static int decklink_select_input(AVFormatContext *avctx, BMDDeckLinkConfigurationID cfg_id)
{
- struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data;
+ struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
BMDDeckLinkAttributeID attr_id = (cfg_id == bmdDeckLinkConfigAudioInputConnection) ? BMDDeckLinkAudioInputConnections : BMDDeckLinkVideoInputConnections;
int64_t bmd_input = (cfg_id == bmdDeckLinkConfigAudioInputConnection) ? (int64_t)ctx->audio_input : (int64_t)ctx->video_input;
int tb_num, int tb_den,
decklink_direction_t direction, int num)
{
- struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data;
+ struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
BMDDisplayModeSupport support;
IDeckLinkDisplayModeIterator *itermode;
int i = 1;
HRESULT res;
+ av_log(avctx, AV_LOG_DEBUG, "Trying to find mode for frame size %dx%d, frame timing %d/%d, direction %d, mode number %d\n",
+ width, height, tb_num, tb_den, direction, num);
+
if (ctx->duplex_mode) {
DECKLINK_BOOL duplex_supported = false;
return AVERROR(EIO);
}
-
- if (tb_num == 1) {
- tb_num *= 1000;
- tb_den *= 1000;
- }
+ AVRational target_tb = av_make_q(tb_num, tb_den);
ctx->bmd_mode = bmdModeUnknown;
while ((ctx->bmd_mode == bmdModeUnknown) && itermode->Next(&mode) == S_OK) {
BMDTimeValue bmd_tb_num, bmd_tb_den;
int bmd_height = mode->GetHeight();
mode->GetFrameRate(&bmd_tb_num, &bmd_tb_den);
+ AVRational mode_tb = av_make_q(bmd_tb_num, bmd_tb_den);
if ((bmd_width == width && bmd_height == height &&
- bmd_tb_num == tb_num && bmd_tb_den == tb_den) || i == num) {
+ !av_cmp_q(mode_tb, target_tb)) || i == num) {
ctx->bmd_mode = mode->GetDisplayMode();
ctx->bmd_width = bmd_width;
ctx->bmd_height = bmd_height;
ctx->bmd_tb_num = bmd_tb_num;
ctx->bmd_field_dominance = mode->GetFieldDominance();
av_log(avctx, AV_LOG_INFO, "Found Decklink mode %d x %d with rate %.2f%s\n",
- bmd_width, bmd_height, (float)bmd_tb_den/(float)bmd_tb_num,
+ bmd_width, bmd_height, 1/av_q2d(mode_tb),
(ctx->bmd_field_dominance==bmdLowerFieldFirst || ctx->bmd_field_dominance==bmdUpperFieldFirst)?"(i)":"");
}
int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direction)
{
- struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data;
+ struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
IDeckLinkDisplayModeIterator *itermode;
IDeckLinkDisplayMode *mode;
void ff_decklink_cleanup(AVFormatContext *avctx)
{
- struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data;
- struct decklink_ctx *ctx = (struct decklink_ctx *) cctx->ctx;
+ struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
+ struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
if (ctx->dli)
ctx->dli->Release();