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avprobe: Print a user-friendly version of the display matrix

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Shift fixed point numbers to be actual decimal numbers.
This commit is contained in:
Vittorio Giovara 2018-04-04 17:29:35 +02:00
parent f821b2ea27
commit c31f6b1d61
1 changed files with 10 additions and 0 deletions
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10
avtools/avprobe.c
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@ -131,6 +131,7 @@ typedef struct PrintContext {
static AVIOContext *probe_out = NULL;
static PrintContext octx;
#define AVP_INDENT() avio_printf(probe_out, "%*c", octx.level * 2, ' ')
#define CONV_FP(x,fp) ((double) (x)) / (1 << fp)
/*
* Default format, INI
@ -816,6 +817,15 @@ static void show_stream(InputFile *ifile, InputStream *ist)
for (j = 0; j < 9; j++)
probe_int(NULL, ((int32_t *)sd->data)[j]);
probe_array_footer("matrix", 1);
probe_array_header("matrix_str", 1);
for (j = 0; j < 9; j++) {
char buf[32];
int fp = (j == 2 || j == 5 || j == 8) ? 30 : 16;
int32_t val = ((int32_t *)sd->data)[j];
value_string(buf, sizeof(buf), CONV_FP(val, fp), "");
probe_str(NULL, buf);
}
probe_array_footer("matrix_str", 1);
probe_int("rotation",
av_display_rotation_get((int32_t *)sd->data));
probe_object_footer("displaymatrix");