From 3f47d316cda9037024ffbc76f789332e62b729bc Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Mon, 7 Jan 2013 07:07:20 +0100 Subject: [PATCH] mpegvideo_enc: do not modify the input frame. --- libavcodec/mpegvideo_enc.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c index 3d4db8ff5b..c764a30e58 100644 --- a/libavcodec/mpegvideo_enc.c +++ b/libavcodec/mpegvideo_enc.c @@ -186,9 +186,8 @@ void ff_init_qscale_tab(MpegEncContext *s) } } -static void copy_picture_attributes(MpegEncContext *s, - AVFrame *dst, - AVFrame *src) +static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, + const AVFrame *src) { int i; @@ -907,18 +906,18 @@ static int get_intra_count(MpegEncContext *s, uint8_t *src, } -static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg) +static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg) { AVFrame *pic = NULL; int64_t pts; - int i; + int i, display_picture_number = 0; const int encoding_delay = s->max_b_frames ? s->max_b_frames : (s->low_delay ? 0 : 1); int direct = 1; if (pic_arg) { pts = pic_arg->pts; - pic_arg->display_picture_number = s->input_picture_number++; + display_picture_number = s->input_picture_number++; if (pts != AV_NOPTS_VALUE) { if (s->user_specified_pts != AV_NOPTS_VALUE) { @@ -932,7 +931,7 @@ static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg) return -1; } - if (!s->low_delay && pic_arg->display_picture_number == 1) + if (!s->low_delay && display_picture_number == 1) s->dts_delta = time - last; } s->user_specified_pts = pts; @@ -944,7 +943,7 @@ static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg) "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts); } else { - pts = pic_arg->display_picture_number; + pts = display_picture_number; } } } @@ -1025,6 +1024,7 @@ static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg) } } copy_picture_attributes(s, pic, pic_arg); + pic->display_picture_number = display_picture_number; pic->pts = pts; // we set this here to avoid modifiying pic_arg } -- 2.11.0