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[audio] Replace libopus with FFmpeg (#4169)

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FFmpeg offers two opus decoders:
- libopus, this one is fed the same data (that affects output) as the previous libopus decoder had as well
- native opus decoder: this only takes Float32 samples, we then need to invoke swrescale to translate between s16 (what switch sends) and float32 (what FFmpeg expects), the process is computationally more expensive, but trades off neatly as the native opus decoder is very optimised

It also relegates the handling to FFmpeg, which simplifies existing code (more concretely, by using the "fill/drain" scheme for packets/frames)

Closes #2897

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Co-authored-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4169
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: Maufeat <sahyno1996@gmail.com>
This commit is contained in:
lizzie
2026-09-12 09:59:33 +02:00
committed by crueter
parent 8a22f1845b
commit ff8368c606
22 changed files with 441 additions and 904 deletions
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src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/LicensesFragment.kt
-7
View File
@@ -79,13 +79,6 @@ class LicensesFragment : Fragment() {
R.string.license_ffmpeg_copyright,
R.string.license_ffmpeg_text
),
License(
R.string.license_opus,
R.string.license_opus_description,
R.string.license_opus_link,
R.string.license_opus_copyright,
R.string.license_opus_text
),
License(
R.string.license_sirit,
R.string.license_sirit_description,
src/android/app/src/main/res/values/strings.xml
-45
View File
@@ -1783,51 +1783,6 @@ RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
</string>
<string name="license_opus" translatable="false">Opus</string>
<string name="license_opus_description" translatable="false">Modern audio compression for the internet</string>
<string name="license_opus_link" translatable="false">https://github.com/xiph/opus</string>
<string name="license_opus_copyright" translatable="false">Copyright 2001–2011 Xiph.Org, Skype Limited, Octasic, Jean-Marc Valin, Timothy B. Terriberry, CSIRO, Gregory Maxwell, Mark Borgerding, Erik de Castro Lopo</string>
<string name="license_opus_text" translatable="false">
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:\n\n
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.\n\n
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.\n\n
- Neither the name of Internet Society, IETF or IETF Trust, nor the
names of specific contributors, may be used to endorse or promote
products derived from this software without specific prior written
permission.\n\n
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS\'\' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\n
Opus is subject to the royalty-free patent licenses which are
specified at:\n\n
Xiph.Org Foundation:
https://datatracker.ietf.org/ipr/1524/ \n\n
Microsoft Corporation:
https://datatracker.ietf.org/ipr/1914/ \n\n
Broadcom Corporation:
https://datatracker.ietf.org/ipr/1526/
</string>
<string name="license_sirit" translatable="false">Sirit</string>
<string name="license_sirit_description" translatable="false">A runtime SPIR-V assembler</string>