mirror of
https://gitlab.freedesktop.org/pipewire/pipewire
synced 2024-09-30 05:05:27 +00:00
spa examples: Load plugins from SPA_PLUGIN_DIR or installed path
This lets them be used installed or uninstalled, like pipewire itself. Signed-off-by: Simon McVittie <smcv@debian.org>
This commit is contained in:
parent
cecbe8ff17
commit
8b97d2ae74
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@ -22,6 +22,9 @@
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <math.h>
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#include <string.h>
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#include <stdio.h>
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@ -59,6 +62,7 @@ struct buffer {
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};
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struct data {
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const char *plugin_dir;
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struct spa_log *log;
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struct spa_system *system;
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struct spa_loop *loop;
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@ -95,11 +99,17 @@ static int load_handle(struct data *data, struct spa_handle **handle, const char
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void *hnd;
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spa_handle_factory_enum_func_t enum_func;
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uint32_t i;
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char *path;
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if ((hnd = dlopen(lib, RTLD_NOW)) == NULL) {
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if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL) {
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return -ENOMEM;
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}
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if ((hnd = dlopen(path, RTLD_NOW)) == NULL) {
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printf("can't load %s: %s\n", lib, dlerror());
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free(path);
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return -ENOENT;
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}
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free(path);
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if ((enum_func = dlsym(hnd, SPA_HANDLE_FACTORY_ENUM_FUNC_NAME)) == NULL) {
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printf("can't find enum function\n");
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return -ENOENT;
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@ -137,6 +147,10 @@ int init_data(struct data *data)
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struct spa_handle *handle = NULL;
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void *iface;
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if ((str = getenv("SPA_PLUGIN_DIR")) == NULL)
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str = PLUGINDIR;
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data->plugin_dir = str;
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/* init the graph */
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spa_graph_init(&data->graph, &data->graph_state);
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@ -146,7 +160,7 @@ int init_data(struct data *data)
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/* load and set support system */
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if ((res = load_handle(data, &handle,
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"build/spa/plugins/support/libspa-support.so",
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"support/libspa-support.so",
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SPA_NAME_SUPPORT_SYSTEM)) < 0)
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return res;
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if ((res = spa_handle_get_interface(handle, SPA_TYPE_INTERFACE_System, &iface)) < 0) {
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@ -159,7 +173,7 @@ int init_data(struct data *data)
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/* load and set support loop and loop control */
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if ((res = load_handle(data, &handle,
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"build/spa/plugins/support/libspa-support.so",
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"support/libspa-support.so",
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SPA_NAME_SUPPORT_LOOP)) < 0)
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return res;
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@ -190,11 +204,17 @@ static int make_node(struct data *data, struct spa_node **node, const char *lib,
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void *hnd;
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spa_handle_factory_enum_func_t enum_func;
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uint32_t i;
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char *path;
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if ((hnd = dlopen(lib, RTLD_NOW)) == NULL) {
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if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL) {
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return -ENOMEM;
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}
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if ((hnd = dlopen(path, RTLD_NOW)) == NULL) {
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printf("can't load %s: %s\n", lib, dlerror());
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free(path);
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return -ENOENT;
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}
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free(path);
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if ((enum_func = dlsym(hnd, SPA_HANDLE_FACTORY_ENUM_FUNC_NAME)) == NULL) {
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printf("can't find enum function\n");
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return -ENOENT;
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@ -269,7 +289,7 @@ static int make_nodes(struct data *data, const char *device)
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/* make the source node (audiotestsrc) */
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if ((res = make_node(data, &data->source_follower_node,
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"build/spa/plugins/audiotestsrc/libspa-audiotestsrc.so",
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"audiotestsrc/libspa-audiotestsrc.so",
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"audiotestsrc",
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NULL)) < 0) {
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printf("can't create source follower node (audiotestsrc): %d\n", res);
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@ -294,7 +314,7 @@ static int make_nodes(struct data *data, const char *device)
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snprintf(value, sizeof(value), "pointer:%p", data->source_follower_node);
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items[0] = SPA_DICT_ITEM_INIT("audio.adapt.follower", value);
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if ((res = make_node(data, &data->source_node,
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"build/spa/plugins/audioconvert/libspa-audioconvert.so",
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"audioconvert/libspa-audioconvert.so",
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SPA_NAME_AUDIO_ADAPT,
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&SPA_DICT_INIT(items, 1))) < 0) {
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printf("can't create source adapter node: %d\n", res);
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@ -333,7 +353,7 @@ static int make_nodes(struct data *data, const char *device)
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/* make the sink follower node (alsa-pcm-sink) */
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if ((res = make_node(data, &data->sink_follower_node,
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"build/spa/plugins/alsa/libspa-alsa.so",
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"alsa/libspa-alsa.so",
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SPA_NAME_API_ALSA_PCM_SINK,
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NULL)) < 0) {
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printf("can't create sink follower node (alsa-pcm-sink): %d\n", res);
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@ -344,7 +364,7 @@ static int make_nodes(struct data *data, const char *device)
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snprintf(value, sizeof(value), "pointer:%p", data->sink_follower_node);
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items[0] = SPA_DICT_ITEM_INIT("audio.adapt.follower", value);
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if ((res = make_node(data, &data->sink_node,
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"build/spa/plugins/audioconvert/libspa-audioconvert.so",
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"audioconvert/libspa-audioconvert.so",
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SPA_NAME_AUDIO_ADAPT,
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&SPA_DICT_INIT(items, 1))) < 0) {
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printf("can't create sink adapter node: %d\n", res);
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@ -22,6 +22,8 @@
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <math.h>
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#include <string.h>
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#include <stdio.h>
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@ -63,6 +65,7 @@ struct buffer {
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};
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struct data {
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const char *plugin_dir;
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struct spa_log *log;
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struct spa_system *system;
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struct spa_loop *loop;
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@ -141,11 +144,17 @@ static int make_node(struct data *data, struct spa_node **node, const char *lib,
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void *hnd;
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spa_handle_factory_enum_func_t enum_func;
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uint32_t i;
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char *path;
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if ((hnd = dlopen(lib, RTLD_NOW)) == NULL) {
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if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL) {
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return -ENOMEM;
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}
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if ((hnd = dlopen(path, RTLD_NOW)) == NULL) {
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printf("can't load %s: %s\n", lib, dlerror());
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free(path);
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return -ENOENT;
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}
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free(path);
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if ((enum_func = dlsym(hnd, SPA_HANDLE_FACTORY_ENUM_FUNC_NAME)) == NULL) {
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printf("can't find enum function\n");
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return -ENOENT;
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@ -256,7 +265,7 @@ static int make_nodes(struct data *data, const char *device)
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//uint32_t idx;
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if ((res = make_node(data, &data->sink,
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"build/spa/plugins/alsa/libspa-alsa.so",
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"alsa/libspa-alsa.so",
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SPA_NAME_API_ALSA_PCM_SINK)) < 0) {
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printf("can't create alsa-sink: %d\n", res);
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return res;
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@ -275,7 +284,7 @@ static int make_nodes(struct data *data, const char *device)
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printf("got set_props error %d\n", res);
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if ((res = make_node(data, &data->source,
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"build/spa/plugins/audiotestsrc/libspa-audiotestsrc.so",
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"audiotestsrc/libspa-audiotestsrc.so",
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"audiotestsrc")) < 0) {
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printf("can't create audiotestsrc: %d\n", res);
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return res;
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@ -421,11 +430,17 @@ static int load_handle(struct data *data, struct spa_handle **handle, const char
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void *hnd;
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spa_handle_factory_enum_func_t enum_func;
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uint32_t i;
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char *path;
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if ((hnd = dlopen(lib, RTLD_NOW)) == NULL) {
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if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL) {
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return -ENOMEM;
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}
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if ((hnd = dlopen(path, RTLD_NOW)) == NULL) {
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printf("can't load %s: %s\n", lib, dlerror());
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free(path);
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return -ENOENT;
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}
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free(path);
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if ((enum_func = dlsym(hnd, SPA_HANDLE_FACTORY_ENUM_FUNC_NAME)) == NULL) {
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printf("can't find enum function\n");
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return -ENOENT;
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@ -463,6 +478,10 @@ int init_data(struct data *data)
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struct spa_handle *handle = NULL;
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void *iface;
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if ((str = getenv("SPA_PLUGIN_DIR")) == NULL)
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str = PLUGINDIR;
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data->plugin_dir = str;
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/* init the graph */
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spa_graph_init(&data->graph, &data->graph_state);
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@ -472,7 +491,7 @@ int init_data(struct data *data)
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/* load and set support system */
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if ((res = load_handle(data, &handle,
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"build/spa/plugins/support/libspa-support.so",
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"support/libspa-support.so",
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SPA_NAME_SUPPORT_SYSTEM)) < 0)
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return res;
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if ((res = spa_handle_get_interface(handle, SPA_TYPE_INTERFACE_System, &iface)) < 0) {
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@ -485,7 +504,7 @@ int init_data(struct data *data)
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/* load and set support loop and loop control */
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if ((res = load_handle(data, &handle,
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"build/spa/plugins/support/libspa-support.so",
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"support/libspa-support.so",
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SPA_NAME_SUPPORT_LOOP)) < 0)
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return res;
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@ -24,6 +24,9 @@
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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static SPA_LOG_IMPL(default_log);
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#define PATH "build/spa/plugins/"
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#define MAX_BUFFERS 8
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#define USE_BUFFER false
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};
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struct data {
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const char *plugin_dir;
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struct spa_log *log;
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struct spa_system *system;
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struct spa_loop *loop;
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@ -103,10 +105,17 @@ static int load_handle(struct data *data, struct spa_handle **handle, const char
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spa_handle_factory_enum_func_t enum_func;
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uint32_t i;
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if ((hnd = dlopen(lib, RTLD_NOW)) == NULL) {
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printf("can't load %s: %s\n", lib, dlerror());
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char *path = NULL;
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if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL) {
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return -ENOMEM;
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}
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if ((hnd = dlopen(path, RTLD_NOW)) == NULL) {
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printf("can't load %s: %s\n", path, dlerror());
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free(path);
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return -errno;
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}
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free(path);
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if ((enum_func = dlsym(hnd, SPA_HANDLE_FACTORY_ENUM_FUNC_NAME)) == NULL) {
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printf("can't find enum function\n");
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return -errno;
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@ -245,7 +254,7 @@ static int make_nodes(struct data *data, const char *device)
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if ((res =
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make_node(data, &data->source,
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PATH "libcamera/libspa-libcamera.so",
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"libcamera/libspa-libcamera.so",
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SPA_NAME_API_LIBCAMERA_SOURCE)) < 0) {
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printf("can't create libcamera-source: %d\n", res);
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return res;
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@ -472,8 +481,12 @@ int main(int argc, char *argv[])
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struct spa_handle *handle = NULL;
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void *iface;
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if ((str = getenv("SPA_PLUGIN_DIR")) == NULL)
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str = PLUGINDIR;
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data.plugin_dir = str;
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if ((res = load_handle(&data, &handle,
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PATH "support/libspa-support.so",
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"support/libspa-support.so",
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SPA_NAME_SUPPORT_SYSTEM)) < 0)
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return res;
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@ -485,7 +498,7 @@ int main(int argc, char *argv[])
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data.support[data.n_support++] = SPA_SUPPORT_INIT(SPA_TYPE_INTERFACE_System, data.system);
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if ((res = load_handle(&data, &handle,
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PATH "support/libspa-support.so",
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"support/libspa-support.so",
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SPA_NAME_SUPPORT_LOOP)) < 0)
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return res;
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@ -22,6 +22,8 @@
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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static SPA_LOG_IMPL(default_log);
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#define PATH "build/spa/plugins/"
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#define MAX_BUFFERS 8
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struct buffer {
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@ -63,6 +63,7 @@ struct buffer {
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};
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struct data {
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const char *plugin_dir;
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struct spa_log *log;
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struct spa_system *system;
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struct spa_loop *loop;
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@ -95,11 +96,17 @@ static int load_handle(struct data *data, struct spa_handle **handle, const char
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void *hnd;
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spa_handle_factory_enum_func_t enum_func;
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uint32_t i;
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char *path = NULL;
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if ((hnd = dlopen(lib, RTLD_NOW)) == NULL) {
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printf("can't load %s: %s\n", lib, dlerror());
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if ((path = spa_aprintf("%s/%s", data->plugin_dir, lib)) == NULL) {
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return -ENOMEM;
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}
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if ((hnd = dlopen(path, RTLD_NOW)) == NULL) {
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printf("can't load %s: %s\n", path, dlerror());
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free(path);
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return -ENOENT;
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}
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free(path);
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if ((enum_func = dlsym(hnd, SPA_HANDLE_FACTORY_ENUM_FUNC_NAME)) == NULL) {
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printf("can't find enum function\n");
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return -ENOENT;
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@ -240,7 +247,7 @@ static int make_nodes(struct data *data, const char *device)
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if ((res =
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make_node(data, &data->source,
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PATH "v4l2/libspa-v4l2.so",
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"v4l2/libspa-v4l2.so",
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SPA_NAME_API_V4L2_SOURCE)) < 0) {
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printf("can't create v4l2-source: %d\n", res);
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return res;
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struct spa_handle *handle = NULL;
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void *iface;
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if ((str = getenv("SPA_PLUGIN_DIR")) == NULL)
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str = PLUGINDIR;
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data.plugin_dir = str;
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if ((res = load_handle(&data, &handle,
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PATH "support/libspa-support.so",
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"support/libspa-support.so",
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SPA_NAME_SUPPORT_SYSTEM)) < 0)
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return res;
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@ -478,7 +489,7 @@ int main(int argc, char *argv[])
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data.support[data.n_support++] = SPA_SUPPORT_INIT(SPA_TYPE_INTERFACE_System, data.system);
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if ((res = load_handle(&data, &handle,
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PATH "support/libspa-support.so",
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"support/libspa-support.so",
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SPA_NAME_SUPPORT_LOOP)) < 0)
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return res;
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@ -1,23 +1,27 @@
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if sdl_dep.found()
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executable('local-v4l2', 'local-v4l2.c',
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include_directories : [spa_inc ],
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include_directories : [configinc, spa_inc],
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c_args : ['-D_GNU_SOURCE'],
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dependencies : [dl_lib, sdl_dep, pthread_lib],
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install : false)
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if get_option('libcamera') and libcamera_dep.found()
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executable('local-libcamera', 'local-libcamera.c',
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include_directories : [spa_inc ],
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include_directories : [configinc, spa_inc],
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c_args : ['-D_GNU_SOURCE'],
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dependencies : [dl_lib, sdl_dep, pthread_lib, libcamera_dep],
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install : false)
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endif
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endif
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executable('example-control', 'example-control.c',
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include_directories : [spa_inc ],
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include_directories : [configinc, spa_inc],
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c_args : ['-D_GNU_SOURCE'],
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dependencies : [dl_lib, pthread_lib, mathlib],
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install : false)
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executable('adapter-control', 'adapter-control.c',
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include_directories : [spa_inc ],
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include_directories : [configinc, spa_inc],
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c_args : ['-D_GNU_SOURCE'],
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dependencies : [dl_lib, pthread_lib, mathlib],
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install : false)
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