Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 322 insertions, 0 deletions

diff --git a/media/ffvpx/libavcodec/codec_internal.h b/media/ffvpx/libavcodec/codec_internal.h
new file mode 100644
index 0000000000..e3b77e6dea
--- /dev/null
+++ b/media/ffvpx/libavcodec/codec_internal.h
@@ -0,0 +1,322 @@
+/*
+ * 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_CODEC_INTERNAL_H
+#define AVCODEC_CODEC_INTERNAL_H
+
+#include <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "codec.h"
+#include "config.h"
+
+/**
+ * The codec is not known to be init-threadsafe (i.e. it might be unsafe
+ * to initialize this codec and another codec concurrently, typically because
+ * the codec calls external APIs that are not known to be thread-safe).
+ * Therefore calling the codec's init function needs to be guarded with a lock.
+ */
+#define FF_CODEC_CAP_NOT_INIT_THREADSAFE    (1 << 0)
+/**
+ * The codec allows calling the close function for deallocation even if
+ * the init function returned a failure. Without this capability flag, a
+ * codec does such cleanup internally when returning failures from the
+ * init function and does not expect the close function to be called at
+ * all.
+ */
+#define FF_CODEC_CAP_INIT_CLEANUP           (1 << 1)
+/**
+ * Decoders marked with FF_CODEC_CAP_SETS_PKT_DTS want to set
+ * AVFrame.pkt_dts manually. If the flag is set, decode.c won't overwrite
+ * this field. If it's unset, decode.c tries to guess the pkt_dts field
+ * from the input AVPacket.
+ */
+#define FF_CODEC_CAP_SETS_PKT_DTS           (1 << 2)
+/**
+ * The decoder extracts and fills its parameters even if the frame is
+ * skipped due to the skip_frame setting.
+ */
+#define FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM  (1 << 3)
+/**
+ * The decoder sets the cropping fields in the output frames manually.
+ * If this cap is set, the generic code will initialize output frame
+ * dimensions to coded rather than display values.
+ */
+#define FF_CODEC_CAP_EXPORTS_CROPPING       (1 << 4)
+/**
+ * Codec initializes slice-based threading with a main function
+ */
+#define FF_CODEC_CAP_SLICE_THREAD_HAS_MF    (1 << 5)
+/*
+ * The codec supports frame threading and has inter-frame dependencies, so it
+ * uses ff_thread_report/await_progress().
+ */
+#define FF_CODEC_CAP_ALLOCATE_PROGRESS      (1 << 6)
+/**
+ * Codec handles avctx->thread_count == 0 (auto) internally.
+ */
+#define FF_CODEC_CAP_AUTO_THREADS           (1 << 7)
+/**
+ * Codec handles output frame properties internally instead of letting the
+ * internal logic derive them from AVCodecInternal.last_pkt_props.
+ */
+#define FF_CODEC_CAP_SETS_FRAME_PROPS       (1 << 8)
+/**
+ * Codec supports embedded ICC profiles (AV_FRAME_DATA_ICC_PROFILE).
+ */
+#define FF_CODEC_CAP_ICC_PROFILES           (1 << 9)
+
+/**
+ * FFCodec.codec_tags termination value
+ */
+#define FF_CODEC_TAGS_END -1
+
+typedef struct FFCodecDefault {
+    const char *key;
+    const char *value;
+} FFCodecDefault;
+
+struct AVCodecContext;
+struct AVSubtitle;
+struct AVPacket;
+
+enum FFCodecType {
+    /* The codec is a decoder using the decode callback;
+     * audio and video codecs only. */
+    FF_CODEC_CB_TYPE_DECODE,
+    /* The codec is a decoder using the decode_sub callback;
+     * subtitle codecs only. */
+    FF_CODEC_CB_TYPE_DECODE_SUB,
+    /* The codec is a decoder using the receive_frame callback;
+     * audio and video codecs only. */
+    FF_CODEC_CB_TYPE_RECEIVE_FRAME,
+    /* The codec is an encoder using the encode callback;
+     * audio and video codecs only. */
+    FF_CODEC_CB_TYPE_ENCODE,
+    /* The codec is an encoder using the encode_sub callback;
+     * subtitle codecs only. */
+    FF_CODEC_CB_TYPE_ENCODE_SUB,
+    /* The codec is an encoder using the receive_packet callback;
+     * audio and video codecs only. */
+    FF_CODEC_CB_TYPE_RECEIVE_PACKET,
+};
+
+typedef struct FFCodec {
+    /**
+     * The public AVCodec. See codec.h for it.
+     */
+    AVCodec p;
+
+    /**
+     * Internal codec capabilities FF_CODEC_CAP_*.
+     */
+    unsigned caps_internal:29;
+
+    /**
+     * This field determines the type of the codec (decoder/encoder)
+     * and also the exact callback cb implemented by the codec.
+     * cb_type uses enum FFCodecType values.
+     */
+    unsigned cb_type:3;
+
+    int priv_data_size;
+    /**
+     * @name Frame-level threading support functions
+     * @{
+     */
+    /**
+     * Copy necessary context variables from a previous thread context to the current one.
+     * If not defined, the next thread will start automatically; otherwise, the codec
+     * must call ff_thread_finish_setup().
+     *
+     * dst and src will (rarely) point to the same context, in which case memcpy should be skipped.
+     */
+    int (*update_thread_context)(struct AVCodecContext *dst, const struct AVCodecContext *src);
+
+    /**
+     * Copy variables back to the user-facing context
+     */
+    int (*update_thread_context_for_user)(struct AVCodecContext *dst, const struct AVCodecContext *src);
+    /** @} */
+
+    /**
+     * Private codec-specific defaults.
+     */
+    const FFCodecDefault *defaults;
+
+    /**
+     * Initialize codec static data, called from av_codec_iterate().
+     *
+     * This is not intended for time consuming operations as it is
+     * run for every codec regardless of that codec being used.
+     */
+    void (*init_static_data)(struct FFCodec *codec);
+
+    int (*init)(struct AVCodecContext *);
+
+    union {
+        /**
+         * Decode to an AVFrame.
+         * cb is in this state if cb_type is FF_CODEC_CB_TYPE_DECODE.
+         *
+         * @param      avctx          codec context
+         * @param[out] frame          AVFrame for output
+         * @param[out] got_frame_ptr  decoder sets to 0 or 1 to indicate that
+         *                            a non-empty frame was returned in frame.
+         * @param[in]  avpkt          AVPacket containing the data to be decoded
+         * @return amount of bytes read from the packet on success,
+         *         negative error code on failure
+         */
+        int (*decode)(struct AVCodecContext *avctx, struct AVFrame *frame,
+                      int *got_frame_ptr, struct AVPacket *avpkt);
+        /**
+         * Decode subtitle data to an AVSubtitle.
+         * cb is in this state if cb_type is FF_CODEC_CB_TYPE_DECODE_SUB.
+         *
+         * Apart from that this is like the decode callback.
+         */
+        int (*decode_sub)(struct AVCodecContext *avctx, struct AVSubtitle *sub,
+                          int *got_frame_ptr, const struct AVPacket *avpkt);
+        /**
+         * Decode API with decoupled packet/frame dataflow.
+         * cb is in this state if cb_type is FF_CODEC_CB_TYPE_RECEIVE_FRAME.
+         *
+         * This function is called to get one output frame. It should call
+         * ff_decode_get_packet() to obtain input data.
+         */
+        int (*receive_frame)(struct AVCodecContext *avctx, struct AVFrame *frame);
+        /**
+         * Encode data to an AVPacket.
+         * cb is in this state if cb_type is FF_CODEC_CB_TYPE_ENCODE
+         *
+         * @param      avctx          codec context
+         * @param[out] avpkt          output AVPacket
+         * @param[in]  frame          AVFrame containing the input to be encoded
+         * @param[out] got_packet_ptr encoder sets to 0 or 1 to indicate that a
+         *                            non-empty packet was returned in avpkt.
+         * @return 0 on success, negative error code on failure
+         */
+        int (*encode)(struct AVCodecContext *avctx, struct AVPacket *avpkt,
+                      const struct AVFrame *frame, int *got_packet_ptr);
+        /**
+         * Encode subtitles to a raw buffer.
+         * cb is in this state if cb_type is FF_CODEC_CB_TYPE_ENCODE_SUB.
+         */
+        int (*encode_sub)(struct AVCodecContext *avctx, uint8_t *buf,
+                          int buf_size, const struct AVSubtitle *sub);
+        /**
+         * Encode API with decoupled frame/packet dataflow.
+         * cb is in this state if cb_type is FF_CODEC_CB_TYPE_RECEIVE_PACKET.
+         *
+         * This function is called to get one output packet.
+         * It should call ff_encode_get_frame() to obtain input data.
+         */
+        int (*receive_packet)(struct AVCodecContext *avctx, struct AVPacket *avpkt);
+    } cb;
+
+    int (*close)(struct AVCodecContext *);
+
+    /**
+     * Flush buffers.
+     * Will be called when seeking
+     */
+    void (*flush)(struct AVCodecContext *);
+
+    /**
+     * Decoding only, a comma-separated list of bitstream filters to apply to
+     * packets before decoding.
+     */
+    const char *bsfs;
+
+    /**
+     * Array of pointers to hardware configurations supported by the codec,
+     * or NULL if no hardware supported.  The array is terminated by a NULL
+     * pointer.
+     *
+     * The user can only access this field via avcodec_get_hw_config().
+     */
+    const struct AVCodecHWConfigInternal *const *hw_configs;
+
+    /**
+     * List of supported codec_tags, terminated by FF_CODEC_TAGS_END.
+     */
+    const uint32_t *codec_tags;
+} FFCodec;
+
+#if CONFIG_SMALL
+#define CODEC_LONG_NAME(str) .p.long_name = NULL
+#else
+#define CODEC_LONG_NAME(str) .p.long_name = str
+#endif
+
+#if HAVE_THREADS
+#define UPDATE_THREAD_CONTEXT(func) \
+        .update_thread_context          = (func)
+#define UPDATE_THREAD_CONTEXT_FOR_USER(func) \
+        .update_thread_context_for_user = (func)
+#else
+#define UPDATE_THREAD_CONTEXT(func) \
+        .update_thread_context          = NULL
+#define UPDATE_THREAD_CONTEXT_FOR_USER(func) \
+        .update_thread_context_for_user = NULL
+#endif
+
+#if FF_API_OLD_CHANNEL_LAYOUT
+#define CODEC_OLD_CHANNEL_LAYOUTS(...) CODEC_OLD_CHANNEL_LAYOUTS_ARRAY(((const uint64_t[]) { __VA_ARGS__, 0 }))
+#if defined(__clang__)
+#define CODEC_OLD_CHANNEL_LAYOUTS_ARRAY(array) \
+        FF_DISABLE_DEPRECATION_WARNINGS \
+        .p.channel_layouts = (array), \
+        FF_ENABLE_DEPRECATION_WARNINGS
+#else
+#define CODEC_OLD_CHANNEL_LAYOUTS_ARRAY(array) .p.channel_layouts = (array),
+#endif
+#else
+/* This is only provided to allow to test disabling FF_API_OLD_CHANNEL_LAYOUT
+ * without removing all the FF_API_OLD_CHANNEL_LAYOUT codeblocks.
+ * It is of course still expected to be removed when FF_API_OLD_CHANNEL_LAYOUT
+ * will be finally removed (along with all usages of these macros). */
+#define CODEC_OLD_CHANNEL_LAYOUTS(...)
+#define CODEC_OLD_CHANNEL_LAYOUTS_ARRAY(array)
+#endif
+
+#define FF_CODEC_DECODE_CB(func)                          \
+    .cb_type           = FF_CODEC_CB_TYPE_DECODE,         \
+    .cb.decode         = (func)
+#define FF_CODEC_DECODE_SUB_CB(func)                      \
+    .cb_type           = FF_CODEC_CB_TYPE_DECODE_SUB,     \
+    .cb.decode_sub     = (func)
+#define FF_CODEC_RECEIVE_FRAME_CB(func)                   \
+    .cb_type           = FF_CODEC_CB_TYPE_RECEIVE_FRAME,  \
+    .cb.receive_frame  = (func)
+#define FF_CODEC_ENCODE_CB(func)                          \
+    .cb_type           = FF_CODEC_CB_TYPE_ENCODE,         \
+    .cb.encode         = (func)
+#define FF_CODEC_ENCODE_SUB_CB(func)                      \
+    .cb_type           = FF_CODEC_CB_TYPE_ENCODE_SUB,     \
+    .cb.encode_sub     = (func)
+#define FF_CODEC_RECEIVE_PACKET_CB(func)                  \
+    .cb_type           = FF_CODEC_CB_TYPE_RECEIVE_PACKET, \
+    .cb.receive_packet = (func)
+
+static av_always_inline const FFCodec *ffcodec(const AVCodec *codec)
+{
+    return (const FFCodec*)codec;
+}
+
+#endif /* AVCODEC_CODEC_INTERNAL_H */