X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavdevice%2Fdecklink_common.cpp;h=362567341edca24fdcff95d769b80801ed11a235;hb=da89c6e37cf2fb3645611e8196cc28b6acfb9bd6;hp=ac7964cd171eba58baa44e8b6b30d04d0c3b22ae;hpb=abb3cc46d595dcb186ae30ec7339a56cd9803f45;p=ffmpeg

diff --git a/libavdevice/decklink_common.cpp b/libavdevice/decklink_common.cpp
index ac7964cd171..362567341ed 100644
--- a/libavdevice/decklink_common.cpp
+++ b/libavdevice/decklink_common.cpp
@@ -98,6 +98,35 @@ HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName)
     return hr;
 }
 
+static int decklink_select_input(AVFormatContext *avctx, BMDDeckLinkConfigurationID cfg_id)
+{
+    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) ? ctx->audio_input : ctx->video_input;
+    const char *type_name          = (cfg_id == bmdDeckLinkConfigAudioInputConnection) ? "audio" : "video";
+    int64_t supported_connections = 0;
+    HRESULT res;
+
+    if (bmd_input) {
+        res = ctx->attr->GetInt(attr_id, &supported_connections);
+        if (res != S_OK) {
+            av_log(avctx, AV_LOG_ERROR, "Failed to query supported %s inputs.\n", type_name);
+            return AVERROR_EXTERNAL;
+        }
+        if ((supported_connections & bmd_input) != bmd_input) {
+            av_log(avctx, AV_LOG_ERROR, "Device does not support selected %s input.\n", type_name);
+            return AVERROR(ENOSYS);
+        }
+        res = ctx->cfg->SetInt(cfg_id, bmd_input);
+        if (res != S_OK) {
+            av_log(avctx, AV_LOG_ERROR, "Failed to select %s input.\n", type_name);
+            return AVERROR_EXTERNAL;
+        }
+    }
+    return 0;
+}
+
 int ff_decklink_set_format(AVFormatContext *avctx,
                                int width, int height,
                                int tb_num, int tb_den,
@@ -111,7 +140,31 @@ int ff_decklink_set_format(AVFormatContext *avctx,
     int i = 1;
     HRESULT res;
 
+    if (ctx->duplex_mode) {
+        bool duplex_supported = false;
+
+        if (ctx->attr->GetFlag(BMDDeckLinkSupportsDuplexModeConfiguration, &duplex_supported) != S_OK)
+            duplex_supported = false;
+
+        if (duplex_supported) {
+            res = ctx->cfg->SetInt(bmdDeckLinkConfigDuplexMode, ctx->duplex_mode == 2 ? bmdDuplexModeFull : bmdDuplexModeHalf);
+            if (res != S_OK)
+                av_log(avctx, AV_LOG_WARNING, "Setting duplex mode failed.\n");
+            else
+                av_log(avctx, AV_LOG_VERBOSE, "Succesfully set duplex mode to %s duplex.\n", ctx->duplex_mode == 2 ? "full" : "half");
+        } else {
+            av_log(avctx, AV_LOG_WARNING, "Unable to set duplex mode, because it is not supported.\n");
+        }
+    }
+
     if (direction == DIRECTION_IN) {
+        int ret;
+        ret = decklink_select_input(avctx, bmdDeckLinkConfigAudioInputConnection);
+        if (ret < 0)
+            return ret;
+        ret = decklink_select_input(avctx, bmdDeckLinkConfigVideoInputConnection);
+        if (ret < 0)
+            return ret;
         res = ctx->dli->GetDisplayModeIterator (&itermode);
     } else {
         res = ctx->dlo->GetDisplayModeIterator (&itermode);
@@ -207,6 +260,13 @@ int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direct
     HRESULT res;
 
     if (direction == DIRECTION_IN) {
+        int ret;
+        ret = decklink_select_input(avctx, bmdDeckLinkConfigAudioInputConnection);
+        if (ret < 0)
+            return ret;
+        ret = decklink_select_input(avctx, bmdDeckLinkConfigVideoInputConnection);
+        if (ret < 0)
+            return ret;
         res = ctx->dli->GetDisplayModeIterator (&itermode);
     } else {
         res = ctx->dlo->GetDisplayModeIterator (&itermode);
@@ -239,3 +299,61 @@ int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direct
 
     return 0;
 }
+
+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;
+
+    if (ctx->dli)
+        ctx->dli->Release();
+    if (ctx->dlo)
+        ctx->dlo->Release();
+    if (ctx->attr)
+        ctx->attr->Release();
+    if (ctx->cfg)
+        ctx->cfg->Release();
+    if (ctx->dl)
+        ctx->dl->Release();
+}
+
+int ff_decklink_init_device(AVFormatContext *avctx, const char* name)
+{
+    struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
+    struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
+    IDeckLink *dl = NULL;
+    IDeckLinkIterator *iter = CreateDeckLinkIteratorInstance();
+    if (!iter) {
+        av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator\n");
+        return AVERROR_EXTERNAL;
+    }
+
+    while (iter->Next(&dl) == S_OK) {
+        const char *displayName;
+        ff_decklink_get_display_name(dl, &displayName);
+        if (!strcmp(name, displayName)) {
+            av_free((void *)displayName);
+            ctx->dl = dl;
+            break;
+        }
+        av_free((void *)displayName);
+        dl->Release();
+    }
+    iter->Release();
+    if (!ctx->dl)
+        return AVERROR(ENXIO);
+
+    if (ctx->dl->QueryInterface(IID_IDeckLinkConfiguration, (void **)&ctx->cfg) != S_OK) {
+        av_log(avctx, AV_LOG_ERROR, "Could not get configuration interface for '%s'\n", name);
+        ff_decklink_cleanup(avctx);
+        return AVERROR_EXTERNAL;
+    }
+
+    if (ctx->dl->QueryInterface(IID_IDeckLinkAttributes, (void **)&ctx->attr) != S_OK) {
+        av_log(avctx, AV_LOG_ERROR, "Could not get attributes interface for '%s'\n", name);
+        ff_decklink_cleanup(avctx);
+        return AVERROR_EXTERNAL;
+    }
+
+    return 0;
+}