X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=plugins%2Fesd%2Faout_esd.c;fp=plugins%2Fesd%2Faout_esd.c;h=0000000000000000000000000000000000000000;hb=9e3ab283c258cba17e4ca6730d84f9d00d49b068;hp=014a20385d3a423a106851ecc742c998855caee6;hpb=36c0b1516d274aec95ed0cf13fc2996dc7e53e3b;p=vlc diff --git a/plugins/esd/aout_esd.c b/plugins/esd/aout_esd.c deleted file mode 100644 index 014a20385d..0000000000 --- a/plugins/esd/aout_esd.c +++ /dev/null @@ -1,199 +0,0 @@ -/***************************************************************************** - * aout_esd.c : Esound functions library - ***************************************************************************** - * Copyright (C) 2000-2001 VideoLAN - * $Id: aout_esd.c,v 1.21 2002/02/24 22:06:50 sam Exp $ - * - * Authors: Samuel Hocevar - * - * This program 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. - * - * 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. - *****************************************************************************/ - -/* TODO: - * - * - use the libesd function to get latency when it's not buggy anymore - * - */ - -/***************************************************************************** - * Preamble - *****************************************************************************/ -#include /* ENOMEM */ -#include /* open(), O_WRONLY */ -#include /* strerror() */ -#include /* write(), close() */ -#include /* "intf_msg.h" */ -#include /* calloc(), malloc(), free() */ - -#include - -#include - -#include "audio_output.h" /* aout_thread_t */ - -/***************************************************************************** - * aout_sys_t: esd audio output method descriptor - ***************************************************************************** - * This structure is part of the audio output thread descriptor. - * It describes some esd specific variables. - *****************************************************************************/ -typedef struct aout_sys_s -{ - esd_format_t esd_format; - int i_fd; - -} aout_sys_t; - -/***************************************************************************** - * Local prototypes. - *****************************************************************************/ -static int aout_Open ( aout_thread_t *p_aout ); -static int aout_SetFormat ( aout_thread_t *p_aout ); -static int aout_GetBufInfo ( aout_thread_t *p_aout, int i_buffer_info ); -static void aout_Play ( aout_thread_t *p_aout, - byte_t *buffer, int i_size ); -static void aout_Close ( aout_thread_t *p_aout ); - -/***************************************************************************** - * Functions exported as capabilities. They are declared as static so that - * we don't pollute the namespace too much. - *****************************************************************************/ -void _M( aout_getfunctions )( function_list_t * p_function_list ) -{ - p_function_list->functions.aout.pf_open = aout_Open; - p_function_list->functions.aout.pf_setformat = aout_SetFormat; - p_function_list->functions.aout.pf_getbufinfo = aout_GetBufInfo; - p_function_list->functions.aout.pf_play = aout_Play; - p_function_list->functions.aout.pf_close = aout_Close; -} - -/***************************************************************************** - * aout_Open: open an esd socket - *****************************************************************************/ -static int aout_Open( aout_thread_t *p_aout ) -{ - /* mpg123 does it this way */ - int i_bits = ESD_BITS16; - int i_mode = ESD_STREAM; - int i_func = ESD_PLAY; - - /* Allocate structure */ - p_aout->p_sys = malloc( sizeof( aout_sys_t ) ); - if( p_aout->p_sys == NULL ) - { - intf_ErrMsg("error: %s", strerror(ENOMEM) ); - return( 1 ); - } - - /* Initialize some variables */ - p_aout->i_rate = esd_audio_rate; /* We use actual esd rate value, not - * initial value */ - - i_bits = ESD_BITS16; - i_mode = ESD_STREAM; - i_func = ESD_PLAY; - p_aout->p_sys->esd_format = (i_bits | i_mode | i_func) & (~ESD_MASK_CHAN); - - if( p_aout->i_channels == 1 ) - { - p_aout->p_sys->esd_format |= ESD_MONO; - } - else - { - p_aout->p_sys->esd_format |= ESD_STEREO; - } - - /* open a socket for playing a stream - * and try to open /dev/dsp if there's no EsounD */ - if ( (p_aout->p_sys->i_fd - = esd_play_stream_fallback(p_aout->p_sys->esd_format, - p_aout->i_rate, NULL, "vlc")) < 0 ) - { - intf_ErrMsg( "aout error: can't open esound socket" - " (format 0x%08x at %ld Hz)", - p_aout->p_sys->esd_format, p_aout->i_rate ); - return( -1 ); - } - - return( 0 ); -} - -/***************************************************************************** - * aout_SetFormat: set the output format - *****************************************************************************/ -static int aout_SetFormat( aout_thread_t *p_aout ) -{ - int i_fd; - - i_fd = esd_open_sound(NULL); - p_aout->i_latency = esd_get_latency(i_fd); - - intf_WarnMsg(2, "aout_esd_latency: %d",p_aout->i_latency); - - return( 0 ); -} - -/***************************************************************************** - * aout_GetBufInfo: buffer status query - *****************************************************************************/ -static int aout_GetBufInfo( aout_thread_t *p_aout, int i_buffer_limit ) -{ - /* arbitrary value that should be changed */ - return( i_buffer_limit ); -} - -/***************************************************************************** - * aout_Play: play a sound samples buffer - ***************************************************************************** - * This function writes a buffer of i_length bytes in the socket - *****************************************************************************/ -static void aout_Play( aout_thread_t *p_aout, byte_t *buffer, int i_size ) -{ - int i_amount; - - if (p_aout->p_sys->esd_format & ESD_STEREO) - { - if (p_aout->p_sys->esd_format & ESD_BITS16) - { - i_amount = (44100 * (ESD_BUF_SIZE + 64)) / p_aout->i_rate; - } - else - { - i_amount = (44100 * (ESD_BUF_SIZE + 128)) / p_aout->i_rate; - } - } - else - { - if (p_aout->p_sys->esd_format & ESD_BITS16) - { - i_amount = (2 * 44100 * (ESD_BUF_SIZE + 128)) / p_aout->i_rate; - } - else - { - i_amount = (2 * 44100 * (ESD_BUF_SIZE + 256)) / p_aout->i_rate; - } - } - - write( p_aout->p_sys->i_fd, buffer, i_size ); -} - -/***************************************************************************** - * aout_Close: close the Esound socket - *****************************************************************************/ -static void aout_Close( aout_thread_t *p_aout ) -{ - close( p_aout->p_sys->i_fd ); -} -