Commit dee009c7 authored by Rafaël Carré's avatar Rafaël Carré Committed by François Cartegnie

vout: decklink: add AFD skeleton

Signed-off-by: François Cartegnie's avatarFrancois Cartegnie <fcvlcdev@free.fr>
parent 74bc33ad
......@@ -70,6 +70,9 @@ static const int pi_channels_maps[CHANNELS_MAX+1] =
"After this delay we black out the video."\
)
#define AFDLINE_INDEX_TEXT N_("Active Format Descriptor line.")
#define AFDLINE_INDEX_LONGTEXT N_("VBI line on which to output Active Format Descriptor.")
#define NOSIGNAL_IMAGE_TEXT N_("Picture to display on input signal loss.")
#define NOSIGNAL_IMAGE_LONGTEXT NOSIGNAL_IMAGE_TEXT
......@@ -193,6 +196,8 @@ vlc_module_begin()
VIDEO_TENBITS_TEXT, VIDEO_TENBITS_LONGTEXT, true)
add_integer(VIDEO_CFG_PREFIX "nosignal-delay", 5,
NOSIGNAL_INDEX_TEXT, NOSIGNAL_INDEX_LONGTEXT, true)
add_integer(VIDEO_CFG_PREFIX "afd-line", 16,
AFDLINE_INDEX_TEXT, AFDLINE_INDEX_LONGTEXT, true)
add_loadfile(VIDEO_CFG_PREFIX "nosignal-image", NULL,
NOSIGNAL_IMAGE_TEXT, NOSIGNAL_IMAGE_LONGTEXT, true)
......@@ -677,6 +682,61 @@ static void v210_convert(void *frame_bytes, picture_t *pic, int dst_stride)
}
}
static void send_AFD(vout_display_t *vd, uint8_t *buf)
{
const size_t len = 6 /* vanc header */ + 8 /* AFD data */ + 1 /* csum */;
const size_t s = ((len + 5) / 6) * 6; // align for v210
uint16_t afd[s];
afd[0] = 0x000;
afd[1] = 0x3ff;
afd[2] = 0x3ff;
afd[3] = 0x41; // DID
afd[4] = 0x05; // SDID
afd[5] = 8; // Data Count
int afd_code = 0;
int AR = 0;
int bar_data_flags = 0;
int bar_data_val1 = 0;
int bar_data_val2 = 0;
afd[ 6] = (afd_code << 3) | (AR << 2);
afd[ 7] = 0; // reserved
afd[ 8] = 0; // reserved
afd[ 9] = bar_data_flags << 4;
afd[10] = bar_data_val1 << 8;
afd[11] = bar_data_val1 & 0xff;
afd[12] = bar_data_val2 << 8;
afd[13] = bar_data_val2 & 0xff;
/* parity bit */
for (size_t i = 3; i < len - 1; i++)
afd[i] |= parity(afd[i]) ? 0x100 : 0x200;
/* vanc checksum */
uint16_t vanc_sum = 0;
for (size_t i = 3; i < len - 1; i++) {
vanc_sum += afd[i];
vanc_sum &= 0x1ff;
}
afd[len - 1] = vanc_sum | ((~vanc_sum & 0x100) << 1);
/* pad */
for (size_t i = len; i < s; i++)
afd[i] = 0x040;
/* convert to v210 and write into VANC */
for (size_t w = 0; w < s / 6 ; w++) {
put_le32(&buf, afd[w*6+0] << 10);
put_le32(&buf, afd[w*6+1] | (afd[w*6+2] << 20));
put_le32(&buf, afd[w*6+3] << 10);
put_le32(&buf, afd[w*6+4] | (afd[w*6+5] << 20));
}
}
static void DisplayVideo(vout_display_t *vd, picture_t *picture, subpicture_t *)
{
vout_display_sys_t *sys = vd->sys;
......@@ -734,8 +794,35 @@ static void DisplayVideo(vout_display_t *vd, picture_t *picture, subpicture_t *)
pDLVideoFrame->GetBytes((void**)&frame_bytes);
stride = pDLVideoFrame->GetRowBytes();
if (sys->tenbits)
if (sys->tenbits) {
IDeckLinkVideoFrameAncillary *vanc;
int line;
void *buf;
result = decklink_sys->p_output->CreateAncillaryData(
sys->tenbits ? bmdFormat10BitYUV : bmdFormat8BitYUV, &vanc);
if (result != S_OK) {
msg_Err(vd, "Failed to create vanc: %d", result);
goto end;
}
line = var_InheritInteger(vd, VIDEO_CFG_PREFIX "afd-line");
result = vanc->GetBufferForVerticalBlankingLine(line, &buf);
if (result != S_OK) {
msg_Err(vd, "Failed to get VBI line %d: %d", line, result);
goto end;
}
send_AFD(vd, (uint8_t*)buf);
v210_convert(frame_bytes, picture, stride);
result = pDLVideoFrame->SetAncillaryData(vanc);
vanc->Release();
if (result != S_OK) {
msg_Err(vd, "Failed to set vanc: %d", result);
goto end;
}
}
else for(int y = 0; y < h; ++y) {
uint8_t *dst = (uint8_t *)frame_bytes + stride * y;
const uint8_t *src = (const uint8_t *)picture->p[0].p_pixels +
......
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