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author | Timo Dritschler <timo.dritschler@kit.edu> | 2015-06-16 17:25:08 +0200 |
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committer | Timo Dritschler <timo.dritschler@kit.edu> | 2015-06-16 17:25:08 +0200 |
commit | fa417b373e93903c8c41cdfd800a0311bc495e15 (patch) | |
tree | e262fea43ded5eaf69b2cf98e4ccee9c05173cd4 /src/kiro-sb.h | |
parent | 9ea244a2a7a52495bf033dd9f1cca7c865baf200 (diff) | |
download | kiro-fa417b373e93903c8c41cdfd800a0311bc495e15.tar.gz kiro-fa417b373e93903c8c41cdfd800a0311bc495e15.tar.bz2 kiro-fa417b373e93903c8c41cdfd800a0311bc495e15.tar.xz kiro-fa417b373e93903c8c41cdfd800a0311bc495e15.zip |
Highlights:
- KiroSb: Added kiro_sb_get_dma_pointer interface
Diffstat (limited to 'src/kiro-sb.h')
-rw-r--r-- | src/kiro-sb.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/kiro-sb.h b/src/kiro-sb.h index a2b8604..32f1a48 100644 --- a/src/kiro-sb.h +++ b/src/kiro-sb.h @@ -340,6 +340,31 @@ gboolean kiro_sb_push (KiroSb *sb, void *data); */ void* kiro_sb_push_dma (KiroSb *sb); +/** + * kiro_sb_get_dma_pointer: + * @sb: (transfer none) The #KiroSb to get the data from + * + * Returns a pointer where the next element will be stored. + * This operation is only valid for a 'serving' #KiroSb. Calling this + * function on a 'cloning' #KiroSb will allways return a %NULL pointer. + * + * Returns: (transfer none) (type gulong): + * A pointer to the memory where the next element will be stored + * Note: + * This function can be used to preemtively write data to the @sb without + * advancing the internal buffer (no remote sync will occur). It is the users + * responsibility to ensure no more data is written to the pointed memory then + * was specified with the initial call to kiro_sb_serve or returned by + * kiro_sb_get_size. Under no circumstances might the returned pointer be + * freed by the user. Once the element has been written, you can use + * kiro_sb_push_dma() to advance the buffer, making the remote side aware of + * the new element. + * See also: + * kiro_sb_get_size, kiro_sb_serve + * + * Since: 1.3 + */ +void* kiro_sb_get_dma_pointer (KiroSb *sb); G_END_DECLS |