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libpulse: introduce PA_STREAM_RELATIVE_VOLUME

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This commit is contained in:
Lennart Poettering 2009-10-29 00:46:22 +01:00
parent 546bcf3f2f
commit f27a50691c
5 changed files with 39 additions and 6 deletions
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10
src/pulse/def.h
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@ -276,11 +276,18 @@ typedef enum pa_stream_flags {
* whether to create the stream in muted or in unmuted
* state. \since 0.9.15 */
PA_STREAM_FAIL_ON_SUSPEND = 0x20000U
PA_STREAM_FAIL_ON_SUSPEND = 0x20000U,
/**< If the sink/source this stream is connected to is suspended
* during the creation of this stream, cause it to fail. If the
* sink/source is being suspended during creation of this stream,
* make sure this stream is terminated. \since 0.9.15 */
PA_STREAM_RELATIVE_VOLUME = 0x40000U,
/**< If a volume is passed when this stream is created, consider
* it relative to the sink's current volume, never as absolute
* device volume. If this is not specified the volume will be
* consider absolute when the sink is in flat volume mode,
* relative otherwise. \since 0.9.20 */
} pa_stream_flags_t;
/** \cond fulldocs */
@ -307,6 +314,7 @@ typedef enum pa_stream_flags {
#define PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND
#define PA_STREAM_START_UNMUTED PA_STREAM_START_UNMUTED
#define PA_STREAM_FAIL_ON_SUSPEND PA_STREAM_FAIL_ON_SUSPEND
#define PA_STREAM_RELATIVE_VOLUME PA_STREAM_RELATIVE_VOLUME
/** \endcond */

10
src/pulse/stream.c
View file

@ -1025,7 +1025,8 @@ static int create_stream(
PA_STREAM_EARLY_REQUESTS|
PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND|
PA_STREAM_START_UNMUTED|
PA_STREAM_FAIL_ON_SUSPEND)), PA_ERR_INVALID);
PA_STREAM_FAIL_ON_SUSPEND|
PA_STREAM_RELATIVE_VOLUME)), PA_ERR_INVALID);
PA_CHECK_VALIDITY(s->context, s->context->version >= 12 || !(flags & PA_STREAM_VARIABLE_RATE), PA_ERR_NOTSUPPORTED);
PA_CHECK_VALIDITY(s->context, s->context->version >= 13 || !(flags & PA_STREAM_PEAK_DETECT), PA_ERR_NOTSUPPORTED);
@ -1158,6 +1159,13 @@ static int create_stream(
pa_tagstruct_put_boolean(t, flags & PA_STREAM_FAIL_ON_SUSPEND);
}
if (s->context->version >= 17) {
if (s->direction == PA_STREAM_PLAYBACK)
pa_tagstruct_put_boolean(t, flags & PA_STREAM_RELATIVE_VOLUME);
}
pa_pstream_send_tagstruct(s->context->pstream, t);
pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL);