Commit 2093c1dc authored by Peter Ross's avatar Peter Ross Committed by Michael Niedermayer

cinedec: report white balance gain coefficients using metadata

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 7a79c055
...@@ -27,6 +27,7 @@ ...@@ -27,6 +27,7 @@
#include "libavutil/intreadwrite.h" #include "libavutil/intreadwrite.h"
#include "libavcodec/bmp.h" #include "libavcodec/bmp.h"
#include "libavutil/intfloat.h"
#include "avformat.h" #include "avformat.h"
#include "internal.h" #include "internal.h"
...@@ -78,6 +79,16 @@ static int set_metadata_int(AVDictionary **dict, const char *key, int value, int ...@@ -78,6 +79,16 @@ static int set_metadata_int(AVDictionary **dict, const char *key, int value, int
return 0; return 0;
} }
static int set_metadata_float(AVDictionary **dict, const char *key, float value, int allow_zero)
{
if (value != 0 || allow_zero) {
char tmp[64];
snprintf(tmp, sizeof(tmp), "%f", value);
return av_dict_set(dict, key, tmp, 0);
}
return 0;
}
static int cine_read_header(AVFormatContext *avctx) static int cine_read_header(AVFormatContext *avctx)
{ {
AVIOContext *pb = avctx->pb; AVIOContext *pb = avctx->pb;
...@@ -177,7 +188,10 @@ static int cine_read_header(AVFormatContext *avctx) ...@@ -177,7 +188,10 @@ static int cine_read_header(AVFormatContext *avctx)
set_metadata_int(&st->metadata, "contrast", avio_rl32(pb), 1); set_metadata_int(&st->metadata, "contrast", avio_rl32(pb), 1);
set_metadata_int(&st->metadata, "gamma", avio_rl32(pb), 1); set_metadata_int(&st->metadata, "gamma", avio_rl32(pb), 1);
avio_skip(pb, 72); // Reserved1 .. WBView avio_skip(pb, 12 + 16); // Reserved1 .. AutoExpRect
set_metadata_float(&st->metadata, "wbgain[0].r", av_int2float(avio_rl32(pb)), 1);
set_metadata_float(&st->metadata, "wbgain[0].b", av_int2float(avio_rl32(pb)), 1);
avio_skip(pb, 36); // WBGain[1].. WBView
st->codec->bits_per_coded_sample = avio_rl32(pb); st->codec->bits_per_coded_sample = avio_rl32(pb);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment