avdevice/decklink: move general code of decklink encoder to common file

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 98 insertions, 0 deletions

diff --git a/libavdevice/decklink_common.h b/libavdevice/decklink_common.h
new file mode 100644
index 0000000000..544da27836
--- /dev/null
+++ b/libavdevice/decklink_common.h
@@ -0,0 +1,98 @@
+/*
+ * Blackmagic DeckLink common code
+ * 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 "decklink_common_c.h"
+
+class decklink_output_callback;
+class decklink_input_callback;
+
+typedef struct AVPacketQueue {
+    AVPacketList *first_pkt, *last_pkt;
+    int nb_packets;
+    unsigned long long size;
+    int abort_request;
+    pthread_mutex_t mutex;
+    pthread_cond_t cond;
+    AVFormatContext *avctx;
+} AVPacketQueue;
+
+struct decklink_ctx {
+    /* DeckLink SDK interfaces */
+    IDeckLink *dl;
+    IDeckLinkOutput *dlo;
+    IDeckLinkInput *dli;
+    decklink_output_callback *output_callback;
+    decklink_input_callback *input_callback;
+
+    /* DeckLink mode information */
+    BMDTimeValue bmd_tb_den;
+    BMDTimeValue bmd_tb_num;
+    BMDDisplayMode bmd_mode;
+    int bmd_width;
+    int bmd_height;
+    int bmd_field_dominance;
+
+    /* Capture buffer queue */
+    AVPacketQueue queue;
+
+    /* Streams present */
+    int audio;
+    int video;
+
+    /* Status */
+    int playback_started;
+    int capture_started;
+    int64_t last_pts;
+    unsigned long frameCount;
+    unsigned int dropped;
+    AVStream *audio_st;
+    AVStream *video_st;
+
+    /* Options */
+    int list_devices;
+    int list_formats;
+    double preroll;
+
+    int frames_preroll;
+    int frames_buffer;
+
+    sem_t semaphore;
+
+    int channels;
+};
+
+typedef enum { DIRECTION_IN, DIRECTION_OUT} decklink_direction_t;
+
+#ifdef _WIN32
+typedef unsigned long buffercount_type;
+IDeckLinkIterator *CreateDeckLinkIteratorInstance(void);
+char *dup_wchar_to_utf8(wchar_t *w);
+#else
+typedef uint32_t buffercount_type;
+#endif
+
+
+HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName);
+int ff_decklink_set_format(AVFormatContext *avctx, int width, int height, int tb_num, int tb_den, decklink_direction_t direction = DIRECTION_OUT, int num = 0);
+int ff_decklink_set_format(AVFormatContext *avctx, decklink_direction_t direction, int num);
+int ff_decklink_list_devices(AVFormatContext *avctx);
+int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direction = DIRECTION_OUT);
+