mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-07 13:30:09 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

buffer: add DYNAMIC data flag

Browse source 
Add a flag to mark when a buffer data pointer can change.
Improve docs for port flags
This commit is contained in:
Wim Taymans 2019-03-21 10:38:21 +01:00
parent 0505f2dc98
commit df5c81e3be
2 changed files with 9 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

3
spa/include/spa/buffer/buffer.h
View file

@ -62,7 +62,8 @@ struct spa_chunk {
struct spa_data { struct spa_data {
uint32_t type; /**< memory type, one of enum spa_data_type */ uint32_t type; /**< memory type, one of enum spa_data_type */
#define SPA_DATA_FLAG_NONE 0 #define SPA_DATA_FLAG_NONE 0
#define SPA_DATA_FLAG_CORRUPTED (1<<0) /**< data is corrupted in some way */ #define SPA_DATA_FLAG_CORRUPTED (1u<<0) /**< data is corrupted in some way */
#define SPA_DATA_FLAG_DYNAMIC (1u<<1) /**< data pointer can be changed */
uint32_t flags; /**< data flags */ uint32_t flags; /**< data flags */
int64_t fd; /**< optional fd for data */ int64_t fd; /**< optional fd for data */
uint32_t mapoffset; /**< offset to map fd at */ uint32_t mapoffset; /**< offset to map fd at */

9
spa/include/spa/node/node.h
View file

@ -85,14 +85,19 @@ struct spa_port_info {
#define SPA_PORT_FLAG_CAN_USE_BUFFERS (1u<<3) /**< the port can use a provided buffer */ #define SPA_PORT_FLAG_CAN_USE_BUFFERS (1u<<3) /**< the port can use a provided buffer */
#define SPA_PORT_FLAG_IN_PLACE (1u<<4) /**< the port can process data in-place and #define SPA_PORT_FLAG_IN_PLACE (1u<<4) /**< the port can process data in-place and
* will need a writable input buffer */ * will need a writable input buffer */
#define SPA_PORT_FLAG_NO_REF (1u<<5) /**< the port does not keep a ref on the buffer */ #define SPA_PORT_FLAG_NO_REF (1u<<5) /**< the port does not keep a ref on the buffer.
* This means the node will always completely
* consume the input buffer and it will be
* recycled after process. */
#define SPA_PORT_FLAG_LIVE (1u<<6) /**< output buffers from this port are #define SPA_PORT_FLAG_LIVE (1u<<6) /**< output buffers from this port are
* timestamped against a live clock. */ * timestamped against a live clock. */
#define SPA_PORT_FLAG_PHYSICAL (1u<<7) /**< connects to some device */ #define SPA_PORT_FLAG_PHYSICAL (1u<<7) /**< connects to some device */
#define SPA_PORT_FLAG_TERMINAL (1u<<8) /**< data was not created from this port #define SPA_PORT_FLAG_TERMINAL (1u<<8) /**< data was not created from this port
* or will not be made available on another * or will not be made available on another
* port */ * port */
#define SPA_PORT_FLAG_DYNAMIC_DATA (1u<<9) /**< data pointer on buffers can be changed */ #define SPA_PORT_FLAG_DYNAMIC_DATA (1u<<9) /**< data pointer on buffers can be changed.
* Only the buffer data marked as DYNAMIC
* can be changed. */
uint64_t flags; /**< port flags */ uint64_t flags; /**< port flags */
struct spa_fraction rate; /**< rate of sequence numbers on port */ struct spa_fraction rate; /**< rate of sequence numbers on port */
const struct spa_dict *props; /**< extra port properties */ const struct spa_dict *props; /**< extra port properties */