X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/63e424dfcc3e03699b350e3cbd1ae3a7968b8cf6..6fd589183522c616e244927fa09f6e2fa9bcd523:/examples/am7xxx-play.c

diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c
index b28ecec..324ed89 100644
--- a/examples/am7xxx-play.c
+++ b/examples/am7xxx-play.c
@@ -17,6 +17,12 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/**
+ * @example examples/am7xxx-play.c
+ * am7xxx-play uses libavdevice, libavformat, libavcodec and libswscale to
+ * decode the input, encode it to jpeg and display it with libam7xxx.
+ */
+
 #include <stdio.h>
 #include <stdint.h>
 #include <string.h>
@@ -29,6 +35,13 @@
 
 #include <am7xxx.h>
 
+/* On some systems ENOTSUP is not defined, fallback to its value on
+ * linux which is equal to EOPNOTSUPP which is 95
+ */
+#ifndef ENOTSUP
+#define ENOTSUP 95
+#endif
+
 static unsigned int run = 1;
 
 struct video_input_ctx {
@@ -193,8 +206,10 @@ static int video_output_init(struct video_output_ctx *output_ctx,
 	output_codec_ctx->bit_rate   = (input_ctx->codec_ctx)->bit_rate;
 	output_codec_ctx->width      = new_output_width;
 	output_codec_ctx->height     = new_output_height;
-	output_codec_ctx->time_base.num  = (input_ctx->codec_ctx)->time_base.num;
-	output_codec_ctx->time_base.den  = (input_ctx->codec_ctx)->time_base.den;
+	output_codec_ctx->time_base.num  =
+		(input_ctx->format_ctx)->streams[input_ctx->video_stream_index]->time_base.num;
+	output_codec_ctx->time_base.den  =
+		(input_ctx->format_ctx)->streams[input_ctx->video_stream_index]->time_base.den;
 
 	/* When the raw format is requested we don't actually need to setup
 	 * and open a decoder
@@ -524,6 +539,7 @@ static void unset_run(int signo)
 	run = 0;
 }
 
+#ifdef HAVE_SIGACTION
 static int set_signal_handler(void (*signal_handler)(int))
 {
 	struct sigaction new_action;
@@ -551,6 +567,15 @@ static int set_signal_handler(void (*signal_handler)(int))
 out:
 	return ret;
 }
+#else
+static int set_signal_handler(void (*signal_handler)(int))
+{
+	(void)signal_handler;
+	fprintf(stderr, "set_signal_handler() not implemented, sigaction not available\n");
+	return 0;
+}
+#endif
+
 
 static void usage(char *name)
 {
@@ -598,7 +623,7 @@ int main(int argc, char *argv[])
 	am7xxx_context *ctx;
 	am7xxx_device *dev;
 
-	while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:l:hp:")) != -1) {
+	while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:l:p:h")) != -1) {
 		switch (opt) {
 		case 'f':
 			input_format_string = strdup(optarg);
@@ -607,6 +632,7 @@ int main(int argc, char *argv[])
 			input_path = strdup(optarg);
 			break;
 		case 'o':
+#ifdef HAVE_STRTOK_R
 			/*
 			 * parse suboptions, the expected format is something
 			 * like:
@@ -623,6 +649,9 @@ int main(int argc, char *argv[])
 				av_dict_set(&options, subopt_name, subopt_value, 0);
 			}
 			free(subopts_saved);
+#else
+			fprintf(stderr, "Option '-o' not implemented\n");
+#endif
 			break;
 		case 's':
 			rescale_method = atoi(optarg);
@@ -678,11 +707,6 @@ int main(int argc, char *argv[])
 				log_level = AM7XXX_LOG_ERROR;
 			}
 			break;
-		case 'h':
-			usage(argv[0]);
-			ret = 0;
-			goto out;
-			break;
 		case 'p':
 			power_mode = atoi(optarg);
 			switch(power_mode) {
@@ -699,6 +723,11 @@ int main(int argc, char *argv[])
 				goto out;
 			}
 			break;
+		case 'h':
+			usage(argv[0]);
+			ret = 0;
+			goto out;
+			break;
 		default: /* '?' */
 			usage(argv[0]);
 			ret = -EINVAL;