Mercurial > hg > xemacs-beta
view src/alsaplay.c @ 4952:19a72041c5ed
Mule-izing, various fixes related to char * arguments
-------------------- ChangeLog entries follow: --------------------
modules/ChangeLog addition:
2010-01-26 Ben Wing <ben@xemacs.org>
* postgresql/postgresql.c:
* postgresql/postgresql.c (CHECK_LIVE_CONNECTION):
* postgresql/postgresql.c (print_pgresult):
* postgresql/postgresql.c (Fpq_conn_defaults):
* postgresql/postgresql.c (Fpq_connectdb):
* postgresql/postgresql.c (Fpq_connect_start):
* postgresql/postgresql.c (Fpq_result_status):
* postgresql/postgresql.c (Fpq_res_status):
Mule-ize large parts of it.
2010-01-26 Ben Wing <ben@xemacs.org>
* ldap/eldap.c (print_ldap):
* ldap/eldap.c (allocate_ldap):
Use write_ascstring().
src/ChangeLog addition:
2010-01-26 Ben Wing <ben@xemacs.org>
* alloc.c:
* alloc.c (build_ascstring):
* alloc.c (build_msg_cistring):
* alloc.c (staticpro_1):
* alloc.c (staticpro_name):
* alloc.c (staticpro_nodump_1):
* alloc.c (staticpro_nodump_name):
* alloc.c (unstaticpro_nodump_1):
* alloc.c (mcpro_1):
* alloc.c (mcpro_name):
* alloc.c (object_memory_usage_stats):
* alloc.c (common_init_alloc_early):
* alloc.c (init_alloc_once_early):
* buffer.c (print_buffer):
* buffer.c (vars_of_buffer):
* buffer.c (common_init_complex_vars_of_buffer):
* buffer.c (init_initial_directory):
* bytecode.c (invalid_byte_code):
* bytecode.c (print_compiled_function):
* bytecode.c (mark_compiled_function):
* chartab.c (print_table_entry):
* chartab.c (print_char_table):
* config.h.in:
* console-gtk.c:
* console-gtk.c (gtk_device_to_console_connection):
* console-gtk.c (gtk_semi_canonicalize_console_connection):
* console-gtk.c (gtk_canonicalize_console_connection):
* console-gtk.c (gtk_semi_canonicalize_device_connection):
* console-gtk.c (gtk_canonicalize_device_connection):
* console-stream.c (stream_init_frame_1):
* console-stream.c (vars_of_console_stream):
* console-stream.c (init_console_stream):
* console-x.c (x_semi_canonicalize_console_connection):
* console-x.c (x_semi_canonicalize_device_connection):
* console-x.c (x_canonicalize_device_connection):
* console-x.h:
* data.c (eq_with_ebola_notice):
* data.c (Fsubr_interactive):
* data.c (Fnumber_to_string):
* data.c (digit_to_number):
* device-gtk.c (gtk_init_device):
* device-msw.c (print_devmode):
* device-x.c (x_event_name):
* dialog-msw.c (handle_directory_dialog_box):
* dialog-msw.c (handle_file_dialog_box):
* dialog-msw.c (vars_of_dialog_mswindows):
* doc.c (weird_doc):
* doc.c (Fsnarf_documentation):
* doc.c (vars_of_doc):
* dumper.c (pdump):
* dynarr.c:
* dynarr.c (Dynarr_realloc):
* editfns.c (Fuser_real_login_name):
* editfns.c (get_home_directory):
* elhash.c (print_hash_table_data):
* elhash.c (print_hash_table):
* emacs.c (main_1):
* emacs.c (vars_of_emacs):
* emodules.c:
* emodules.c (_emodules_list):
* emodules.c (Fload_module):
* emodules.c (Funload_module):
* emodules.c (Flist_modules):
* emodules.c (find_make_module):
* emodules.c (attempt_module_delete):
* emodules.c (emodules_load):
* emodules.c (emodules_doc_subr):
* emodules.c (emodules_doc_sym):
* emodules.c (syms_of_module):
* emodules.c (vars_of_module):
* emodules.h:
* eval.c (print_subr):
* eval.c (signal_call_debugger):
* eval.c (build_error_data):
* eval.c (signal_error):
* eval.c (maybe_signal_error):
* eval.c (signal_continuable_error):
* eval.c (maybe_signal_continuable_error):
* eval.c (signal_error_2):
* eval.c (maybe_signal_error_2):
* eval.c (signal_continuable_error_2):
* eval.c (maybe_signal_continuable_error_2):
* eval.c (signal_ferror):
* eval.c (maybe_signal_ferror):
* eval.c (signal_continuable_ferror):
* eval.c (maybe_signal_continuable_ferror):
* eval.c (signal_ferror_with_frob):
* eval.c (maybe_signal_ferror_with_frob):
* eval.c (signal_continuable_ferror_with_frob):
* eval.c (maybe_signal_continuable_ferror_with_frob):
* eval.c (syntax_error):
* eval.c (syntax_error_2):
* eval.c (maybe_syntax_error):
* eval.c (sferror):
* eval.c (sferror_2):
* eval.c (maybe_sferror):
* eval.c (invalid_argument):
* eval.c (invalid_argument_2):
* eval.c (maybe_invalid_argument):
* eval.c (invalid_constant):
* eval.c (invalid_constant_2):
* eval.c (maybe_invalid_constant):
* eval.c (invalid_operation):
* eval.c (invalid_operation_2):
* eval.c (maybe_invalid_operation):
* eval.c (invalid_change):
* eval.c (invalid_change_2):
* eval.c (maybe_invalid_change):
* eval.c (invalid_state):
* eval.c (invalid_state_2):
* eval.c (maybe_invalid_state):
* eval.c (wtaerror):
* eval.c (stack_overflow):
* eval.c (out_of_memory):
* eval.c (print_multiple_value):
* eval.c (issue_call_trapping_problems_warning):
* eval.c (backtrace_specials):
* eval.c (backtrace_unevalled_args):
* eval.c (Fbacktrace):
* eval.c (warn_when_safe):
* event-Xt.c (modwarn):
* event-Xt.c (modbarf):
* event-Xt.c (check_modifier):
* event-Xt.c (store_modifier):
* event-Xt.c (emacs_Xt_format_magic_event):
* event-Xt.c (describe_event):
* event-gtk.c (dragndrop_data_received):
* event-gtk.c (store_modifier):
* event-gtk.c (gtk_reset_modifier_mapping):
* event-msw.c (dde_eval_string):
* event-msw.c (Fdde_alloc_advise_item):
* event-msw.c (mswindows_dde_callback):
* event-msw.c (FROB):
* event-msw.c (emacs_mswindows_format_magic_event):
* event-stream.c (external_debugging_print_event):
* event-stream.c (execute_help_form):
* event-stream.c (vars_of_event_stream):
* events.c (print_event_1):
* events.c (print_event):
* events.c (event_equal):
* extents.c (print_extent_1):
* extents.c (print_extent):
* extents.c (vars_of_extents):
* faces.c (print_face):
* faces.c (complex_vars_of_faces):
* file-coding.c:
* file-coding.c (print_coding_system):
* file-coding.c (print_coding_system_in_print_method):
* file-coding.c (default_query_method):
* file-coding.c (find_coding_system):
* file-coding.c (make_coding_system_1):
* file-coding.c (chain_print):
* file-coding.c (undecided_print):
* file-coding.c (gzip_print):
* file-coding.c (vars_of_file_coding):
* file-coding.c (complex_vars_of_file_coding):
* fileio.c:
* fileio.c (report_file_type_error):
* fileio.c (report_error_with_errno):
* fileio.c (report_file_error):
* fileio.c (barf_or_query_if_file_exists):
* fileio.c (vars_of_fileio):
* floatfns.c (matherr):
* fns.c (print_bit_vector):
* fns.c (Fmapconcat):
* fns.c (add_suffix_to_symbol):
* fns.c (add_prefix_to_symbol):
* frame-gtk.c:
* frame-gtk.c (Fgtk_window_id):
* frame-x.c (def):
* frame-x.c (x_cde_transfer_callback):
* frame.c:
* frame.c (Fmake_frame):
* gc.c (show_gc_cursor_and_message):
* gc.c (vars_of_gc):
* glyphs-eimage.c (png_instantiate):
* glyphs-eimage.c (tiff_instantiate):
* glyphs-gtk.c (gtk_print_image_instance):
* glyphs-msw.c (mswindows_print_image_instance):
* glyphs-x.c (x_print_image_instance):
* glyphs-x.c (update_widget_face):
* glyphs.c (make_string_from_file):
* glyphs.c (print_image_instance):
* glyphs.c (signal_image_error):
* glyphs.c (signal_image_error_2):
* glyphs.c (signal_double_image_error):
* glyphs.c (signal_double_image_error_2):
* glyphs.c (xbm_mask_file_munging):
* glyphs.c (pixmap_to_lisp_data):
* glyphs.h:
* gui.c (gui_item_display_flush_left):
* hpplay.c (player_error_internal):
* hpplay.c (myHandler):
* intl-win32.c:
* intl-win32.c (langcode_to_lang):
* intl-win32.c (sublangcode_to_lang):
* intl-win32.c (Fmswindows_get_locale_info):
* intl-win32.c (lcid_to_locale_mule_or_no):
* intl-win32.c (mswindows_multibyte_to_unicode_print):
* intl-win32.c (complex_vars_of_intl_win32):
* keymap.c:
* keymap.c (print_keymap):
* keymap.c (ensure_meta_prefix_char_keymapp):
* keymap.c (Fkey_description):
* keymap.c (Ftext_char_description):
* lisp.h:
* lisp.h (struct):
* lisp.h (DECLARE_INLINE_HEADER):
* lread.c (Fload_internal):
* lread.c (locate_file):
* lread.c (read_escape):
* lread.c (read_raw_string):
* lread.c (read1):
* lread.c (read_list):
* lread.c (read_compiled_function):
* lread.c (init_lread):
* lrecord.h:
* marker.c (print_marker):
* marker.c (marker_equal):
* menubar-msw.c (displayable_menu_item):
* menubar-x.c (command_builder_operate_menu_accelerator):
* menubar.c (vars_of_menubar):
* minibuf.c (reinit_complex_vars_of_minibuf):
* minibuf.c (complex_vars_of_minibuf):
* mule-charset.c (Fmake_charset):
* mule-charset.c (complex_vars_of_mule_charset):
* mule-coding.c (iso2022_print):
* mule-coding.c (fixed_width_query):
* number.c (bignum_print):
* number.c (ratio_print):
* number.c (bigfloat_print):
* number.c (bigfloat_finalize):
* objects-msw.c:
* objects-msw.c (mswindows_color_to_string):
* objects-msw.c (mswindows_color_list):
* objects-tty.c:
* objects-tty.c (tty_font_list):
* objects-tty.c (tty_find_charset_font):
* objects-xlike-inc.c (xft_find_charset_font):
* objects-xlike-inc.c (endif):
* print.c:
* print.c (write_istring):
* print.c (write_ascstring):
* print.c (Fterpri):
* print.c (Fprint):
* print.c (print_error_message):
* print.c (print_vector_internal):
* print.c (print_cons):
* print.c (print_string):
* print.c (printing_unreadable_object):
* print.c (print_internal):
* print.c (print_float):
* print.c (print_symbol):
* process-nt.c (mswindows_report_winsock_error):
* process-nt.c (nt_canonicalize_host_name):
* process-unix.c (unix_canonicalize_host_name):
* process.c (print_process):
* process.c (report_process_error):
* process.c (report_network_error):
* process.c (make_process_internal):
* process.c (Fstart_process_internal):
* process.c (status_message):
* process.c (putenv_internal):
* process.c (vars_of_process):
* process.h:
* profile.c (vars_of_profile):
* rangetab.c (print_range_table):
* realpath.c (vars_of_realpath):
* redisplay.c (vars_of_redisplay):
* search.c (wordify):
* search.c (Freplace_match):
* sheap.c (sheap_adjust_h):
* sound.c (report_sound_error):
* sound.c (Fplay_sound_file):
* specifier.c (print_specifier):
* symbols.c (Fsubr_name):
* symbols.c (do_symval_forwarding):
* symbols.c (set_default_buffer_slot_variable):
* symbols.c (set_default_console_slot_variable):
* symbols.c (store_symval_forwarding):
* symbols.c (default_value):
* symbols.c (defsymbol_massage_name_1):
* symbols.c (defsymbol_massage_name_nodump):
* symbols.c (defsymbol_massage_name):
* symbols.c (defsymbol_massage_multiword_predicate_nodump):
* symbols.c (defsymbol_massage_multiword_predicate):
* symbols.c (defsymbol_nodump):
* symbols.c (defsymbol):
* symbols.c (defkeyword):
* symbols.c (defkeyword_massage_name):
* symbols.c (check_module_subr):
* symbols.c (deferror_1):
* symbols.c (deferror):
* symbols.c (deferror_massage_name):
* symbols.c (deferror_massage_name_and_message):
* symbols.c (defvar_magic):
* symeval.h:
* symeval.h (DEFVAR_SYMVAL_FWD):
* sysdep.c:
* sysdep.c (init_system_name):
* sysdll.c:
* sysdll.c (MAYBE_PREPEND_UNDERSCORE):
* sysdll.c (dll_function):
* sysdll.c (dll_variable):
* sysdll.c (dll_error):
* sysdll.c (dll_open):
* sysdll.c (dll_close):
* sysdll.c (image_for_address):
* sysdll.c (my_find_image):
* sysdll.c (search_linked_libs):
* sysdll.h:
* sysfile.h:
* sysfile.h (DEFAULT_DIRECTORY_FALLBACK):
* syswindows.h:
* tests.c (DFC_CHECK_LENGTH):
* tests.c (DFC_CHECK_CONTENT):
* tests.c (Ftest_hash_tables):
* text.c (vars_of_text):
* text.h:
* tooltalk.c (tt_opnum_string):
* tooltalk.c (tt_message_arg_ival_string):
* tooltalk.c (Ftooltalk_default_procid):
* tooltalk.c (Ftooltalk_default_session):
* tooltalk.c (init_tooltalk):
* tooltalk.c (vars_of_tooltalk):
* ui-gtk.c (Fdll_load):
* ui-gtk.c (type_to_marshaller_type):
* ui-gtk.c (Fgtk_import_function_internal):
* ui-gtk.c (emacs_gtk_object_printer):
* ui-gtk.c (emacs_gtk_boxed_printer):
* unicode.c (unicode_to_ichar):
* unicode.c (unicode_print):
* unicode.c (unicode_query):
* unicode.c (vars_of_unicode):
* unicode.c (complex_vars_of_unicode):
* win32.c:
* win32.c (mswindows_report_process_error):
* window.c (print_window):
* xemacs.def.in.in:
BASIC IDEA: Further fixing up uses of char * and CIbyte *
to reflect their actual semantics; Mule-izing some code;
redoing of the not-yet-working code to handle message translation.
Clean up code to handle message-translation (not yet working).
Create separate versions of build_msg_string() for working with
Ibyte *, CIbyte *, and Ascbyte * arguments. Assert that Ascbyte *
arguments are pure-ASCII. Make build_msg_string() be the same
as build_msg_ascstring(). Create same three versions of GETTEXT()
and DEFER_GETTEXT(). Also create build_defer_string() and
variants for the equivalent of DEFER_GETTEXT() when building a
string. Remove old CGETTEXT(). Clean up code where GETTEXT(),
DEFER_GETTEXT(), build_msg_string(), etc. was being called and
introduce some new calls to build_msg_string(), etc. Remove
GETTEXT() from calls to weird_doc() -- we assume that the
message snarfer knows about weird_doc(). Remove uses of
DEFER_GETTEXT() from error messages in sysdep.c and instead use
special comments /* @@@begin-snarf@@@ */ and /* @@@end-snarf@@@ */
that the message snarfer presumably knows about.
Create build_ascstring() and use it in many instances in place
of build_string(). The purpose of having Ascbyte * variants is
to make the code more self-documenting in terms of what sort of
semantics is expected for char * strings. In fact in the process
of looking for uses of build_string(), much improperly Mule-ized
was discovered.
Mule-ize a lot of code as described in previous paragraph,
e.g. in sysdep.c.
Make the error functions take Ascbyte * strings and fix up a
couple of places where non-pure-ASCII strings were being passed in
(file-coding.c, mule-coding.c, unicode.c). (It's debatable whether
we really need to make the error functions work this way. It
helps catch places where code is written in a way that message
translation won't work, but we may well never implement message
translation.)
Make staticpro() and friends take Ascbyte * strings instead of
raw char * strings. Create a const_Ascbyte_ptr dynarr type
to describe what's held by staticpro_names[] and friends,
create pdump descriptions for const_Ascbyte_ptr dynarrs, and
use them in place of specially-crafted staticpro descriptions.
Mule-ize certain other functions (e.g. x_event_name) by correcting
raw use of char * to Ascbyte *, Rawbyte * or another such type,
and raw use of char[] buffers to another type (usually Ascbyte[]).
Change many uses of write_c_string() to write_msg_string(),
write_ascstring(), etc.
Mule-ize emodules.c, emodules.h, sysdll.h.
Fix some un-Mule-ized code in intl-win32.c.
A comment in event-Xt.c and the limitations of the message
snarfer (make-msgfile or whatever) is presumably incorrect --
it should be smart enough to handle function calls spread over
more than one line. Clean up code in event-Xt.c that was
written awkwardly for this reason.
In config.h.in, instead of NEED_ERROR_CHECK_TYPES_INLINES,
create a more general XEMACS_DEFS_NEEDS_INLINE_DECLS to
indicate when inlined functions need to be declared in
xemacs.defs.in.in, and make use of it in xemacs.defs.in.in.
We need to do this because postgresql.c now calls qxestrdup(),
which is an inline function.
Make nconc2() and other such functions MODULE_API and put
them in xemacs.defs.in.in since postgresql.c now uses them.
Clean up indentation in lread.c and a few other places.
In text.h, document ASSERT_ASCTEXT_ASCII() and
ASSERT_ASCTEXT_ASCII_LEN(), group together the stand-in
encodings and add some more for DLL symbols, function and
variable names, etc.
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Tue, 26 Jan 2010 23:22:30 -0600 |
| parents | 316f3f347b4f |
| children | 16112448d484 |
line wrap: on
line source
/* Play sound with the ALSA library Copyright (C) 2006 Jerry James. This file is part of XEmacs. XEmacs 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, or (at your option) any later version. XEmacs 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 XEmacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Synched up with: Not in FSF. */ /* TODO: Support asynchronous sound playing; see the NAS support in sound.c */ #include <config.h> #include "lisp.h" #include "sound.h" #include "sysfile.h" /* We can't just include <alsa/asoundlib.h> because it tries to redefine * several symbols defined by the previous header files. */ #include <alsa/version.h> #include <alsa/input.h> #include <alsa/output.h> #include <alsa/conf.h> #include <alsa/global.h> #include <alsa/pcm.h> #include <alsa/error.h> #include <alsa/hwdep.h> #include <alsa/rawmidi.h> #include <alsa/control.h> #include <alsa/mixer.h> #define ALSA_VERSION(major,minor,sub) (((major)<<16) | ((minor)<<8)| (sub)) struct mixer_state { snd_mixer_t *mixer; snd_mixer_elem_t *vol_ctl; /* Which channels need the old volume restored */ int reset_front_left; int reset_front_center; int reset_front_right; int reset_rear_left; int reset_rear_right; int reset_woofer; #if SND_LIB_VERSION >= ALSA_VERSION (1, 0, 10) int reset_rear_center; int reset_side_left; int reset_side_right; #endif /* Old volumes for the channels */ long front_left_vol; long front_center_vol; long front_right_vol; long rear_left_vol; long rear_right_vol; long woofer_vol; #if SND_LIB_VERSION >= ALSA_VERSION (1, 0, 10) long rear_center_vol; long side_left_vol; long side_right_vol; #endif }; /* Assemble a machine half-word in little-endian order */ #define HALF_LE(arr,start) (arr[start] + (arr[start + 1] << 8)) /* Assemble a machine word in little-endian order */ #define WORD_LE(arr,start) (arr[start] + (arr[start + 1] << 8) + \ (arr[start + 2] << 16) + (arr[start + 3] << 24)) /* Assemble a machine word in big-endian order */ #define WORD_BE(arr,start) ((arr[start] << 24) + (arr[start + 1] << 16) + \ (arr[start + 2] << 8) + arr[start + 3]) /* This function was inspired by miscplay.c. * Examine sound data to determine its format. * * TODO: Detect other formats that ALSA can play, such as GSM and MPEG. */ static snd_pcm_format_t analyze_format (const Binbyte *format, int *speed, int *tracks) { if (!memcmp (format, "Creative Voice File\x1A\x1A\x00", 22) && HALF_LE (format, 22) == ((0x1233 - HALF_LE (format, 24)) & 0xFFFF)) { /* VOC */ *speed = 8000; *tracks = 2; return SND_PCM_FORMAT_U8; } else if (!memcmp (format, "RIFF", 4) && !memcmp (format + 8, "WAVEfmt ", 8)) { /* WAVE */ *speed = WORD_LE (format, 24); *tracks = format[22]; return format[32] / format[22] == 1 ? SND_PCM_FORMAT_U8 : SND_PCM_FORMAT_S16_LE; } else if (!memcmp (format, ".snd", 4)) { /* Sun/NeXT Audio (big endian) */ if (WORD_BE (format, 4) < 24) { *speed = 8000; *tracks = 1; return SND_PCM_FORMAT_MU_LAW; } *speed = WORD_BE (format, 16); *tracks = format[23]; if (!memcmp (format + 12, "\000\000\000", 3)) { switch (format[15]) { case 1: case 17: case 29: return SND_PCM_FORMAT_MU_LAW; case 2: return SND_PCM_FORMAT_S8; case 3: return SND_PCM_FORMAT_S16_BE; case 4: return SND_PCM_FORMAT_S24_BE; case 5: return SND_PCM_FORMAT_S32_BE; case 23: case 24: case 25: case 26: return SND_PCM_FORMAT_IMA_ADPCM; case 27: return SND_PCM_FORMAT_A_LAW; default: break; } } return SND_PCM_FORMAT_UNKNOWN; } else if (!memcmp (format, ".sd", 4)) { /* DEC Audio (little endian) */ if (WORD_LE (format, 4) < 24) { *speed = 8000; *tracks = 1; return SND_PCM_FORMAT_MU_LAW; } *speed = WORD_LE (format, 16); *tracks = format[20]; if (!memcmp (format + 13, "\000\000\000", 3)) { switch (format[12]) { case 1: case 17: case 29: return SND_PCM_FORMAT_MU_LAW; case 2: return SND_PCM_FORMAT_S8; case 3: return SND_PCM_FORMAT_S16_LE; case 4: return SND_PCM_FORMAT_S24_LE; case 5: return SND_PCM_FORMAT_S32_LE; case 23: case 24: case 25: case 26: return SND_PCM_FORMAT_IMA_ADPCM; case 27: return SND_PCM_FORMAT_A_LAW; default: break; } } return SND_PCM_FORMAT_UNKNOWN; } else { /* We don't know what it is. Guess that it is mono audio in unsigned * byte format. Maybe we should error if we reach this point. */ *speed = 8000; *tracks = 1; return SND_PCM_FORMAT_U8; } } /* Set the volume: if any errors occur, we accept the existing volume */ static void set_volume (struct mixer_state *mix, int volume) { snd_mixer_selem_id_t *volume_id; long min_vol, max_vol, dev_vol; if (snd_mixer_open (&mix->mixer, 0) < 0) return; if (snd_mixer_attach (mix->mixer, "default") < 0) return; if (snd_mixer_selem_register (mix->mixer, NULL, NULL) < 0) return; if (snd_mixer_load (mix->mixer) < 0) return; snd_mixer_selem_id_alloca (&volume_id); snd_mixer_selem_id_set_name (volume_id, "PCM"); if ((mix->vol_ctl = snd_mixer_find_selem (mix->mixer, volume_id)) == NULL) { snd_mixer_selem_id_set_name (volume_id, "Master"); if ((mix->vol_ctl = snd_mixer_find_selem (mix->mixer, volume_id)) == NULL) return; } /* Translate the Lisp volume range to the device volume range */ #if SND_LIB_VERSION < ALSA_VERSION (1, 0, 10) snd_mixer_selem_get_playback_volume_range (mix->vol_ctl, &min_vol, &max_vol); #else if (snd_mixer_selem_get_playback_volume_range (mix->vol_ctl, &min_vol, &max_vol) < 0) return; #endif dev_vol = volume * (max_vol - min_vol) / 100 + min_vol; /* Record the old volumes */ if (snd_mixer_selem_get_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_FRONT_LEFT, &mix->front_left_vol) >= 0) mix->reset_front_left = 1; if (snd_mixer_selem_get_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_FRONT_CENTER, &mix->front_center_vol) >= 0) mix->reset_front_center = 1; if (snd_mixer_selem_get_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_FRONT_RIGHT, &mix->front_right_vol) >= 0) mix->reset_front_right = 1; if (snd_mixer_selem_get_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_REAR_LEFT, &mix->rear_left_vol) >= 0) mix->reset_rear_left = 1; if (snd_mixer_selem_get_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_REAR_RIGHT, &mix->rear_right_vol) >= 0) mix->reset_rear_right = 1; if (snd_mixer_selem_get_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_WOOFER, &mix->woofer_vol) >= 0) mix->reset_woofer = 1; #if SND_LIB_VERSION >= ALSA_VERSION (1, 0, 10) if (snd_mixer_selem_get_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_REAR_CENTER, &mix->rear_center_vol) >= 0) mix->reset_rear_center = 1; if (snd_mixer_selem_get_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_SIDE_LEFT, &mix->side_left_vol) >= 0) mix->reset_side_left = 1; if (snd_mixer_selem_get_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_SIDE_RIGHT, &mix->side_right_vol) >= 0) mix->reset_side_right = 1; #endif /* Set the volume */ snd_mixer_selem_set_playback_volume_all (mix->vol_ctl, dev_vol); } static void reset_volume (const struct mixer_state *mix) { if (mix->reset_front_left) snd_mixer_selem_set_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_FRONT_LEFT, mix->front_left_vol); if (mix->reset_front_center) snd_mixer_selem_set_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_FRONT_CENTER, mix->front_center_vol); if (mix->reset_front_right) snd_mixer_selem_set_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_FRONT_RIGHT, mix->front_right_vol); if (mix->reset_rear_left) snd_mixer_selem_set_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_REAR_LEFT, mix->rear_left_vol); if (mix->reset_rear_right) snd_mixer_selem_set_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_REAR_RIGHT, mix->rear_right_vol); if (mix->reset_woofer) snd_mixer_selem_set_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_WOOFER, mix->woofer_vol); #if SND_LIB_VERSION >= ALSA_VERSION (1, 0, 10) if (mix->reset_rear_center) snd_mixer_selem_set_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_REAR_CENTER, mix->rear_center_vol); if (mix->reset_side_left) snd_mixer_selem_set_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_SIDE_LEFT, mix->side_left_vol); if (mix->reset_side_right) snd_mixer_selem_set_playback_volume (mix->vol_ctl, SND_MIXER_SCHN_SIDE_RIGHT, mix->side_right_vol); #endif snd_mixer_close (mix->mixer); } int alsa_play_sound_data (const Binbyte *data, int length, int volume) { snd_pcm_t *pcm_handle; snd_pcm_hw_params_t *hwparams; snd_pcm_format_t format; struct mixer_state mix; int speed, tracks, err; /* Set the PCM parameters */ if ((err = snd_pcm_open (&pcm_handle, "default", SND_PCM_STREAM_PLAYBACK, 0)) < 0) goto error_pcm_open; snd_pcm_hw_params_alloca (&hwparams); if ((err = snd_pcm_hw_params_any (pcm_handle, hwparams)) < 0) goto error_pcm; format = analyze_format (data, &speed, &tracks); if ((err = snd_pcm_hw_params_set_access (pcm_handle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) goto error_pcm; if ((err = snd_pcm_hw_params_set_format (pcm_handle, hwparams, format)) < 0) goto error_pcm; if ((err = snd_pcm_hw_params_set_rate (pcm_handle, hwparams, speed, 0)) < 0) goto error_pcm; if ((err = snd_pcm_hw_params_set_channels (pcm_handle, hwparams, tracks)) < 0) goto error_pcm; if ((err = snd_pcm_hw_params (pcm_handle, hwparams)) < 0) goto error_pcm; /* Set the volume */ memset (&mix, 0, sizeof (mix)); set_volume (&mix, volume); /* Play the sound */ if ((err = snd_pcm_writei (pcm_handle, data, length)) < 0) goto error_mixer; /* Put the volume back the way it used to be */ reset_volume (&mix); /* Release resources */ snd_pcm_close (pcm_handle); return 1; error_mixer: reset_volume (&mix); error_pcm: snd_pcm_close (pcm_handle); error_pcm_open: sound_perror (snd_strerror (err)); return 0; } /* Read the sound file into an internal buffer, then call * alsa_play_sound_data. */ int alsa_play_sound_file (const Extbyte *sound_file, int volume) { Binbyte *data; int fd, retval; struct stat st; fd = retry_open (sound_file, O_RDONLY, 0); if (fd < 0) { sound_perror (sound_file); return 0; } qxe_fstat (fd, &st); data = xnew_array (Binbyte, st.st_size); retry_read (fd, data, st.st_size); retry_close (fd); retval = alsa_play_sound_data (data, st.st_size, volume); xfree (data, Binbyte); return retval; }