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Diffstat (limited to 'ffmpeg/libavcodec/options.c')
-rw-r--r--ffmpeg/libavcodec/options.c273
1 files changed, 0 insertions, 273 deletions
diff --git a/ffmpeg/libavcodec/options.c b/ffmpeg/libavcodec/options.c
deleted file mode 100644
index 5ee9d6b..0000000
--- a/ffmpeg/libavcodec/options.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*
- * 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 = avcodec_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,
-};
-
-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 (codec)
- s->codec_id = codec->id;
-
- 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;
-}
-
-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);
- }
-
- av_opt_free(dest);
- av_free(dest->priv_data);
-
- 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->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);
- alloc_and_copy_or_fail(subtitle_header, src->subtitle_header_size, 1);
-#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;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 10:05:49 +0000