* 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>
#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 {
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
run = 0;
}
+#ifdef HAVE_SIGACTION
static int set_signal_handler(void (*signal_handler)(int))
{
struct sigaction new_action;
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)
{
printf("usage: %s [OPTIONS]\n\n", name);
printf("OPTIONS:\n");
+ printf("\t-d <index>\t\tthe device index (default is 0)\n");
printf("\t-f <input format>\tthe input device format\n");
printf("\t-i <input path>\t\tthe input path\n");
printf("\t-o <options>\t\ta comma separated list of input format options\n");
printf("\t\t\t\t\t2 - NV12\n");
printf("\t-q <quality>\t\tquality of jpeg sent to the device, between 1 and 100\n");
printf("\t-l <log level>\t\tthe verbosity level of libam7xxx output (0-5)\n");
- printf("\t-p <power level>\tpower level of device, between %x (off) and %x (maximum)\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
- printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n\t\t\t\t\t the slave connector to be plugged in.\n");
+ printf("\t-p <power mode>\t\tthe power mode of device, between %d (off) and %d (turbo)\n",
+ AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+ printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n");
+ printf("\t\t\t\t the slave connector to be plugged in.\n");
+ printf("\t-z <zoom mode>\t\tthe display zoom mode, between %d (original) and %d (test)\n",
+ AM7XXX_ZOOM_ORIGINAL, AM7XXX_ZOOM_TEST);
printf("\t-h \t\t\tthis help message\n");
printf("\n\nEXAMPLES OF USE:\n");
printf("\t%s -f x11grab -i :0.0 -o video_size=800x480\n", name);
unsigned int upscale = 0;
unsigned int quality = 95;
int log_level = AM7XXX_LOG_INFO;
+ int device_index = 0;
am7xxx_power_mode power_mode = AM7XXX_POWER_LOW;
+ am7xxx_zoom_mode zoom = AM7XXX_ZOOM_ORIGINAL;
int format = AM7XXX_IMAGE_FORMAT_JPEG;
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, "d:f:i:o:s:uF:q:l:p:z:h")) != -1) {
switch (opt) {
+ case 'd':
+ device_index = atoi(optarg);
+ if (device_index < 0) {
+ fprintf(stderr, "Unsupported device index\n");
+ ret = -EINVAL;
+ goto out;
+ }
+ break;
case 'f':
input_format_string = strdup(optarg);
break;
input_path = strdup(optarg);
break;
case 'o':
+#ifdef HAVE_STRTOK_R
/*
* parse suboptions, the expected format is something
* like:
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);
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) {
case AM7XXX_POWER_MIDDLE:
case AM7XXX_POWER_HIGH:
case AM7XXX_POWER_TURBO:
- fprintf(stdout, "Power mode: %x\n", power_mode);
+ fprintf(stdout, "Power mode: %d\n", power_mode);
break;
default:
- fprintf(stderr, "Invalid power mode value, must be between %x and %x\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+ fprintf(stderr, "Invalid power mode value, must be between %d and %d\n",
+ AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
ret = -EINVAL;
goto out;
}
break;
+ case 'z':
+ zoom = atoi(optarg);
+ switch(zoom) {
+ case AM7XXX_ZOOM_ORIGINAL:
+ case AM7XXX_ZOOM_H:
+ case AM7XXX_ZOOM_H_V:
+ case AM7XXX_ZOOM_TEST:
+ fprintf(stdout, "Zoom: %d\n", zoom);
+ break;
+ default:
+ fprintf(stderr, "Invalid zoom mode value, must be between %d and %d\n",
+ AM7XXX_ZOOM_ORIGINAL, AM7XXX_ZOOM_TEST);
+ exit(EXIT_FAILURE);
+ }
+ break;
+ case 'h':
+ usage(argv[0]);
+ ret = 0;
+ goto out;
+ break;
default: /* '?' */
usage(argv[0]);
ret = -EINVAL;
am7xxx_set_log_level(ctx, log_level);
- ret = am7xxx_open_device(ctx, &dev, 0);
+ ret = am7xxx_open_device(ctx, &dev, device_index);
if (ret < 0) {
perror("am7xxx_open_device");
goto cleanup;
}
+ ret = am7xxx_set_zoom_mode(dev, zoom);
+ if (ret < 0) {
+ perror("am7xxx_set_zoom_mode");
+ goto cleanup;
+ }
+
ret = am7xxx_set_power_mode(dev, power_mode);
if (ret < 0) {
perror("am7xxx_set_power_mode");
goto cleanup;
}
+ /* When setting AM7XXX_ZOOM_TEST don't display the actual image */
+ if (zoom == AM7XXX_ZOOM_TEST)
+ goto cleanup;
+
ret = am7xxx_play(input_format_string,
&options,
input_path,
projects / libam7xxx.git / blobdiff