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seq: rework port handling

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Dynamically allocate ports as we need them.
Use port lists to iterate active ports.
This commit is contained in:
Wim Taymans 2025-07-30 17:32:02 +02:00
parent 8f45cfcbc9
commit 6d07eaea1f
3 changed files with 102 additions and 71 deletions
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16
spa/plugins/alsa/alsa-seq.h
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@ -53,6 +53,8 @@ struct buffer {
};
struct seq_port {
struct spa_list link;
uint32_t id;
enum spa_direction direction;
snd_seq_addr_t addr;
@ -82,18 +84,21 @@ struct seq_port {
struct spa_audio_info current_format;
unsigned int have_format:1;
unsigned int valid:1;
unsigned int active:1;
struct spa_latency_info latency[2];
unsigned int mixing:1;
struct spa_list mix_link;
};
struct seq_stream {
enum spa_direction direction;
unsigned int caps;
snd_midi_event_t *codec;
struct seq_port ports[MAX_PORTS];
uint32_t last_port;
struct seq_port *ports[MAX_PORTS];
struct spa_list port_list;
struct spa_list mix_list;
};
struct seq_conn {
@ -159,17 +164,18 @@ struct seq_state {
unsigned int ump:1;
struct seq_stream streams[2];
struct spa_list free_list;
struct spa_dll dll;
};
#define VALID_DIRECTION(this,d) ((d) == SPA_DIRECTION_INPUT || (d) == SPA_DIRECTION_OUTPUT)
#define VALID_PORT(this,d,p) ((p) < MAX_PORTS && this->streams[d].ports[p].id == (p))
#define VALID_PORT(this,d,p) ((p) < MAX_PORTS && this->streams[d].ports[p] != NULL)
#define CHECK_IN_PORT(this,d,p) ((d) == SPA_DIRECTION_INPUT && VALID_PORT(this,d,p))
#define CHECK_OUT_PORT(this,d,p) ((d) == SPA_DIRECTION_OUTPUT && VALID_PORT(this,d,p))
#define CHECK_PORT(this,d,p) (VALID_DIRECTION(this,d) && VALID_PORT(this,d,p))
#define GET_PORT(this,d,p) (&this->streams[d].ports[p])
#define GET_PORT(this,d,p) (this->streams[d].ports[p])
int spa_alsa_seq_open(struct seq_state *state);
int spa_alsa_seq_close(struct seq_state *state);