X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Finternal.h;h=b435a359fb182260261bfd810975f1f8ce139069;hb=9d7cee50aa349563aa5faca1cff256ffccff6551;hp=adeb11e05d61c8e1da3190a895802c04857dd92b;hpb=b78e7197a81e193827cf2408fe25bc1f14843a72;p=ffmpeg

diff --git a/libavcodec/internal.h b/libavcodec/internal.h
index adeb11e05d6..b435a359fb1 100644
--- a/libavcodec/internal.h
+++ b/libavcodec/internal.h
@@ -1,32 +1,130 @@
 /*
- * copyright (C) 2006 Corey Hickey
+ * This file is part of Libav.
  *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef INTERNAL_H
-#define INTERNAL_H
+/**
+ * @file
+ * common internal api header.
+ */
+
+#ifndef AVCODEC_INTERNAL_H
+#define AVCODEC_INTERNAL_H
+
+#include <stdint.h>
+
+#include "libavutil/pixfmt.h"
+#include "avcodec.h"
+
+typedef struct InternalBuffer {
+    uint8_t *base[AV_NUM_DATA_POINTERS];
+    uint8_t *data[AV_NUM_DATA_POINTERS];
+    int linesize[AV_NUM_DATA_POINTERS];
+    int width;
+    int height;
+    enum PixelFormat pix_fmt;
+    uint8_t **extended_data;
+    int audio_data_size;
+    int nb_channels;
+} InternalBuffer;
+
+typedef struct AVCodecInternal {
+    /**
+     * internal buffer count
+     * used by default get/release/reget_buffer().
+     */
+    int buffer_count;
+
+    /**
+     * internal buffers
+     * used by default get/release/reget_buffer().
+     */
+    InternalBuffer *buffer;
+
+    /**
+     * Whether the parent AVCodecContext is a copy of the context which had
+     * init() called on it.
+     * This is used by multithreading - shared tables and picture pointers
+     * should be freed from the original context only.
+     */
+    int is_copy;
+
+#if FF_API_OLD_DECODE_AUDIO
+    /**
+     * Internal sample count used by avcodec_encode_audio() to fabricate pts.
+     * Can be removed along with avcodec_encode_audio().
+     */
+    int sample_count;
+#endif
+} AVCodecInternal;
+
+struct AVCodecDefault {
+    const uint8_t *key;
+    const uint8_t *value;
+};
 
 /**
- * @file internal.h
- * common functions for internal libavcodec use
+ * Determine whether pix_fmt is a hardware accelerated format.
  */
+int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
 
+/**
+ * Return the hardware accelerated codec for codec codec_id and
+ * pixel format pix_fmt.
+ *
+ * @param codec_id the codec to match
+ * @param pix_fmt the pixel format to match
+ * @return the hardware accelerated codec, or NULL if none was found.
+ */
+AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
+
+/**
+ * Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
+ * If there is no such matching pair then size is returned.
+ */
+int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
 
-int av_tempfile(char *prefix, char **filename);
+unsigned int avpriv_toupper4(unsigned int x);
+
+int avpriv_lock_avformat(void);
+int avpriv_unlock_avformat(void);
+
+/**
+ * Maximum size in bytes of extradata.
+ * This value was chosen such that every bit of the buffer is
+ * addressable by a 32-bit signed integer as used by get_bits.
+ */
+#define FF_MAX_EXTRADATA_SIZE ((1 << 28) - FF_INPUT_BUFFER_PADDING_SIZE)
+
+/**
+ * Check AVPacket size and/or allocate data.
+ *
+ * Encoders supporting AVCodec.encode2() can use this as a convenience to
+ * ensure the output packet data is large enough, whether provided by the user
+ * or allocated in this function.
+ *
+ * @param avpkt   the AVPacket
+ *                If avpkt->data is already set, avpkt->size is checked
+ *                to ensure it is large enough.
+ *                If avpkt->data is NULL, a new buffer is allocated.
+ *                avpkt->size is set to the specified size.
+ *                All other AVPacket fields will be reset with av_init_packet().
+ * @param size    the minimum required packet size
+ * @return        0 on success, negative error code on failure
+ */
+int ff_alloc_packet(AVPacket *avpkt, int size);
 
-#endif /* INTERNAL_H */
+#endif /* AVCODEC_INTERNAL_H */