making act segmenter

1 files changed, 294 insertions, 0 deletions

diff --git a/ffmpeg/libavcodec/options.c b/ffmpeg/libavcodec/options.c
new file mode 100644
index 0000000..1d10128
--- /dev/null
+++ b/ffmpeg/libavcodec/options.c
@@ -0,0 +1,294 @@
+/*
+ * Copyright (c) 2001 Fabrice Bellard
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * Options definition for AVCodecContext.
+ */
+
+#include "avcodec.h"
+#include "internal.h"
+#include "libavutil/avassert.h"
+#include "libavutil/mem.h"
+#include "libavutil/opt.h"
+#include <float.h>              /* FLT_MIN, FLT_MAX */
+#include <string.h>
+
+#include "options_table.h"
+
+static const char* context_to_name(void* ptr) {
+    AVCodecContext *avc= ptr;
+
+    if(avc && avc->codec && avc->codec->name)
+        return avc->codec->name;
+    else
+        return "NULL";
+}
+
+static void *codec_child_next(void *obj, void *prev)
+{
+    AVCodecContext *s = obj;
+    if (!prev && s->codec && s->codec->priv_class && s->priv_data)
+        return s->priv_data;
+    return NULL;
+}
+
+static const AVClass *codec_child_class_next(const AVClass *prev)
+{
+    AVCodec *c = NULL;
+
+    /* find the codec that corresponds to prev */
+    while (prev && (c = av_codec_next(c)))
+        if (c->priv_class == prev)
+            break;
+
+    /* find next codec with priv options */
+    while (c = av_codec_next(c))
+        if (c->priv_class)
+            return c->priv_class;
+    return NULL;
+}
+
+static AVClassCategory get_category(void *ptr)
+{
+    AVCodecContext* avctx = ptr;
+    if(avctx->codec && avctx->codec->decode) return AV_CLASS_CATEGORY_DECODER;
+    else                                     return AV_CLASS_CATEGORY_ENCODER;
+}
+
+static const AVClass av_codec_context_class = {
+    .class_name              = "AVCodecContext",
+    .item_name               = context_to_name,
+    .option                  = options,
+    .version                 = LIBAVUTIL_VERSION_INT,
+    .log_level_offset_offset = offsetof(AVCodecContext, log_level_offset),
+    .child_next              = codec_child_next,
+    .child_class_next        = codec_child_class_next,
+    .category                = AV_CLASS_CATEGORY_ENCODER,
+    .get_category            = get_category,
+};
+
+#if FF_API_ALLOC_CONTEXT
+void avcodec_get_context_defaults2(AVCodecContext *s, enum AVMediaType codec_type){
+    AVCodec c= {0};
+    c.type= codec_type;
+    avcodec_get_context_defaults3(s, &c);
+}
+#endif
+
+int avcodec_get_context_defaults3(AVCodecContext *s, const AVCodec *codec)
+{
+    int flags=0;
+    memset(s, 0, sizeof(AVCodecContext));
+
+    s->av_class = &av_codec_context_class;
+
+    s->codec_type = codec ? codec->type : AVMEDIA_TYPE_UNKNOWN;
+    if(s->codec_type == AVMEDIA_TYPE_AUDIO)
+        flags= AV_OPT_FLAG_AUDIO_PARAM;
+    else if(s->codec_type == AVMEDIA_TYPE_VIDEO)
+        flags= AV_OPT_FLAG_VIDEO_PARAM;
+    else if(s->codec_type == AVMEDIA_TYPE_SUBTITLE)
+        flags= AV_OPT_FLAG_SUBTITLE_PARAM;
+    av_opt_set_defaults2(s, flags, flags);
+
+    s->time_base           = (AVRational){0,1};
+    s->get_buffer2         = avcodec_default_get_buffer2;
+    s->get_format          = avcodec_default_get_format;
+    s->execute             = avcodec_default_execute;
+    s->execute2            = avcodec_default_execute2;
+    s->sample_aspect_ratio = (AVRational){0,1};
+    s->pix_fmt             = AV_PIX_FMT_NONE;
+    s->sample_fmt          = AV_SAMPLE_FMT_NONE;
+    s->timecode_frame_start = -1;
+
+    s->reordered_opaque    = AV_NOPTS_VALUE;
+    if(codec && codec->priv_data_size){
+        if(!s->priv_data){
+            s->priv_data= av_mallocz(codec->priv_data_size);
+            if (!s->priv_data) {
+                return AVERROR(ENOMEM);
+            }
+        }
+        if(codec->priv_class){
+            *(const AVClass**)s->priv_data = codec->priv_class;
+            av_opt_set_defaults(s->priv_data);
+        }
+    }
+    if (codec && codec->defaults) {
+        int ret;
+        const AVCodecDefault *d = codec->defaults;
+        while (d->key) {
+            ret = av_opt_set(s, d->key, d->value, 0);
+            av_assert0(ret >= 0);
+            d++;
+        }
+    }
+    return 0;
+}
+
+AVCodecContext *avcodec_alloc_context3(const AVCodec *codec)
+{
+    AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
+
+    if(avctx==NULL) return NULL;
+
+    if(avcodec_get_context_defaults3(avctx, codec) < 0){
+        av_free(avctx);
+        return NULL;
+    }
+
+    return avctx;
+}
+
+#if FF_API_ALLOC_CONTEXT
+AVCodecContext *avcodec_alloc_context2(enum AVMediaType codec_type){
+    AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
+
+    if(avctx==NULL) return NULL;
+
+    avcodec_get_context_defaults2(avctx, codec_type);
+
+    return avctx;
+}
+
+void avcodec_get_context_defaults(AVCodecContext *s){
+    avcodec_get_context_defaults2(s, AVMEDIA_TYPE_UNKNOWN);
+}
+
+AVCodecContext *avcodec_alloc_context(void){
+    return avcodec_alloc_context2(AVMEDIA_TYPE_UNKNOWN);
+}
+#endif
+
+int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
+{
+    if (avcodec_is_open(dest)) { // check that the dest context is uninitialized
+        av_log(dest, AV_LOG_ERROR,
+               "Tried to copy AVCodecContext %p into already-initialized %p\n",
+               src, dest);
+        return AVERROR(EINVAL);
+    }
+    memcpy(dest, src, sizeof(*dest));
+
+    /* set values specific to opened codecs back to their default state */
+    dest->priv_data       = NULL;
+    dest->codec           = NULL;
+    dest->slice_offset    = NULL;
+    dest->hwaccel         = NULL;
+    dest->thread_opaque   = NULL;
+    dest->internal        = NULL;
+
+    /* reallocate values that should be allocated separately */
+    dest->rc_eq           = NULL;
+    dest->extradata       = NULL;
+    dest->intra_matrix    = NULL;
+    dest->inter_matrix    = NULL;
+    dest->rc_override     = NULL;
+    if (src->rc_eq) {
+        dest->rc_eq = av_strdup(src->rc_eq);
+        if (!dest->rc_eq)
+            return AVERROR(ENOMEM);
+    }
+
+#define alloc_and_copy_or_fail(obj, size, pad) \
+    if (src->obj && size > 0) { \
+        dest->obj = av_malloc(size + pad); \
+        if (!dest->obj) \
+            goto fail; \
+        memcpy(dest->obj, src->obj, size); \
+        if (pad) \
+            memset(((uint8_t *) dest->obj) + size, 0, pad); \
+    }
+    alloc_and_copy_or_fail(extradata,    src->extradata_size,
+                           FF_INPUT_BUFFER_PADDING_SIZE);
+    alloc_and_copy_or_fail(intra_matrix, 64 * sizeof(int16_t), 0);
+    alloc_and_copy_or_fail(inter_matrix, 64 * sizeof(int16_t), 0);
+    alloc_and_copy_or_fail(rc_override,  src->rc_override_count * sizeof(*src->rc_override), 0);
+#undef alloc_and_copy_or_fail
+
+    return 0;
+
+fail:
+    av_freep(&dest->rc_override);
+    av_freep(&dest->intra_matrix);
+    av_freep(&dest->inter_matrix);
+    av_freep(&dest->extradata);
+    av_freep(&dest->rc_eq);
+    return AVERROR(ENOMEM);
+}
+
+const AVClass *avcodec_get_class(void)
+{
+    return &av_codec_context_class;
+}
+
+#define FOFFSET(x) offsetof(AVFrame,x)
+
+static const AVOption frame_options[]={
+{"best_effort_timestamp", "", FOFFSET(best_effort_timestamp), AV_OPT_TYPE_INT64, {.i64 = AV_NOPTS_VALUE }, INT64_MIN, INT64_MAX, 0},
+{"pkt_pos", "", FOFFSET(pkt_pos), AV_OPT_TYPE_INT64, {.i64 = -1 }, INT64_MIN, INT64_MAX, 0},
+{"pkt_size", "", FOFFSET(pkt_size), AV_OPT_TYPE_INT64, {.i64 = -1 }, INT64_MIN, INT64_MAX, 0},
+{"sample_aspect_ratio", "", FOFFSET(sample_aspect_ratio), AV_OPT_TYPE_RATIONAL, {.dbl = 0 }, 0, INT_MAX, 0},
+{"width", "", FOFFSET(width), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
+{"height", "", FOFFSET(height), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
+{"format", "", FOFFSET(format), AV_OPT_TYPE_INT, {.i64 = -1 }, 0, INT_MAX, 0},
+{"channel_layout", "", FOFFSET(channel_layout), AV_OPT_TYPE_INT64, {.i64 = 0 }, 0, INT64_MAX, 0},
+{"sample_rate", "", FOFFSET(sample_rate), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
+{NULL},
+};
+
+static const AVClass av_frame_class = {
+    .class_name              = "AVFrame",
+    .item_name               = NULL,
+    .option                  = frame_options,
+    .version                 = LIBAVUTIL_VERSION_INT,
+};
+
+const AVClass *avcodec_get_frame_class(void)
+{
+    return &av_frame_class;
+}
+
+#define SROFFSET(x) offsetof(AVSubtitleRect,x)
+
+static const AVOption subtitle_rect_options[]={
+{"x", "", SROFFSET(x), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
+{"y", "", SROFFSET(y), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
+{"w", "", SROFFSET(w), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
+{"h", "", SROFFSET(h), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
+{"type", "", SROFFSET(type), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
+{"flags", "", SROFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, 1, 0, "flags"},
+{"forced", "", SROFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, 1, 0},
+{NULL},
+};
+
+static const AVClass av_subtitle_rect_class = {
+    .class_name             = "AVSubtitleRect",
+    .item_name              = NULL,
+    .option                 = subtitle_rect_options,
+    .version                = LIBAVUTIL_VERSION_INT,
+};
+
+const AVClass *avcodec_get_subtitle_rect_class(void)
+{
+    return &av_subtitle_rect_class;
+}