lavfi: rename vsink_buffer.c to sink_buffer.c, and vsink_buffer.h to buffersink.h

This is done in order to clarify the non-video-specific nature of the
buffersink code, as the result of the video/audio API unification of
the previous commit, and for improving overall consistency.

1 files changed, 88 insertions, 0 deletions

diff --git a/libavfilter/buffersink.h b/libavfilter/buffersink.h
new file mode 100644
index 0000000000..c5ae7dcdd0
--- /dev/null
+++ b/libavfilter/buffersink.h
@@ -0,0 +1,88 @@
+/*
+ * 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
+ */
+
+#ifndef AVFILTER_VSINK_BUFFER_H
+#define AVFILTER_VSINK_BUFFER_H
+
+/**
+ * @file
+ * memory buffer sink API for audio and video
+ */
+
+#include "avfilter.h"
+
+/**
+ * Struct to use for initializing a buffersink context.
+ */
+typedef struct {
+    const enum PixelFormat *pixel_fmts; ///< list of allowed pixel formats, terminated by PIX_FMT_NONE
+} AVBufferSinkParams;
+
+/**
+ * Create an AVBufferSinkParams structure.
+ *
+ * Must be freed with av_free().
+ */
+AVBufferSinkParams *av_buffersink_params_alloc(void);
+
+/**
+ * Struct to use for initializing an abuffersink context.
+ */
+typedef struct {
+    const enum AVSampleFormat *sample_fmts; ///< list of allowed sample formats, terminated by AV_SAMPLE_FMT_NONE
+    const int64_t *channel_layouts;         ///< list of allowed channel layouts, terminated by -1
+    const int *packing_fmts;                ///< list of allowed packing formats
+} AVABufferSinkParams;
+
+/**
+ * Create an AVABufferSinkParams structure.
+ *
+ * Must be freed with av_free().
+ */
+AVABufferSinkParams *av_abuffersink_params_alloc(void);
+
+/**
+ * Tell av_buffersink_get_buffer_ref() to read video/samples buffer
+ * reference, but not remove it from the buffer. This is useful if you
+ * need only to read a video/samples buffer, without to fetch it.
+ */
+#define AV_BUFFERSINK_FLAG_PEEK 1
+
+/**
+ * Get an audio/video buffer data from buffer_sink and put it in bufref.
+ *
+ * This function works with both audio and video buffer sinks.
+ *
+ * @param buffer_sink pointer to a buffersink or abuffersink context
+ * @param flags a combination of AV_BUFFERSINK_FLAG_* flags
+ * @return >= 0 in case of success, a negative AVERROR code in case of
+ * failure
+ */
+int av_buffersink_get_buffer_ref(AVFilterContext *buffer_sink,
+                                 AVFilterBufferRef **bufref, int flags);
+
+#if FF_API_OLD_VSINK_API
+/**
+ * @deprecated Use av_buffersink_get_buffer_ref() instead.
+ */
+attribute_deprecated
+int av_vsink_buffer_get_video_buffer_ref(AVFilterContext *buffer_sink,
+                                         AVFilterBufferRef **picref, int flags);
+#endif
+
+#endif /* AVFILTER_VSINK_BUFFER_H */