fate/api: test threadmessage

2 files changed, 262 insertions, 0 deletions

diff --git a/tests/api/Makefile b/tests/api/Makefile
index a6d8e42b66..d83ac24bbc 100644
--- a/tests/api/Makefile
+++ b/tests/api/Makefile
@@ -3,6 +3,7 @@ APITESTPROGS-$(call DEMDEC, H264, H264) += api-h264
 APITESTPROGS-yes += api-seek
 APITESTPROGS-yes += api-codec-param
 APITESTPROGS-$(call DEMDEC, H263, H263) += api-band
+APITESTPROGS-$(HAVE_PTHREADS) += api-threadmessage
 APITESTPROGS += $(APITESTPROGS-yes)
 
 APITESTOBJS  := $(APITESTOBJS:%=$(APITESTSDIR)%) $(APITESTPROGS:%=$(APITESTSDIR)/%-test.o)
diff --git a/tests/api/api-threadmessage-test.c b/tests/api/api-threadmessage-test.c
new file mode 100644
index 0000000000..c78af2a1d5
--- /dev/null
+++ b/tests/api/api-threadmessage-test.c
@@ -0,0 +1,261 @@
+/*
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * Thread message API test
+ */
+
+#include <pthread.h>
+
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/frame.h"
+#include "libavutil/threadmessage.h"
+
+struct sender_data {
+    int id;
+    pthread_t tid;
+    int workload;
+    AVThreadMessageQueue *queue;
+};
+
+/* same as sender_data but shuffled for testing purpose */
+struct receiver_data {
+    pthread_t tid;
+    int workload;
+    int id;
+    AVThreadMessageQueue *queue;
+};
+
+struct message {
+    AVFrame *frame;
+    // we add some junk in the message to make sure the message size is >
+    // sizeof(void*)
+    int magic;
+};
+
+#define MAGIC 0xdeadc0de
+
+static void free_frame(void *arg)
+{
+    struct message *msg = arg;
+    av_assert0(msg->magic == MAGIC);
+    av_frame_free(&msg->frame);
+}
+
+static void *sender_thread(void *arg)
+{
+    int i, ret = 0;
+    struct sender_data *wd = arg;
+
+    av_log(NULL, AV_LOG_INFO, "sender #%d: workload=%d\n", wd->id, wd->workload);
+    for (i = 0; i < wd->workload; i++) {
+        if (rand() % wd->workload < wd->workload / 10) {
+            av_log(NULL, AV_LOG_INFO, "sender #%d: flushing the queue\n", wd->id);
+            av_thread_message_flush(wd->queue);
+        } else {
+            char *val;
+            AVDictionary *meta = NULL;
+            struct message msg = {
+                .magic = MAGIC,
+                .frame = av_frame_alloc(),
+            };
+
+            if (!msg.frame) {
+                ret = AVERROR(ENOMEM);
+                break;
+            }
+
+            /* we add some metadata to identify the frames */
+            val = av_asprintf("frame %d/%d from sender %d",
+                              i + 1, wd->workload, wd->id);
+            if (!val) {
+                av_frame_free(&msg.frame);
+                ret = AVERROR(ENOMEM);
+                break;
+            }
+            ret = av_dict_set(&meta, "sig", val, AV_DICT_DONT_STRDUP_VAL);
+            if (ret < 0) {
+                av_frame_free(&msg.frame);
+                break;
+            }
+            av_frame_set_metadata(msg.frame, meta);
+
+            /* allocate a real frame in order to simulate "real" work */
+            msg.frame->format = AV_PIX_FMT_RGBA;
+            msg.frame->width  = 320;
+            msg.frame->height = 240;
+            ret = av_frame_get_buffer(msg.frame, 32);
+            if (ret < 0) {
+                av_frame_free(&msg.frame);
+                break;
+            }
+
+            /* push the frame in the common queue */
+            av_log(NULL, AV_LOG_INFO, "sender #%d: sending my work (%d/%d frame:%p)\n",
+                   wd->id, i + 1, wd->workload, msg.frame);
+            ret = av_thread_message_queue_send(wd->queue, &msg, 0);
+            if (ret < 0) {
+                av_frame_free(&msg.frame);
+                break;
+            }
+        }
+    }
+    av_log(NULL, AV_LOG_INFO, "sender #%d: my work is done here (%s)\n",
+           wd->id, av_err2str(ret));
+    av_thread_message_queue_set_err_recv(wd->queue, ret < 0 ? ret : AVERROR_EOF);
+    return NULL;
+}
+
+static void *receiver_thread(void *arg)
+{
+    int i, ret = 0;
+    struct receiver_data *rd = arg;
+
+    for (i = 0; i < rd->workload; i++) {
+        if (rand() % rd->workload < rd->workload / 10) {
+            av_log(NULL, AV_LOG_INFO, "receiver #%d: flushing the queue\n", rd->id);
+            av_thread_message_flush(rd->queue);
+        } else {
+            struct message msg;
+            AVDictionary *meta;
+            AVDictionaryEntry *e;
+
+            ret = av_thread_message_queue_recv(rd->queue, &msg, 0);
+            if (ret < 0)
+                break;
+            av_assert0(msg.magic == MAGIC);
+            meta = av_frame_get_metadata(msg.frame);
+            e = av_dict_get(meta, "sig", NULL, 0);
+            av_log(NULL, AV_LOG_INFO, "got \"%s\" (%p)\n", e->value, msg.frame);
+            av_frame_free(&msg.frame);
+        }
+    }
+
+    av_log(NULL, AV_LOG_INFO, "consumed enough (%d), stop\n", i);
+    av_thread_message_queue_set_err_send(rd->queue, ret < 0 ? ret : AVERROR_EOF);
+
+    return NULL;
+}
+
+static int get_workload(int minv, int maxv)
+{
+    return maxv == minv ? maxv : rand() % (maxv - minv) + minv;
+}
+
+int main(int ac, char **av)
+{
+    int i, ret = 0;
+    int max_queue_size;
+    int nb_senders, sender_min_load, sender_max_load;
+    int nb_receivers, receiver_min_load, receiver_max_load;
+    struct sender_data *senders;
+    struct receiver_data *receivers;
+    AVThreadMessageQueue *queue = NULL;
+
+    if (ac != 8) {
+        av_log(NULL, AV_LOG_ERROR, "%s <max_queue_size> "
+               "<nb_senders> <sender_min_send> <sender_max_send> "
+               "<nb_receivers> <receiver_min_recv> <receiver_max_recv>\n", av[0]);
+        return 1;
+    }
+
+    max_queue_size    = atoi(av[1]);
+    nb_senders        = atoi(av[2]);
+    sender_min_load   = atoi(av[3]);
+    sender_max_load   = atoi(av[4]);
+    nb_receivers      = atoi(av[5]);
+    receiver_min_load = atoi(av[6]);
+    receiver_max_load = atoi(av[7]);
+
+    if (max_queue_size <= 0 ||
+        nb_senders <= 0 || sender_min_load <= 0 || sender_max_load <= 0 ||
+        nb_receivers <= 0 || receiver_min_load <= 0 || receiver_max_load <= 0) {
+        av_log(NULL, AV_LOG_ERROR, "negative values not allowed\n");
+        return 1;
+    }
+
+    av_log(NULL, AV_LOG_INFO, "qsize:%d / %d senders sending [%d-%d] / "
+           "%d receivers receiving [%d-%d]\n", max_queue_size,
+           nb_senders, sender_min_load, sender_max_load,
+           nb_receivers, receiver_min_load, receiver_max_load);
+
+    senders = av_mallocz_array(nb_senders, sizeof(*senders));
+    receivers = av_mallocz_array(nb_receivers, sizeof(*receivers));
+    if (!senders || !receivers) {
+        ret = AVERROR(ENOMEM);
+        goto end;
+    }
+
+    ret = av_thread_message_queue_alloc(&queue, max_queue_size, sizeof(struct message));
+    if (ret < 0)
+        goto end;
+
+    av_thread_message_queue_set_free_func(queue, free_frame);
+
+#define SPAWN_THREADS(type) do {                                                \
+    for (i = 0; i < nb_##type##s; i++) {                                        \
+        struct type##_data *td = &type##s[i];                                   \
+                                                                                \
+        td->id = i;                                                             \
+        td->queue = queue;                                                      \
+        td->workload = get_workload(type##_min_load, type##_max_load);          \
+                                                                                \
+        ret = pthread_create(&td->tid, NULL, type##_thread, td);                \
+        if (ret) {                                                              \
+            const int err = AVERROR(ret);                                       \
+            av_log(NULL, AV_LOG_ERROR, "Unable to start " AV_STRINGIFY(type)    \
+                   " thread: %s\n", av_err2str(err));                           \
+            goto end;                                                           \
+        }                                                                       \
+    }                                                                           \
+} while (0)
+
+#define WAIT_THREADS(type) do {                                                 \
+    for (i = 0; i < nb_##type##s; i++) {                                        \
+        struct type##_data *td = &type##s[i];                                   \
+                                                                                \
+        ret = pthread_join(td->tid, NULL);                                      \
+        if (ret) {                                                              \
+            const int err = AVERROR(ret);                                       \
+            av_log(NULL, AV_LOG_ERROR, "Unable to join " AV_STRINGIFY(type)     \
+                   " thread: %s\n", av_err2str(err));                           \
+            goto end;                                                           \
+        }                                                                       \
+    }                                                                           \
+} while (0)
+
+    SPAWN_THREADS(receiver);
+    SPAWN_THREADS(sender);
+
+    WAIT_THREADS(sender);
+    WAIT_THREADS(receiver);
+
+end:
+    av_thread_message_queue_free(&queue);
+    av_freep(&senders);
+    av_freep(&receivers);
+
+    if (ret < 0 && ret != AVERROR_EOF) {
+        av_log(NULL, AV_LOG_ERROR, "Error: %s\n", av_err2str(ret));
+        return 1;
+    }
+    return 0;
+}