early-access version 1432

2021-02-09 04:25:58 +01:00
parent de64eab4b4
commit 3d5a9d908a
7336 changed files with 1773492 additions and 111 deletions
--- a/externals/ffmpeg/libavdevice/decklink_common.cpp
+++ b/externals/ffmpeg/libavdevice/decklink_common.cpp
@@ -0,0 +1,538 @@
+/*
+ * Blackmagic DeckLink output
+ * Copyright (c) 2013-2014 Ramiro Polla, Luca Barbato, Deti Fliegl
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* Include internal.h first to avoid conflict between winsock.h (used by
+ * DeckLink headers) and winsock2.h (used by libavformat) in MSVC++ builds */
+extern "C" {
+#include "libavformat/internal.h"
+}
+
+#include <DeckLinkAPI.h>
+#ifdef _WIN32
+#include <DeckLinkAPI_i.c>
+#else
+/* The file provided by the SDK is known to be missing prototypes, which doesn't
+   cause issues with GCC since the warning doesn't apply to C++ files.  However
+   Clang does complain (and warnings are treated as errors), so suppress the
+   warning just for this one file */
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wmissing-prototypes"
+#endif
+#include <DeckLinkAPIDispatch.cpp>
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+#endif
+
+extern "C" {
+#include "libavformat/avformat.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/bswap.h"
+#include "avdevice.h"
+}
+
+#include "decklink_common.h"
+
+static IDeckLinkIterator *decklink_create_iterator(AVFormatContext *avctx)
+{
+    IDeckLinkIterator *iter;
+
+#ifdef _WIN32
+    if (CoInitialize(NULL) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "COM initialization failed.\n");
+        return NULL;
+    }
+
+    if (CoCreateInstance(CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL,
+                         IID_IDeckLinkIterator, (void**) &iter) != S_OK) {
+        iter = NULL;
+    }
+#else
+    iter = CreateDeckLinkIteratorInstance();
+#endif
+    if (!iter)
+        av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator. "
+                                    "Make sure you have DeckLink drivers " BLACKMAGIC_DECKLINK_API_VERSION_STRING " or newer installed.\n");
+
+    return iter;
+}
+
+static int decklink_get_attr_string(IDeckLink *dl, BMDDeckLinkAttributeID cfg_id, const char **s)
+{
+    DECKLINK_STR tmp;
+    HRESULT hr;
+    IDeckLinkProfileAttributes *attr;
+    *s = NULL;
+    if (dl->QueryInterface(IID_IDeckLinkProfileAttributes, (void **)&attr) != S_OK)
+        return AVERROR_EXTERNAL;
+    hr = attr->GetString(cfg_id, &tmp);
+    attr->Release();
+    if (hr == S_OK) {
+        *s = DECKLINK_STRDUP(tmp);
+        DECKLINK_FREE(tmp);
+        if (!*s)
+            return AVERROR(ENOMEM);
+    } else if (hr == E_FAIL) {
+        return AVERROR_EXTERNAL;
+    }
+    return 0;
+}
+
+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) ? (int64_t)ctx->audio_input : (int64_t)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;
+}
+
+static DECKLINK_BOOL field_order_eq(enum AVFieldOrder field_order, BMDFieldDominance bmd_field_order)
+{
+    if (field_order == AV_FIELD_UNKNOWN)
+        return true;
+    if ((field_order == AV_FIELD_TT || field_order == AV_FIELD_TB) && bmd_field_order == bmdUpperFieldFirst)
+        return true;
+    if ((field_order == AV_FIELD_BB || field_order == AV_FIELD_BT) && bmd_field_order == bmdLowerFieldFirst)
+        return true;
+    if (field_order == AV_FIELD_PROGRESSIVE && (bmd_field_order == bmdProgressiveFrame || bmd_field_order == bmdProgressiveSegmentedFrame))
+        return true;
+    return false;
+}
+
+int ff_decklink_set_configs(AVFormatContext *avctx,
+                            decklink_direction_t direction) {
+    struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
+    struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
+    HRESULT res;
+
+    if (ctx->duplex_mode) {
+        DECKLINK_BOOL duplex_supported = false;
+
+#if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000
+        IDeckLinkProfileManager *manager = NULL;
+        if (ctx->dl->QueryInterface(IID_IDeckLinkProfileManager, (void **)&manager) == S_OK)
+            duplex_supported = true;
+#else
+        if (ctx->attr->GetFlag(BMDDeckLinkSupportsDuplexModeConfiguration, &duplex_supported) != S_OK)
+            duplex_supported = false;
+#endif
+
+        if (duplex_supported) {
+#if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000
+            IDeckLinkProfile *profile = NULL;
+            BMDProfileID bmd_profile_id = ctx->duplex_mode == 2 ? bmdProfileOneSubDeviceFullDuplex : bmdProfileTwoSubDevicesHalfDuplex;
+            res = manager->GetProfile(bmd_profile_id, &profile);
+            if (res == S_OK) {
+                res = profile->SetActive();
+                profile->Release();
+            }
+            manager->Release();
+#else
+            res = ctx->cfg->SetInt(bmdDeckLinkConfigDuplexMode, ctx->duplex_mode == 2 ? bmdDuplexModeFull : bmdDuplexModeHalf);
+#endif
+            if (res != S_OK)
+                av_log(avctx, AV_LOG_WARNING, "Setting duplex mode failed.\n");
+            else
+                av_log(avctx, AV_LOG_VERBOSE, "Successfully 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;
+    }
+    if (direction == DIRECTION_OUT && cctx->timing_offset != INT_MIN) {
+        res = ctx->cfg->SetInt(bmdDeckLinkConfigReferenceInputTimingOffset, cctx->timing_offset);
+        if (res != S_OK)
+            av_log(avctx, AV_LOG_WARNING, "Setting timing offset failed.\n");
+    }
+    return 0;
+}
+
+int ff_decklink_set_format(AVFormatContext *avctx,
+                               int width, int height,
+                               int tb_num, int tb_den,
+                               enum AVFieldOrder field_order,
+                               decklink_direction_t direction)
+{
+    struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
+    struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
+#if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000
+    DECKLINK_BOOL support;
+#else
+    BMDDisplayModeSupport support;
+#endif
+    IDeckLinkDisplayModeIterator *itermode;
+    IDeckLinkDisplayMode *mode;
+    int i = 1;
+    HRESULT res;
+
+    av_log(avctx, AV_LOG_DEBUG, "Trying to find mode for frame size %dx%d, frame timing %d/%d, field order %d, direction %d, format code %s\n",
+        width, height, tb_num, tb_den, field_order, direction, cctx->format_code ? cctx->format_code : "(unset)");
+
+    if (direction == DIRECTION_IN) {
+        res = ctx->dli->GetDisplayModeIterator (&itermode);
+    } else {
+        res = ctx->dlo->GetDisplayModeIterator (&itermode);
+    }
+
+    if (res!= S_OK) {
+            av_log(avctx, AV_LOG_ERROR, "Could not get Display Mode Iterator\n");
+            return AVERROR(EIO);
+    }
+
+    char format_buf[] = "    ";
+    if (cctx->format_code)
+        memcpy(format_buf, cctx->format_code, FFMIN(strlen(cctx->format_code), sizeof(format_buf)));
+    BMDDisplayMode target_mode = (BMDDisplayMode)AV_RB32(format_buf);
+    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_width  = mode->GetWidth();
+        int bmd_height = mode->GetHeight();
+        BMDDisplayMode bmd_mode = mode->GetDisplayMode();
+        BMDFieldDominance bmd_field_dominance = mode->GetFieldDominance();
+
+        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 &&
+             !av_cmp_q(mode_tb, target_tb) &&
+             field_order_eq(field_order, bmd_field_dominance))
+             || target_mode == bmd_mode) {
+            ctx->bmd_mode   = bmd_mode;
+            ctx->bmd_width  = bmd_width;
+            ctx->bmd_height = bmd_height;
+            ctx->bmd_tb_den = bmd_tb_den;
+            ctx->bmd_tb_num = bmd_tb_num;
+            ctx->bmd_field_dominance = bmd_field_dominance;
+            av_log(avctx, AV_LOG_INFO, "Found Decklink mode %d x %d with rate %.2f%s\n",
+                bmd_width, bmd_height, 1/av_q2d(mode_tb),
+                (ctx->bmd_field_dominance==bmdLowerFieldFirst || ctx->bmd_field_dominance==bmdUpperFieldFirst)?"(i)":"");
+        }
+
+        mode->Release();
+        i++;
+    }
+
+    itermode->Release();
+
+    if (ctx->bmd_mode == bmdModeUnknown)
+        return -1;
+
+#if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b050000
+    if (direction == DIRECTION_IN) {
+        BMDDisplayMode actualMode = ctx->bmd_mode;
+        if (ctx->dli->DoesSupportVideoMode(ctx->video_input, ctx->bmd_mode, (BMDPixelFormat) cctx->raw_format,
+                                           bmdNoVideoInputConversion, bmdSupportedVideoModeDefault,
+                                           &actualMode, &support) != S_OK || !support || ctx->bmd_mode != actualMode)
+            return -1;
+    } else {
+        BMDDisplayMode actualMode = ctx->bmd_mode;
+        if (ctx->dlo->DoesSupportVideoMode(bmdVideoConnectionUnspecified, ctx->bmd_mode, ctx->raw_format,
+                                           bmdNoVideoOutputConversion, bmdSupportedVideoModeDefault,
+                                           &actualMode, &support) != S_OK || !support || ctx->bmd_mode != actualMode)
+            return -1;
+    }
+    return 0;
+#elif BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000
+    if (direction == DIRECTION_IN) {
+        if (ctx->dli->DoesSupportVideoMode(ctx->video_input, ctx->bmd_mode, (BMDPixelFormat) cctx->raw_format,
+                                           bmdSupportedVideoModeDefault,
+                                           &support) != S_OK)
+            return -1;
+    } else {
+        BMDDisplayMode actualMode = ctx->bmd_mode;
+        if (ctx->dlo->DoesSupportVideoMode(bmdVideoConnectionUnspecified, ctx->bmd_mode, ctx->raw_format,
+                                           bmdSupportedVideoModeDefault,
+                                           &actualMode, &support) != S_OK || !support || ctx->bmd_mode != actualMode) {
+            return -1;
+        }
+
+    }
+    if (support)
+        return 0;
+#else
+    if (direction == DIRECTION_IN) {
+        if (ctx->dli->DoesSupportVideoMode(ctx->bmd_mode, (BMDPixelFormat) cctx->raw_format,
+                                           bmdVideoOutputFlagDefault,
+                                           &support, NULL) != S_OK)
+            return -1;
+    } else {
+        if (!ctx->supports_vanc || ctx->dlo->DoesSupportVideoMode(ctx->bmd_mode, ctx->raw_format,
+                                                                  bmdVideoOutputVANC,
+                                                                  &support, NULL) != S_OK || support != bmdDisplayModeSupported) {
+            /* Try without VANC enabled */
+            if (ctx->dlo->DoesSupportVideoMode(ctx->bmd_mode, ctx->raw_format,
+                                               bmdVideoOutputFlagDefault,
+                                               &support, NULL) != S_OK) {
+                return -1;
+            }
+            ctx->supports_vanc = 0;
+        }
+
+    }
+    if (support == bmdDisplayModeSupported)
+        return 0;
+#endif
+
+    return -1;
+}
+
+int ff_decklink_set_format(AVFormatContext *avctx, decklink_direction_t direction) {
+    return ff_decklink_set_format(avctx, 0, 0, 0, 0, AV_FIELD_UNKNOWN, direction);
+}
+
+int ff_decklink_list_devices(AVFormatContext *avctx,
+                             struct AVDeviceInfoList *device_list,
+                             int show_inputs, int show_outputs)
+{
+    IDeckLink *dl = NULL;
+    IDeckLinkIterator *iter = decklink_create_iterator(avctx);
+    int ret = 0;
+
+    if (!iter)
+        return AVERROR(EIO);
+
+    while (ret == 0 && iter->Next(&dl) == S_OK) {
+        IDeckLinkOutput *output_config;
+        IDeckLinkInput *input_config;
+        const char *display_name = NULL;
+        const char *unique_name = NULL;
+        AVDeviceInfo *new_device = NULL;
+        int add = 0;
+
+        ret = decklink_get_attr_string(dl, BMDDeckLinkDisplayName, &display_name);
+        if (ret < 0)
+            goto next;
+        ret = decklink_get_attr_string(dl, BMDDeckLinkDeviceHandle, &unique_name);
+        if (ret < 0)
+            goto next;
+
+        if (show_outputs) {
+            if (dl->QueryInterface(IID_IDeckLinkOutput, (void **)&output_config) == S_OK) {
+                output_config->Release();
+                add = 1;
+            }
+        }
+
+        if (show_inputs) {
+            if (dl->QueryInterface(IID_IDeckLinkInput, (void **)&input_config) == S_OK) {
+                input_config->Release();
+                add = 1;
+            }
+        }
+
+        if (add == 1) {
+            new_device = (AVDeviceInfo *) av_mallocz(sizeof(AVDeviceInfo));
+            if (!new_device) {
+                ret = AVERROR(ENOMEM);
+                goto next;
+            }
+
+            new_device->device_name = av_strdup(unique_name ? unique_name : display_name);
+            new_device->device_description = av_strdup(display_name);
+
+            if (!new_device->device_name ||
+                !new_device->device_description ||
+                av_dynarray_add_nofree(&device_list->devices, &device_list->nb_devices, new_device) < 0) {
+                ret = AVERROR(ENOMEM);
+                av_freep(&new_device->device_name);
+                av_freep(&new_device->device_description);
+                av_freep(&new_device);
+                goto next;
+            }
+        }
+
+    next:
+        av_freep(&display_name);
+        av_freep(&unique_name);
+        dl->Release();
+    }
+    iter->Release();
+    return ret;
+}
+
+/* This is a wrapper around the ff_decklink_list_devices() which dumps the
+   output to av_log() and exits (for backward compatibility with the
+   "-list_devices" argument). */
+void ff_decklink_list_devices_legacy(AVFormatContext *avctx,
+                                     int show_inputs, int show_outputs)
+{
+    struct AVDeviceInfoList *device_list = NULL;
+    int ret;
+
+    device_list = (struct AVDeviceInfoList *) av_mallocz(sizeof(AVDeviceInfoList));
+    if (!device_list)
+        return;
+
+    ret = ff_decklink_list_devices(avctx, device_list, show_inputs, show_outputs);
+    if (ret == 0) {
+        av_log(avctx, AV_LOG_INFO, "Blackmagic DeckLink %s devices:\n",
+               show_inputs ? "input" : "output");
+        for (int i = 0; i < device_list->nb_devices; i++) {
+            av_log(avctx, AV_LOG_INFO, "\t'%s'\n", device_list->devices[i]->device_description);
+        }
+    }
+    avdevice_free_list_devices(&device_list);
+}
+
+int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direction)
+{
+    struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
+    struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
+    IDeckLinkDisplayModeIterator *itermode;
+    IDeckLinkDisplayMode *mode;
+    uint32_t format_code;
+    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);
+    }
+
+    if (res!= S_OK) {
+            av_log(avctx, AV_LOG_ERROR, "Could not get Display Mode Iterator\n");
+            return AVERROR(EIO);
+    }
+
+    av_log(avctx, AV_LOG_INFO, "Supported formats for '%s':\n\tformat_code\tdescription",
+               avctx->url);
+    while (itermode->Next(&mode) == S_OK) {
+        BMDTimeValue tb_num, tb_den;
+        mode->GetFrameRate(&tb_num, &tb_den);
+        format_code = av_bswap32(mode->GetDisplayMode());
+        av_log(avctx, AV_LOG_INFO, "\n\t%.4s\t\t%ldx%ld at %d/%d fps",
+                (char*) &format_code, mode->GetWidth(), mode->GetHeight(),
+                (int) tb_den, (int) tb_num);
+        switch (mode->GetFieldDominance()) {
+        case bmdLowerFieldFirst:
+        av_log(avctx, AV_LOG_INFO, " (interlaced, lower field first)"); break;
+        case bmdUpperFieldFirst:
+        av_log(avctx, AV_LOG_INFO, " (interlaced, upper field first)"); break;
+        }
+        mode->Release();
+    }
+    av_log(avctx, AV_LOG_INFO, "\n");
+
+    itermode->Release();
+
+    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 = decklink_create_iterator(avctx);
+    if (!iter)
+        return AVERROR_EXTERNAL;
+
+    while (iter->Next(&dl) == S_OK) {
+        const char *display_name = NULL;
+        const char *unique_name = NULL;
+        decklink_get_attr_string(dl, BMDDeckLinkDisplayName, &display_name);
+        decklink_get_attr_string(dl, BMDDeckLinkDeviceHandle, &unique_name);
+        if (display_name && !strcmp(name, display_name) || unique_name && !strcmp(name, unique_name)) {
+            av_free((void *)unique_name);
+            av_free((void *)display_name);
+            ctx->dl = dl;
+            break;
+        }
+        av_free((void *)display_name);
+        av_free((void *)unique_name);
+        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_IDeckLinkProfileAttributes, (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;
+}