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| author | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2009-01-20 09:25:50 +0000 |
|---|---|---|
| committer | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2009-01-20 09:25:50 +0000 |
| commit | 15a4e8b85a89b398be27decca61455f5b839c6c6 (patch) | |
| tree | 703a944edf1f53f70042d56581d19433edbdc574 /libavformat/gxfenc.c | |
| parent | fc94187857a67488f21e70c1fdc62eec7a7d80a0 (diff) | |
| download | ffmpeg-15a4e8b85a89b398be27decca61455f5b839c6c6.tar.gz | |
set correct value for starting line
Originally committed as revision 16698 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/gxfenc.c')
| -rw-r--r-- | libavformat/gxfenc.c | 13 |
1 files changed, 10 insertions, 3 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); |