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ffprobe: add writer_print_integers() to allow printing formated 1d and 2d arrays of integers

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-02 23:45:00 +02:00
parent db4649dd10
commit 2a3270b66c
1 changed files with 27 additions and 0 deletions
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27
ffprobe.c
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@ -37,6 +37,7 @@
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/libm.h"
#include "libavutil/parseutils.h"
#include "libavutil/timecode.h"
@ -718,6 +719,32 @@ static void writer_print_data_hash(WriterContext *wctx, const char *name,
writer_print_string(wctx, name, buf, 0);
}
static void writer_print_integers(WriterContext *wctx, const char *name,
uint8_t *data, int size, const char *format,
int columns, int bytes, int offset_add)
{
AVBPrint bp;
int offset = 0, l, i;
av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
av_bprintf(&bp, "\n");
while (size) {
av_bprintf(&bp, "%08x: ", offset);
l = FFMIN(size, columns);
for (i = 0; i < l; i++) {
if (bytes == 1) av_bprintf(&bp, format, *data);
else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
data += bytes;
size --;
}
av_bprintf(&bp, "\n");
offset += offset_add;
}
writer_print_string(wctx, name, bp.str, 0);
av_bprint_finalize(&bp, NULL);
}
#define MAX_REGISTERED_WRITERS_NB 64
static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];