doc: Document FATE option HWACCEL

[ffmpeg] / tools / aviocat.c

diff --git a/tools/aviocat.c b/tools/aviocat.c
index 52a96bde2f85d8f580360b151dd2e2a417984b24..59244a8e4faecd1cecbac27c964c39bb9f311909 100644 (file)
--- a/tools/aviocat.c
+++ b/tools/aviocat.c
@@ -26,13 +26,13 @@
 
 static int usage(const char *argv0, int ret)
 {
-    fprintf(stderr, "%s [-b bytespersec] input_url output_url\n", argv0);
+    fprintf(stderr, "%s [-b bytespersec] [-d duration] input_url output_url\n", argv0);
     return ret;
 }
 
 int main(int argc, char **argv)
 {
-    int bps = 0, ret, i;
+    int bps = 0, duration = 0, ret, i;
     const char *input_url = NULL, *output_url = NULL;
     int64_t stream_pos = 0;
     int64_t start_time;
@@ -43,9 +43,12 @@ int main(int argc, char **argv)
     avformat_network_init();
 
     for (i = 1; i < argc; i++) {
-        if (!strcmp(argv[i], "-b")) {
+        if (!strcmp(argv[i], "-b") && i + 1 < argc) {
             bps = atoi(argv[i + 1]);
             i++;
+        } else if (!strcmp(argv[i], "-d") && i + 1 < argc) {
+            duration = atoi(argv[i + 1]);
+            i++;
         } else if (!input_url) {
             input_url = argv[i];
         } else if (!output_url) {
@@ -63,6 +66,15 @@ int main(int argc, char **argv)
         fprintf(stderr, "Unable to open %s: %s\n", input_url, errbuf);
         return 1;
     }
+    if (duration && !bps) {
+        int64_t size = avio_size(input);
+        if (size < 0) {
+            av_strerror(ret, errbuf, sizeof(errbuf));
+            fprintf(stderr, "Unable to get size of %s: %s\n", input_url, errbuf);
+            goto fail;
+        }
+        bps = size / duration;
+    }
     ret = avio_open2(&output, output_url, AVIO_FLAG_WRITE, NULL, NULL);
     if (ret) {
         av_strerror(ret, errbuf, sizeof(errbuf));
@@ -70,7 +82,7 @@ int main(int argc, char **argv)
         goto fail;
     }
 
-    start_time = av_gettime();
+    start_time = av_gettime_relative();
     while (1) {
         uint8_t buf[1024];
         int n;
@@ -81,7 +93,7 @@ int main(int argc, char **argv)
         stream_pos += n;
         if (bps) {
             avio_flush(output);
-            while ((av_gettime() - start_time) * bps / AV_TIME_BASE < stream_pos)
+            while ((av_gettime_relative() - start_time) * bps / AV_TIME_BASE < stream_pos)
                 av_usleep(50 * 1000);
         }
     }