uint8_t *out_buf;
int out_picture_size;
struct SwsContext *sw_scale_ctx;
- AVPacket packet;
+ AVPacket in_packet;
int got_picture;
int ret = 0;
while (run) {
/* read packet */
- ret = av_read_frame(input_ctx.format_ctx, &packet);
+ ret = av_read_frame(input_ctx.format_ctx, &in_packet);
if (ret < 0) {
if (ret == (int)AVERROR_EOF || input_ctx.format_ctx->pb->eof_reached)
ret = 0;
goto end_while;
}
- if (packet.stream_index != input_ctx.video_stream_index) {
+ if (in_packet.stream_index != input_ctx.video_stream_index) {
/* that is more or less a "continue", but there is
* still the packet to free */
goto end_while;
/* decode */
got_picture = 0;
- ret = avcodec_decode_video2(input_ctx.codec_ctx, picture_raw, &got_picture, &packet);
+ ret = avcodec_decode_video2(input_ctx.codec_ctx, picture_raw, &got_picture, &in_packet);
if (ret < 0) {
fprintf(stderr, "cannot decode video\n");
run = 0;
}
}
end_while:
- av_free_packet(&packet);
+ av_free_packet(&in_packet);
}
sws_freeContext(sw_scale_ctx);
{
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");
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:p:z:h")) != -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;
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;