diff options
author | Max Kellermann <max@duempel.org> | 2009-12-25 14:27:32 +0100 |
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committer | Max Kellermann <max@duempel.org> | 2009-12-25 17:29:41 +0100 |
commit | b54bde6f2b9f826cd7189182d733aada66c95dd8 (patch) | |
tree | f07f7b57f0d83879e6aa35ba3bbdaa06b4cbf4f1 /src/filter_plugin.h | |
parent | d2051c7f50deff0532566c070aaf4fec5d774558 (diff) |
filter_plugin: allow open() to force an input format
Make the audio_format argument non-const. Allow the open() method to
modify it, to indicate that it wants a different input audio format
than the one specified. Check that condition in chain_filter_open(),
and fail.
Diffstat (limited to 'src/filter_plugin.h')
-rw-r--r-- | src/filter_plugin.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/filter_plugin.h b/src/filter_plugin.h index dc5903b5..cec15794 100644 --- a/src/filter_plugin.h +++ b/src/filter_plugin.h @@ -50,10 +50,14 @@ struct filter_plugin { /** * Opens a filter. + * + * @param audio_format the audio format of incoming data; the + * plugin may modify the object to enforce another input + * format */ const struct audio_format * (*open)(struct filter *filter, - const struct audio_format *audio_format, + struct audio_format *audio_format, GError **error_r); /** @@ -108,13 +112,14 @@ filter_free(struct filter *filter); * Opens the filter, preparing it for filter_filter(). * * @param filter the filter object - * @param audio_format the audio format of incoming data + * @param audio_format the audio format of incoming data; the plugin + * may modify the object to enforce another input format * @param error location to store the error occuring, or NULL to * ignore errors. * @return the format of outgoing data */ const struct audio_format * -filter_open(struct filter *filter, const struct audio_format *audio_format, +filter_open(struct filter *filter, struct audio_format *audio_format, GError **error_r); /** |