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Implement onGetEncodingFormat for libvorbis and libopus decoders.

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This commit is contained in:
David Reid
2024-02-29 20:45:19 +10:00
parent 991ae301e4
commit ff0a53fa6f
3 changed files with 46 additions and 3 deletions
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extras/miniaudio_libopus.h
+22 -1
View File
@@ -560,13 +560,34 @@ static void ma_decoding_backend_uninit__libopus(void* pUserData, ma_data_source*
ma_free(pOpus, pAllocationCallbacks);
}
static ma_encoding_format ma_decoding_backend_get_encoding_format__libopus(void* pUserData, ma_data_source* pBackend)
{
(void)pUserData;
(void)pBackend;
/*
When pBackend is null, return ma_encoding_format_unknown if the backend supports multiple
formats. An example might be an FFmpeg backend. If the backend only supports a single format,
like this one, return the format directly (if it's not recognized by miniaudio, return
ma_encoding_format_unknown).
When pBackend is non-null, return the encoded format of the data source. If the format is not
recognized by miniaudio, return ma_encoding_format_unknown.
Since this backend only operates on Opus streams, we can just return ma_encoding_format_opus
in all cases.
*/
return ma_encoding_format_opus;
}
static ma_decoding_backend_vtable g_ma_decoding_backend_vtable_libopus =
{
ma_decoding_backend_init__libopus,
ma_decoding_backend_init_file__libopus,
NULL, /* onInitFileW() */
NULL, /* onInitMemory() */
ma_decoding_backend_uninit__libopus
ma_decoding_backend_uninit__libopus,
ma_decoding_backend_get_encoding_format__libopus
};
const ma_decoding_backend_vtable* ma_decoding_backend_libopus = &g_ma_decoding_backend_vtable_libopus;
extras/miniaudio_libvorbis.h
+22 -1
View File
@@ -580,13 +580,34 @@ static void ma_decoding_backend_uninit__libvorbis(void* pUserData, ma_data_sourc
ma_free(pVorbis, pAllocationCallbacks);
}
static ma_encoding_format ma_decoding_backend_get_encoding_format__libvorbis(void* pUserData, ma_data_source* pBackend)
{
(void)pUserData;
(void)pBackend;
/*
When pBackend is null, return ma_encoding_format_unknown if the backend supports multiple
formats. An example might be an FFmpeg backend. If the backend only supports a single format,
like this one, return the format directly (if it's not recognized by miniaudio, return
ma_encoding_format_unknown).
When pBackend is non-null, return the encoded format of the data source. If the format is not
recognized by miniaudio, return ma_encoding_format_unknown.
Since this backend only operates on Vorbis streams, we can just return ma_encoding_format_vorbis
in all cases.
*/
return ma_encoding_format_vorbis;
}
static ma_decoding_backend_vtable g_ma_decoding_backend_vtable_libvorbis =
{
ma_decoding_backend_init__libvorbis,
ma_decoding_backend_init_file__libvorbis,
NULL, /* onInitFileW() */
NULL, /* onInitMemory() */
ma_decoding_backend_uninit__libvorbis
ma_decoding_backend_uninit__libvorbis,
ma_decoding_backend_get_encoding_format__libvorbis
};
const ma_decoding_backend_vtable* ma_decoding_backend_libvorbis = &g_ma_decoding_backend_vtable_libvorbis;