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authorBaptiste Coudurier <baptiste.coudurier@gmail.com>2009-01-20 09:25:50 +0000
committerBaptiste Coudurier <baptiste.coudurier@gmail.com>2009-01-20 09:25:50 +0000
commit15a4e8b85a89b398be27decca61455f5b839c6c6 (patch)
tree703a944edf1f53f70042d56581d19433edbdc574 /libavformat/gxfenc.c
parentfc94187857a67488f21e70c1fdc62eec7a7d80a0 (diff)
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.c13
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);