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check return code and handle error, add info level messages

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This commit is contained in:
c0ntrol
2019-01-31 18:56:47 +01:00
parent db7215eeaa
commit 0da4f7ebd8
1 changed files with 18 additions and 3 deletions
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21
veejay-current/veejay-server/libstream/v4l2utils.c
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@@ -636,7 +636,7 @@ static int v4l2_negotiate_pixel_format( v4l2info *v, int host_fmt, int wid, int
}
else
{
veejay_msg(VEEJAY_MSG_DEBUG,"env VEEJAY_V4L2_GREYSCALE_ONLY=[0|1] not set");
veejay_msg(VEEJAY_MSG_INFO,"env VEEJAY_V4L2_GREYSCALE_ONLY=[0|1] not set, capturing in color");
}
if( mjpegcap ) {
@@ -669,6 +669,11 @@ static int v4l2_negotiate_pixel_format( v4l2info *v, int host_fmt, int wid, int
return 1;
}
} //@ otherwise, continue with normal preference of formats
else
{
veejay_msg(VEEJAY_MSG_INFO,"env VEEJAY_V4L2_PREFER_JPEG=[0|1] not set, using raw video format");
}
//@ does capture card support our native format
supported = v4l2_tryout_pixel_format( v, native_pixel_format, wid, hei,dw,dh,candidate );
@@ -1274,12 +1279,17 @@ static int v4l2_pull_frame_intern( v4l2info *v )
pkt.data = src;
pkt.size = length;
avcodec_decode_video2(
int res = avcodec_decode_video2(
v->c,
v->picture,
&got_picture,
&pkt );
if(res < 0) {
veejay_msg(VEEJAY_MSG_ERROR, "v4l2: error decoding frame");
return 0;
}
v->info->data[0] = v->picture->data[0];
v->info->data[1] = v->picture->data[1];
v->info->data[2] = v->picture->data[2];
@@ -1382,12 +1392,17 @@ int v4l2_pull_frame(void *vv,VJFrame *dst)
pkt.data = src;
pkt.size = length;
avcodec_decode_video2(
int res = avcodec_decode_video2(
v->c,
v->picture,
&got_picture,
&pkt );
if( res < 0 ) {
veejay_msg(VEEJAY_MSG_ERROR, "v4l2: error decoding frame");
return 0;
}
v->info->data[0] = v->picture->data[0];
v->info->data[1] = v->picture->data[1];
v->info->data[2] = v->picture->data[2];