ffmpeg-2.8.5

git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-02-05 22:08:02 +00:00
parent a08f61ddb9
commit a4b787f4b8
5429 changed files with 1356786 additions and 0 deletions
--- a/contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/hap.h
+++ b/contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/hap.h
@@ -0,0 +1,98 @@
+/*
+ * Vidvox Hap
+ * Copyright (C) 2015 Vittorio Giovara <vittorio.giovara@gmail.com>
+ * Copyright (C) 2015 Tom Butterworth <bangnoise@gmail.com>
+ *
+ * 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 AVCODEC_HAP_H
+#define AVCODEC_HAP_H
+
+#include <stdint.h>
+
+#include "libavutil/opt.h"
+
+#include "bytestream.h"
+#include "texturedsp.h"
+
+enum HapTextureFormat {
+    HAP_FMT_RGBDXT1   = 0x0B,
+    HAP_FMT_RGBADXT5  = 0x0E,
+    HAP_FMT_YCOCGDXT5 = 0x0F,
+};
+
+enum HapCompressor {
+    HAP_COMP_NONE    = 0xA0,
+    HAP_COMP_SNAPPY  = 0xB0,
+    HAP_COMP_COMPLEX = 0xC0,
+};
+
+enum HapSectionType {
+    HAP_ST_DECODE_INSTRUCTIONS = 0x01,
+    HAP_ST_COMPRESSOR_TABLE    = 0x02,
+    HAP_ST_SIZE_TABLE          = 0x03,
+    HAP_ST_OFFSET_TABLE        = 0x04,
+};
+
+typedef struct HapChunk {
+    enum HapCompressor compressor;
+    int compressed_offset;
+    size_t compressed_size;
+    int uncompressed_offset;
+    size_t uncompressed_size;
+} HapChunk;
+
+typedef struct HapContext {
+    AVClass *class;
+
+    TextureDSPContext dxtc;
+    GetByteContext gbc;
+
+    enum HapTextureFormat opt_tex_fmt; /* Texture type (encoder only) */
+    int opt_chunk_count; /* User-requested chunk count (encoder only) */
+
+    int chunk_count;
+    HapChunk *chunks;
+    int *chunk_results;      /* Results from threaded operations */
+
+    int tex_rat;             /* Compression ratio */
+    const uint8_t *tex_data; /* Compressed texture */
+    uint8_t *tex_buf;        /* Buffer for compressed texture */
+    size_t tex_size;         /* Size of the compressed texture */
+
+    size_t max_snappy;       /* Maximum compressed size for snappy buffer */
+
+    int slice_count;         /* Number of slices for threaded operations */
+
+    /* Pointer to the selected compress or decompress function */
+    int (*tex_fun)(uint8_t *dst, ptrdiff_t stride, const uint8_t *block);
+} HapContext;
+
+/*
+ * Set the number of chunks in the frame. Returns 0 on success or an error if:
+ * - first_in_frame is 0 and the number of chunks has changed
+ * - any other error occurs
+ */
+int ff_hap_set_chunk_count(HapContext *ctx, int count, int first_in_frame);
+
+/*
+ * Free resources associated with the context
+ */
+av_cold void ff_hap_free_context(HapContext *ctx);
+
+#endif /* AVCODEC_HAP_H */