am7xxx-play: add more informations about how the raw format is handled

[libam7xxx.git] / examples / am7xxx-play.c

diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c
index 6b0d206..91c7663 100644 (file)
--- a/examples/am7xxx-play.c
+++ b/examples/am7xxx-play.c
@@ -388,7 +388,11 @@ static int am7xxx_play(const char *input_format_string,
 
                /* if we got the complete frame */
                if (got_picture) {
-                       /* convert it to YUV */
+                       /* 
+                        * Rescaling the picture also changes its pixel format
+                        * to the raw format supported by the projector if
+                        * this was set in video_output_init()
+                        */
                        sws_scale(sw_scale_ctx,
                                  (const uint8_t * const *)picture_raw->data,
                                  picture_raw->linesize,
@@ -548,7 +552,7 @@ static char *get_x_screen_size(const char *input_path)
 static char *get_x_screen_size(const char *input_path)
 {
        (void) input_path;
-       fprintf(stderr, "%s: fallback implementation\n", __func__);
+       fprintf(stderr, "%s: fallback implementation, assuming a vga screen\n", __func__);
        return strdup("vga");
 }
 #endif