From 59c1023ef544c215e5d4c6c0276f04230beb6fd8 Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Sun, 6 Apr 2014 02:42:31 +0200 Subject: [PATCH] Consider aspect ratio when writing tiff dpi. TIFFTAG_YRESOLUTION gets now adjusted to sample_aspect_ratio. --- libavcodec/tiffenc.c | 7 +++++++ libavcodec/version.h | 2 +- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/libavcodec/tiffenc.c b/libavcodec/tiffenc.c index 7b1e5104bd..67229a93b1 100644 --- a/libavcodec/tiffenc.c +++ b/libavcodec/tiffenc.c @@ -436,6 +436,13 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, add_entry1(s, TIFF_ROWSPERSTRIP, TIFF_LONG, s->rps); add_entry(s, TIFF_STRIP_SIZE, TIFF_LONG, strips, s->strip_sizes); add_entry(s, TIFF_XRES, TIFF_RATIONAL, 1, res); + if (avctx->sample_aspect_ratio.num > 0 && + avctx->sample_aspect_ratio.den > 0) { + AVRational y = av_mul_q(av_make_q(s->dpi, 1), + avctx->sample_aspect_ratio); + res[0] = y.num; + res[1] = y.den; + } add_entry(s, TIFF_YRES, TIFF_RATIONAL, 1, res); add_entry1(s, TIFF_RES_UNIT, TIFF_SHORT, 2); diff --git a/libavcodec/version.h b/libavcodec/version.h index 6472c0f59f..ca5ab26d13 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -30,7 +30,7 @@ #define LIBAVCODEC_VERSION_MAJOR 55 #define LIBAVCODEC_VERSION_MINOR 57 -#define LIBAVCODEC_VERSION_MICRO 100 +#define LIBAVCODEC_VERSION_MICRO 101 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ LIBAVCODEC_VERSION_MINOR, \