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v4l2 capture: convert rgba to yuva

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This commit is contained in:
Niels
2016-05-13 21:33:04 +02:00
parent 8e004839fb
commit 0fb822a8e3
6 changed files with 38 additions and 72 deletions
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36
veejay-current/veejay-server/libstream/v4l2utils.c
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@@ -781,7 +781,6 @@ static int v4l2_configure_format( v4l2info *v, int host_fmt, int wid, int hei )
return 0;
}
static void v4l2_set_output_pointers( v4l2info *v, void *src )
{
uint8_t *map = (uint8_t*) src;
@@ -800,13 +799,14 @@ static void v4l2_set_output_pointers( v4l2info *v, void *src )
}
}
VJFrame *v4l2_get_dst( void *vv, uint8_t *Y, uint8_t *U, uint8_t *V ) {
VJFrame *v4l2_get_dst( void *vv, uint8_t *Y, uint8_t *U, uint8_t *V, uint8_t *A ) {
v4l2info *v = (v4l2info*) vv;
if(v->threaded)
lock_(v->video_info);
v->host_frame->data[0] = Y;
v->host_frame->data[1] = U;
v->host_frame->data[2] = V;
v->host_frame->data[2] = V;
v->host_frame->data[3] = A;
if(v->threaded)
unlock_(v->video_info);
return v->host_frame;
@@ -1150,6 +1150,27 @@ v4l2_rw_fallback:
v->buffers[0].length = v->sizeimage;
v->buffers[0].start = vj_malloc( RUP8( v->sizeimage * 2 ) );
}
//FIXME this is here since libstream and libsample should be refactored (for now)
if( v->format.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB32 ||
v->format.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR32 ) {
// this allows us to convert to yuva regardless
veejay_msg(VEEJAY_MSG_DEBUG, "v4l2: source in RGB? format, converting to YUVA");
switch( dst_fmt ) {
case PIX_FMT_YUVJ422P:
case PIX_FMT_YUV422P:
dst_fmt = PIX_FMT_YUVA422P;
break;
case PIX_FMT_YUVJ420P:
case PIX_FMT_YUV420P:
dst_fmt = PIX_FMT_YUVA420P;
break;
case PIX_FMT_YUVJ444P:
case PIX_FMT_YUV444P:
dst_fmt = PIX_FMT_YUVA444P;
break;
}
}
for( i = 0; i < N_FRAMES; i ++ ) {
@@ -1157,7 +1178,7 @@ v4l2_rw_fallback:
v->frames_done[i] = 0;
}
v->host_frame = yuv_yuv_template( NULL,NULL,NULL,wid,hei,host_fmt );
v->host_frame = yuv_yuv_template( NULL,NULL,NULL,wid,hei,dst_fmt );
v->frame_ready = 0;
v->frameidx = 0;
@@ -1181,7 +1202,7 @@ v4l2_rw_fallback:
}
static int v4l2_pull_frame_intern( v4l2info *v )
{ //@ fixme more functions no pasta
{
void *src = NULL;
int length = 0;
int n = 0;
@@ -2163,6 +2184,11 @@ int v4l2_thread_pull( v4l2_thread_info *i , VJFrame *dst )
veejay_memset( dst->data[1], 127, dst->uv_len );
veejay_memset( dst->data[2], 127, dst->uv_len );
}
if( v->frames[v->frame_ready]->stride[3] > 0 && dst->stride[3] > 0 ) {
veejay_memcpy( dst->data[3], v->frames[v->frame_ready]->data[3], v->out_planes[3]);
}
//@ "free" buffer
lock_(i);
v->frames_done[v->frameidx] = 0;