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110 lines
4.7 KiB
Diff
110 lines
4.7 KiB
Diff
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From 3b85f3e1c292b3f6c3f226490f52a2ab78251730 Mon Sep 17 00:00:00 2001
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From: Terje Skjaeveland <terje.skjaeveland@gmail.com>
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Date: Sun, 29 Oct 2017 12:35:46 +0100
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Subject: [PATCH] audio_sdl2: Update for mixer v2.0.2 support
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Flags MIX_INIT_MODPLUG was removed, and MIX_INIT_FLUIDSYNTH was
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renamed to MIX_INIT_MID.
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---
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kivy/core/audio/audio_sdl2.pyx | 45 +++++++++++++++++++++++++++++-------------
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kivy/lib/sdl2.pxi | 4 ++--
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2 files changed, 33 insertions(+), 16 deletions(-)
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diff --git a/kivy/core/audio/audio_sdl2.pyx b/kivy/core/audio/audio_sdl2.pyx
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index 2ab569fe60..c6f26be5c8 100644
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--- a/kivy/core/audio/audio_sdl2.pyx
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+++ b/kivy/core/audio/audio_sdl2.pyx
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@@ -15,9 +15,23 @@ Depending the compilation of SDL2 mixer and/or installed libraries:
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* ogg since 1.9.1 (mixer needs libvorbis/libogg)
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* flac since 1.9.1 (mixer needs libflac)
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* mp3 since 1.9.1 (mixer needs libsmpeg/libmad; only use mad for GPL apps)
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+ * Since 1.10.1 + mixer 2.0.2, mpg123 can also be used
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* sequenced formats since 1.9.1 (midi, mod, s3m, etc. Mixer needs
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libmodplug or libmikmod)
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+.. Note::
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+
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+ Sequenced format support changed with mixer v2.0.2. If mixer is
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+ linked with one of libmodplug or libmikmod, format support for
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+ both libraries is assumed. This will work perfectly with formats
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+ upported by both libraries, but if you were to try to load an
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+ obscure format (like `apun` file with mikmod only), it will fail.
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+
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+ * Kivy <= 1.10.0: will fail to build with mixer >= 2.0.2
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+ will report correct format support with < 2.0.2
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+ * Kivy >= 1.10.1: will build with old and new mixer, and
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+ will "guesstimate" sequenced format support
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+
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.. Warning::
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Sequenced formats use the SDL2 Mixer music channel, you can only play
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@@ -57,8 +71,13 @@ cdef mix_init():
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mix_is_init = -1
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return 0
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+ # In mixer 2.0.2, MIX_INIT_MODPLUG is now implied by MIX_INIT_MOD,
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+ # and MIX_INIT_FLUIDSYNTH was renamed to MIX_INIT_MID. In previous
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+ # versions, we requested both _MODPLUG and _MOD + _FLUIDSYNTH.
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+ # 0x20 used to be MIX_INIT_FLUIDSYNTH, now MIX_INIT_MID
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+ # 0x4 used to be MIX_INIT_MODPLUG before 2.0.2
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want_flags = MIX_INIT_FLAC | MIX_INIT_OGG | MIX_INIT_MP3
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- want_flags |= MIX_INIT_MOD | MIX_INIT_MODPLUG | MIX_INIT_FLUIDSYNTH
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+ want_flags |= MIX_INIT_MOD | 0x20 | 0x4
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mix_flags = Mix_Init(want_flags)
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@@ -244,25 +263,23 @@ class MusicSDL2(Sound):
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@staticmethod
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def extensions():
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mix_init()
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+ # FIXME: this should probably evolve to use the new has_music()
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+ # interface to determine format support
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# Assume native midi support (defaults to enabled), but may use
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# modplug, fluidsynth or timidity in reality. It may also be
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# disabled completely, in which case loading it will fail
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extensions = set(['mid', 'midi'])
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- # libmodplug, may be incomplete
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- if mix_flags & MIX_INIT_MODPLUG:
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- extensions.update(['669', 'abc', 'amf', 'ams', 'dbm', 'dmf',
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- 'dsm', 'far', 'it', 'j2b', 'mdl', 'med',
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- 'mod', 'mt2', 'mtm', 'okt', 'pat', 'psm',
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- 'ptm', 's3m', 'stm', 'ult', 'umx', 'xm'])
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-
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- # libmikmod, may be incomplete
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- if mix_flags & MIX_INIT_MOD:
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- extensions.update(['669', 'amf', 'apun', 'dsm', 'far', 'gdm',
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- 'gt2', 'it', 'med', 'mod', 'mtm', 'okt',
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- 's3m', 'stm', 'stx', 'ult', 'umx', 'uni',
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- 'xm'])
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+ # libmodplug and libmikmod, may be incomplete.
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+ # 0x4 is for mixer < 2.0.2, MIX_INIT_MODPLUG
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+ if mix_flags & (MIX_INIT_MOD | 0x4):
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+ extensions.update(['669', 'abc', 'amf', 'ams', 'apun', 'dbm',
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+ 'dmf', 'dsm', 'far', 'gdm', 'it', 'j2b',
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+ 'mdl', 'med', 'mod', 'mt2', 'mtm', 'okt',
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+ 'pat', 'psm', 'ptm', 's3m', 'stm', 'stx',
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+ 'ult', 'umx', 'uni', 'xm'])
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+
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return list(extensions)
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def __init__(self, **kwargs):
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diff --git a/kivy/lib/sdl2.pxi b/kivy/lib/sdl2.pxi
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index 07d055c903..ad62ce8023 100644
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--- a/kivy/lib/sdl2.pxi
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+++ b/kivy/lib/sdl2.pxi
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@@ -881,10 +881,10 @@ cdef extern from "SDL_mixer.h":
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ctypedef enum MIX_InitFlags:
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MIX_INIT_FLAC = 0x00000001
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MIX_INIT_MOD = 0x00000002
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- MIX_INIT_MODPLUG = 0x00000004
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+ MIX_INIT_MODPLUG = 0x00000004 # Removed in mixer 2.0.2
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MIX_INIT_MP3 = 0x00000008
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MIX_INIT_OGG = 0x00000010
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- MIX_INIT_FLUIDSYNTH = 0x00000020
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+ MIX_INIT_MID = 0x00000020 # Previously _FLUIDSYNTH
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cdef int MIX_MAX_VOLUME
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