From 15a4e8b85a89b398be27decca61455f5b839c6c6 Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Tue, 20 Jan 2009 09:25:50 +0000 Subject: [PATCH] set correct value for starting line Originally committed as revision 16698 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/gxfenc.c | 13 ++++++++++--- tests/libav.regression.ref | 4 ++-- 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/libavformat/gxfenc.c b/libavformat/gxfenc.c index f483e31fd3..229acc9448 100644 --- a/libavformat/gxfenc.c +++ b/libavformat/gxfenc.c @@ -169,7 +169,7 @@ static void gxf_write_packet_header(ByteIOContext *pb, GXFPktType type) static int gxf_write_mpeg_auxiliary(ByteIOContext *pb, GXFStreamContext *ctx) { char buffer[1024]; - int size; + int size, starting_line; if (ctx->iframes) { ctx->p_per_gop = ctx->pframes / ctx->iframes; @@ -182,11 +182,18 @@ static int gxf_write_mpeg_auxiliary(ByteIOContext *pb, GXFStreamContext *ctx) if (ctx->b_per_gop > 9) ctx->b_per_gop = 9; /* ensure value won't take more than one char */ } + if (ctx->codec->height == 512 || ctx->codec->height == 608) + starting_line = 7; // VBI + else if (ctx->codec->height == 480) + starting_line = 20; + else + starting_line = 23; // default PAL + size = snprintf(buffer, 1024, "Ver 1\nBr %.6f\nIpg 1\nPpi %d\nBpiop %d\n" - "Pix 0\nCf %d\nCg %d\nSl 7\nnl16 %d\nVi 1\nf1 1\n", + "Pix 0\nCf %d\nCg %d\nSl %d\nnl16 %d\nVi 1\nf1 1\n", (float)ctx->codec->bit_rate, ctx->p_per_gop, ctx->b_per_gop, ctx->codec->pix_fmt == PIX_FMT_YUV422P ? 2 : 1, ctx->first_gop_closed == 1, - ctx->codec->height / 16); + starting_line, ctx->codec->height / 16); put_byte(pb, TRACK_MPG_AUX); put_byte(pb, size + 1); put_buffer(pb, (uint8_t *)buffer, size + 1); diff --git a/tests/libav.regression.ref b/tests/libav.regression.ref index dd40b25fee..43847efb98 100644 --- a/tests/libav.regression.ref +++ b/tests/libav.regression.ref @@ -27,8 +27,8 @@ af78858062599fcbba049e4a02588a15 *./tests/data/b-libav.mov 913b6199765b1dcba196706574621c2f *./tests/data/b-libav.dv 3600000 ./tests/data/b-libav.dv ./tests/data/b-libav.dv CRC=0x7787e173 -a8d66ca88df1f6ba7806f11224d03adc *./tests/data/b-libav.gxf -805992 ./tests/data/b-libav.gxf +ae41914d985979a7f28a286c3689fae1 *./tests/data/b-libav.gxf +805996 ./tests/data/b-libav.gxf ./tests/data/b-libav.gxf CRC=0x9c06676e 66a6584f9e83e8ea3af822a3ba71fbbe *./tests/data/b-libav.nut 329264 ./tests/data/b-libav.nut