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new features:

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future cancellation
  corking
  flushing
for playback streams in native protocol


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@152 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-08-22 21:13:58 +00:00
parent ea4805a0fd
commit 41295bbf56
20 changed files with 309 additions and 129 deletions
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16
polyp/memblockq.h
View file

@ -44,7 +44,7 @@ struct pa_memblockq* pa_memblockq_new(size_t maxlength,
struct pa_memblock_stat *s);
void pa_memblockq_free(struct pa_memblockq*bq);
/* Push a new memory chunk into the queue. Optionally specify a value for future cancellation. This is currently not implemented, however! */
/* Push a new memory chunk into the queue. Optionally specify a value for future cancellation. */
void pa_memblockq_push(struct pa_memblockq* bq, const struct pa_memchunk *chunk, size_t delta);
/* Same as pa_memblockq_push(), however chunks are filtered through a mcalign object, and thus aligned to multiples of base */
@ -53,8 +53,11 @@ void pa_memblockq_push_align(struct pa_memblockq* bq, const struct pa_memchunk *
/* Return a copy of the next memory chunk in the queue. It is not removed from the queue */
int pa_memblockq_peek(struct pa_memblockq* bq, struct pa_memchunk *chunk);
/* Drop the specified bytes from the queue, only valid aufter pa_memblockq_peek() */
void pa_memblockq_drop(struct pa_memblockq *bq, const struct pa_memchunk *chunk, size_t length);
/* Drop the specified bytes from the queue */
void pa_memblockq_drop(struct pa_memblockq *bq, size_t length);
void pa_memblockq_skip(struct pa_memblockq *bq, size_t length);
/* Shorten the pa_memblockq to the specified length by dropping data at the end of the queue */
void pa_memblockq_shorten(struct pa_memblockq *bq, size_t length);
@ -68,9 +71,6 @@ int pa_memblockq_is_readable(struct pa_memblockq *bq);
/* Test if the pa_memblockq is currently writable for the specified amount of bytes */
int pa_memblockq_is_writable(struct pa_memblockq *bq, size_t length);
/* The time memory chunks stay in the queue until they are removed completely in usecs */
uint32_t pa_memblockq_get_delay(struct pa_memblockq *bq);
/* Return the length of the queue in bytes */
uint32_t pa_memblockq_get_length(struct pa_memblockq *bq);
@ -83,4 +83,10 @@ uint32_t pa_memblockq_get_minreq(struct pa_memblockq *bq);
/* Force disabling of pre-buf even when the pre-buffer is not yet filled */
void pa_memblockq_prebuf_disable(struct pa_memblockq *bq);
/* Manipulate the write pointer */
void pa_memblockq_seek(struct pa_memblockq *bq, size_t delta);
/* Flush the queue */
void pa_memblockq_flush(struct pa_memblockq *bq);
#endif