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@@ -1,3 +1,4 @@
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+#define _BSD_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@@ -10,15 +11,25 @@
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#include <sys/time.h>
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#include <fastwriter.h>
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-#include <ufo/ufo-graph.h>
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+
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+#ifdef USE_UFO_GENERATOR
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+# include <ufo/ufo-graph.h>
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+#endif /* USE_UFO_GENERATOR */
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#include "config.h"
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+//#define USE_FIFO
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#define FW_BUFFER 4096l
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#define WRITE_INTERVAL 1
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#define WRITE_SUMMARY 5
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+#define DELTA_TOLERANCE 5
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#define NEWFILE 10
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+#ifdef USE_UFO_GENERATOR
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+# ifndef USE_FIFO
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+# define USE_FIFO
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+# endif /* !USE_FIFO */
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+#endif /* USE_UFO_GENERATOR */
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#define run_time 3600
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const char *fifo_name = ".fifo";
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@@ -28,47 +39,74 @@ struct setup_s {
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size_t height;
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size_t bpp;
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size_t fps;
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-
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+
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size_t iters;
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volatile int run_started;
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+
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+ struct timeval tv_started;
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+ struct timeval tv_last_written;
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+
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+ int broken_frame;
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+ unsigned long frames, lost;
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+ unsigned long last_frames, last_lost;
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+
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+ size_t frame_size;
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+ size_t num_read;
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+ size_t buf_max;
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+
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+ size_t writeouts;
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+
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+ fastwriter_t *fw;
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};
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typedef struct setup_s setup_t;
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-void handle_error(GError *error) {
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+
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+#ifdef USE_UFO_GENERATOR
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+static void handle_error(GError *error) {
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if (error != NULL) {
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g_print("%s\n", error->message);
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g_error_free(error);
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exit(EXIT_FAILURE);
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}
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}
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+#endif /* USE_UFO_GENERATOR */
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-void set_speed(setup_t *setup, size_t speed) {
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+
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+static void set_dim(setup_t *setup, size_t width, size_t height) {
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setup->bpp = sizeof(float);
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- setup->width = 1024;
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- setup->height = 768;
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+ setup->width = width;
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+ setup->height = height;
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+
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+ setup->frame_size = setup->width * setup->height * setup->bpp;
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+}
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+
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+static void set_speed(setup_t *setup, size_t speed) {
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setup->fps = 1 + speed / setup->width / setup->height / setup->bpp;
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}
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-void set_size(setup_t *setup, size_t size) {
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+static void set_size(setup_t *setup, size_t size) {
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setup->iters = size / setup->width / setup->height / setup->bpp;
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}
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-void set_time(setup_t *setup, size_t time) {
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+static void set_time(setup_t *setup, size_t time) {
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setup->iters = time * setup->fps;
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}
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+static int callback(setup_t *s, size_t result, void *buffer);
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+
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static void *run(setup_t *setup) {
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+#ifdef USE_UFO_GENERATOR
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GError *error = NULL;
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UfoGraph *graph = NULL;
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/* If you want to use system-wide installed filters:
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* graph = ufo_graph_new(); */
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graph = g_object_new(UFO_TYPE_GRAPH,
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-#ifdef METABALLS_PATH
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+# ifdef METABALLS_PATH
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"paths", METABALLS_PATH,
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-#endif /* METABALLS_PATH */
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+# endif /* METABALLS_PATH */
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NULL);
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// printf("%lu %lu %lu %lu\n", setup->width, setup->height, setup->iters, setup->width * setup->height * setup->iters * sizeof(float));
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@@ -92,46 +130,158 @@ static void *run(setup_t *setup) {
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handle_error(error);
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setup->run_started = 1;
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+
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ufo_graph_run(graph, &error);
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handle_error(error);
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+#else /* USE_UFO_GENERATOR */
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+ size_t i;
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+ struct timeval tv;
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+ size_t size = setup->width * setup->height * setup->bpp;
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+ char buffer[size];
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+ double interval = 1000000. / setup->fps, nextus;
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+ ssize_t tmp;
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+ size_t nexts;
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+ setup->run_started = 1;
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-// g_print("Wrote %lu bytes\n", width * height * num_iterations * sizeof(float));
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+#ifdef USE_FIFO
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+ int fd = open(fifo_name, O_WRONLY);
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+ g_assert(fd >= 0);
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+#endif /* USE_FIFO */
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+
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+ gettimeofday(&tv, NULL);
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+ nexts = tv.tv_sec;
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+ nextus = tv.tv_usec + interval;
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+ for (i = 0; i < setup->iters; i++) {
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+#ifdef USE_FIFO
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+ ssize_t res = write(fd, buffer, size);
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+ g_assert(res == size);
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+#else /* USE_FIFO */
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+ callback(setup, size, buffer);
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+#endif /* USE_FIFO */
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+
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+ tmp = ((size_t)round(nextus)) / 1000000;
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+ nexts += tmp;
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+ nextus -= tmp * 1000000;
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+
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+ gettimeofday(&tv, NULL);
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+ tmp = (nexts - tv.tv_sec)*1000000 + (nextus - tv.tv_usec);
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+ if (tmp > 10) usleep(tmp);
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+
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+ nextus += interval;
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+ }
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+
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+#ifdef USE_FIFO
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+ close(fd);
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+#endif /* USE_FIFO */
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+
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+#endif /* USE_UFO_GENERATOR */
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g_thread_exit(NULL);
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return NULL;
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}
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+static int callback(setup_t *s, size_t result, void *buffer) {
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+ int err;
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+ struct timeval tv;
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+
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+ fastwriter_t *fw = s->fw;
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+ fastwriter_stats_t stats;
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+
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+ size_t duration, last_duration, expected;
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+ long delta;
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+ if (!s->broken_frame) {
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+ err = fastwriter_push(fw, result, buffer);
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+ if (err) {
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+ if (err == EWOULDBLOCK) {
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+ if (s->num_read) fastwriter_cancel(fw);
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+ s->broken_frame = 1;
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+ } else {
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+ if (err) printf("FastWriter returned error %i\n", err);
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+ g_assert(!err);
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+ }
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+ }
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+ }
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+
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+ s->num_read += result;
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+
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+ if (s->num_read < s->frame_size) return 0;
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+
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+ s->num_read = 0;
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+
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+ if (s->broken_frame) {
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+ s->lost++;
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+ s->broken_frame = 0;
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+ } else {
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+ err = fastwriter_commit(fw);
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+ s->frames++;
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+ }
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+
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+ gettimeofday(&tv, NULL);
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+ if (!s->tv_started.tv_sec) {
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+ memcpy(&s->tv_started, &tv, sizeof(struct timeval));
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+ if (s->tv_started.tv_usec >= (1000000 / s->fps))
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+ s->tv_started.tv_usec -= (1000000 / s->fps);
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+ else {
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+ s->tv_started.tv_sec--;
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+ s->tv_started.tv_usec += 1000000 - (1000000 / s->fps);
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+ }
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+ memcpy(&s->tv_last_written, &s->tv_started, sizeof(struct timeval));
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+ }
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+
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+ fastwriter_get_stats(fw, &stats);
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+ if (stats.buffer_used > s->buf_max) s->buf_max = stats.buffer_used;
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+
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+ if ((tv.tv_sec - s->tv_last_written.tv_sec) >= WRITE_INTERVAL) {
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+ last_duration = (tv.tv_sec - s->tv_last_written.tv_sec) * 1000000 + (tv.tv_usec - s->tv_last_written.tv_usec);
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+
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+ printf("Lost %6.2lf%% (% 8lu of % 8lu), %9.3lf GB at %8.3lf MB/s, buf:%6.2lf%%\n", 100.*(s->lost - s->last_lost) / (s->lost + s->frames - s->last_lost - s->last_frames), s->lost - s->last_lost, s->lost + s->frames - (s->last_lost + s->last_frames), 1. * s->frame_size * (s->frames - s->last_frames) / 1024 / 1024 / 1024, 1000000. * s->frame_size * (s->frames - s->last_frames) / last_duration / 1024 / 1024, 100.*s->buf_max/stats.buffer_size);
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+
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+ if (((++s->writeouts)%WRITE_SUMMARY)==0) {
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+ duration = (tv.tv_sec - s->tv_started.tv_sec) * 1000000 + (tv.tv_usec - s->tv_started.tv_usec);
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+ expected = (tv.tv_sec - s->tv_started.tv_sec) * s->fps + round(1.*(tv.tv_usec - s->tv_started.tv_usec)*s->fps/1000000);
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+ delta = expected - s->lost - s->frames;
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+ if ((delta > DELTA_TOLERANCE)||(delta < -DELTA_TOLERANCE))
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+ printf(" *** Unexpected frame rate: %.2lf (%lu), delta: %li (%lu, %lu)\n", 1000000. * (s->frames + s->lost) / duration, s->fps, delta, s->lost + s->frames, expected);
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+
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+ printf("Total %6.2lf%% (% 8lu of % 8lu), %9.3lf GB at %8.3lf MB/s, buf:%6.2lf%%\n", 100. * s->lost / (s->lost + s->frames), s->lost, s->lost + s->frames, 1. * s->frames * s->frame_size / 1024 / 1024 / 1024, 1000000. * s->frames * s->frame_size / duration / 1024 / 1024, 100.*stats.buffer_max / stats.buffer_size);
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+ }
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+
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+ s->buf_max = 0;
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+ memcpy(&s->tv_last_written, &tv, sizeof(struct timeval));
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+ s->last_frames = s->frames;
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+ s->last_lost = s->lost;
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+ }
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+
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+ return 0;
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+}
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+
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int main(int argc, char const* argv[])
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{
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int err;
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+
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+#ifdef USE_FIFO
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GError *gerr;
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GThread *thr;
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+#endif /* USE_FIFO */
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+
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setup_t setup;
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- fastwriter_t *fw;
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- fastwriter_stats_t stats;
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const char *out = "/dev/null";
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+ size_t width = 1024;
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+ size_t height = 768;
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size_t speed = 850;
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- size_t num_read = 0;
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- size_t buf_max = 0;
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-
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- int broken_frame = 0;
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- size_t writeouts = 0;
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- size_t duration, last_duration;
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- struct timeval tv;
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- struct timeval tv_started = {0};
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- struct timeval tv_last_written = {0};
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- unsigned long frames = 0, lost = 0;
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- unsigned long delta, expected;
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- unsigned long last_frames = 0, last_lost = 0;
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-
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+ fastwriter_t *fw;
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+ fastwriter_stats_t stats;
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- g_thread_init(NULL);
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+ g_thread_init(NULL);
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+
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+#ifdef USE_UFO_GENERATOR
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g_type_init();
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+#endif /* USE_UFO_GENERATOR */
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if (argc > 1) {
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out = argv[1];
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@@ -141,30 +291,35 @@ int main(int argc, char const* argv[])
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speed = atoi(argv[2]);
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}
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+#ifdef USE_FIFO
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unlink(fifo_name);
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g_assert(!mkfifo(fifo_name, S_IWUSR | S_IRUSR));
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+#endif /* USE_FIFO */
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fw = fastwriter_init(out, FASTWRITER_FLAGS_OVERWRITE);
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g_assert(fw);
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err = fastwriter_open(fw, out, FASTWRITER_FLAGS_OVERWRITE);
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if (err) printf("FastWriter returned error %i\n", err);
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-
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g_assert(!err);
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fastwriter_set_buffer_size(fw, FW_BUFFER * 1024 * 1024);
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fastwriter_get_stats(fw, &stats);
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- printf("*** Writing to %s, speed: %lu MB/s, buffer: %lu MB\n", out, speed, stats.buffer_size);
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memset(&setup, 0, sizeof(setup_t));
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+
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+ setup.fw = fw;
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+ set_dim(&setup, width, height);
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set_speed(&setup, speed * 1024 * 1024);
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set_size(&setup, run_time * speed * 1024 * 1024);
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- size_t frame_size = setup.width * setup.height * setup.bpp;
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- void *buffer = malloc(frame_size);
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+ printf("*** Writing to %s, rate: %lu, data: %lu MB/s, buffer: %lu MB\n", out, setup.fps, speed, stats.buffer_size);
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+
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+ void *buffer = malloc(setup.frame_size);
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g_assert(buffer);
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+#ifdef USE_FIFO
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thr = g_thread_create((GThreadFunc)run, &setup, 1, &gerr);
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g_assert(thr);
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@@ -173,93 +328,29 @@ int main(int argc, char const* argv[])
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int fd = open(fifo_name, O_RDONLY);
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g_assert(fd);
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- ssize_t result = read(fd, buffer, frame_size);
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+ ssize_t result = read(fd, buffer, setup.frame_size);
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while (result > 0) {
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- if (!broken_frame) {
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- err = fastwriter_push(fw, result, buffer);
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- if (err) {
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- if (err == EWOULDBLOCK) {
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- if (num_read) fastwriter_cancel(fw);
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- broken_frame = 1;
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- } else {
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- if (err) printf("FastWriter returned error %i\n", err);
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- g_assert(!err);
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- }
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- }
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- }
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-
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- num_read += result;
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-
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- if (num_read < frame_size) {
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- result = read(fd, buffer, frame_size - num_read);
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- continue;
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- }
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-
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- gettimeofday(&tv, NULL);
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- if (!tv_started.tv_sec) {
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- memcpy(&tv_started, &tv, sizeof(struct timeval));
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- if (tv_started.tv_usec >= (1000000 / setup.fps))
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- tv_started.tv_usec -= (1000000 / setup.fps);
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- else {
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- tv_started.tv_sec--;
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- tv_started.tv_usec += 1000000 - (1000000 / setup.fps);
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- }
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- memcpy(&tv_last_written, &tv_started, sizeof(struct timeval));
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- }
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-
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- num_read = 0;
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-
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- if (broken_frame) {
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- lost++;
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- } else {
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- err = fastwriter_commit(fw);
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- frames++;
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- }
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-
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- fastwriter_get_stats(fw, &stats);
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- if (stats.buffer_used > buf_max) buf_max = stats.buffer_used;
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-
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- if ((tv.tv_sec - tv_last_written.tv_sec) >= WRITE_INTERVAL) {
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- last_duration = (tv.tv_sec - tv_last_written.tv_sec) * 1000000 + (tv.tv_usec - tv_last_written.tv_usec);
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-
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-/* expected = (tv.tv_sec - tv_last_summary.tv_sec) * setup.fps + (tv.tv_usec - tv_last_summary.tv_usec) * setup.fps / 1000000;
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- delta = expected - lost - frames;
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- if (delta > 0) delta--;*/
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-
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- printf("Lost %6.2lf%% (% 8lu of % 8lu), %9.3lf GB at %8.3lf MB/s, buf:%6.2lf%%\n", 100.*(lost - last_lost) / (lost + frames - last_lost - last_frames), lost - last_lost, lost + frames - (last_lost + last_frames), 1. * frame_size * (frames - last_frames) / 1024 / 1024 / 1024, 1000000. * frame_size * (frames - last_frames) / last_duration / 1024 / 1024, 100.*buf_max/stats.buffer_size);
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-
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- if (((++writeouts)%WRITE_SUMMARY)==0) {
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- duration = (tv.tv_sec - tv_started.tv_sec) * 1000000 + (tv.tv_usec - tv_started.tv_usec);
|
|
|
-
|
|
|
- expected = (tv.tv_sec - tv_started.tv_sec) * setup.fps + round(1.*(tv.tv_usec - tv_started.tv_usec)*setup.fps/1000000);
|
|
|
-
|
|
|
- delta = expected - lost - frames;
|
|
|
- if ((delta > 1)||(delta < 1))
|
|
|
- printf(" *** Unexpected frame rate: %.2lf (%lu), delta: %li (%lu, %lu)\n", 1000000. * (frames + lost) / duration, setup.fps, delta, lost + frames, expected);
|
|
|
-
|
|
|
- printf("Total %6.2lf%% (% 8lu of % 8lu), %9.3lf GB at %8.3lf MB/s, buf:%6.2lf%%\n", 100.*lost / (lost + frames), lost, lost + frames, 1. * frames * frame_size / 1024 / 1024 / 1024, 1000000. * frames * frame_size / duration / 1024 / 1024, 100.*stats.buffer_max / stats.buffer_size);
|
|
|
- }
|
|
|
-
|
|
|
- buf_max = 0;
|
|
|
- memcpy(&tv_last_written, &tv, sizeof(struct timeval));
|
|
|
- last_frames = frames;
|
|
|
- last_lost = lost;
|
|
|
- }
|
|
|
-
|
|
|
- result = read(fd, buffer, frame_size);
|
|
|
+ callback(&setup, result, buffer);
|
|
|
+ result = read(fd, buffer, setup.frame_size - setup.num_read);
|
|
|
}
|
|
|
|
|
|
- printf("Wrote %lu GB\n", frame_size * frames / 1024 / 1024 / 1024);
|
|
|
+ printf("Wrote %lu GB\n", setup.frame_size * setup.frames / 1024 / 1024 / 1024);
|
|
|
|
|
|
g_thread_join(thr);
|
|
|
|
|
|
close(fd);
|
|
|
+#else /* USE_FIFO */
|
|
|
+ run(&setup);
|
|
|
+#endif /* USE_FIFO */
|
|
|
|
|
|
free(buffer);
|
|
|
fastwriter_close(fw);
|
|
|
fastwriter_destroy(fw);
|
|
|
+
|
|
|
+#ifdef USE_FIFO
|
|
|
unlink(fifo_name);
|
|
|
+#endif /* USE_FIFO */
|
|
|
|
|
|
return 0;
|
|
|
}
|