else - waveOutReset(hWaveOut); - while (waveOutClose(hWaveOut) == WAVERR_STILLPLAYING) usec_sleep(0); - mp_msg(MSGT_AO, MSGL_V,"waveOut device closed\n"); - free(waveBlocks); - mp_msg(MSGT_AO, MSGL_V,"buffer memory freed\n"); -} - -// stop playing and empty buffers (for seeking/pause) -static void reset(void) -{ - waveOutReset(hWaveOut); - buf_write=0; - buf_read=0; -} - -// stop playing, keep buffers (for pause) -static void audio_pause(void) -{ - waveOutPause(hWaveOut); -} - -// resume playing, after audio_pause() -static void audio_resume(void) -{ - waveOutRestart(hWaveOut); -} - -// return: how many bytes can be played without blocking -static int get_space(void) -{ - int free = buf_read - buf_write - 1; - if (free < 0) free += BUFFER_COUNT; - return free * BUFFER_SIZE; -} - -//writes data into buffer, based on ringbuffer code in ao_sdl.c -static int write_waveOutBuffer(unsigned char* data,int len){ - WAVEHDR* current; - int len2=0; - int x; - while(len>0){ - int buf_next = (buf_write + 1) % BUFFER_COUNT; - current = &waveBlocks[buf_write]; - if(buf_next == buf_read) break; - //unprepare the header if it is prepared - if(current->dwFlags & WHDR_PREPARED) - waveOutUnprepareHeader(hWaveOut, current, sizeof(WAVEHDR)); - x=BUFFER_SIZE; - if(x>len) x=len; - fast_memcpy(current->lpData,data+len2,x); - len2+=x; len-=x; - //prepare header and write data to device - current->dwBufferLength = x; - waveOutPrepareHeader(hWaveOut, current, sizeof(WAVEHDR)); - waveOutWrite(hWaveOut, current, sizeof(WAVEHDR)); - - buf_write = buf_next; - } - return len2; -} - -// plays 'len' bytes of 'data' -// it should round it down to outburst*n -// return: number of bytes played -static int play(void* data,int len,int flags) -{ - if (!(flags & AOPLAY_FINAL_CHUNK)) - len = (len/ao_data.outburst)*ao_data.outburst; - return write_waveOutBuffer(data,len); -} - -// return: delay in seconds between first and last sample in buffer -static float get_delay(void) -{ - int used = buf_write - buf_read; - if (used < 0) used += BUFFER_COUNT; - return (float)(used * BUFFER_SIZE + ao_data.buffersize)/(float)ao_data.bps; -} |