diff options
Diffstat (limited to 'ffmpeg/libavfilter/buffer.c')
| -rw-r--r-- | ffmpeg/libavfilter/buffer.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/ffmpeg/libavfilter/buffer.c b/ffmpeg/libavfilter/buffer.c deleted file mode 100644 index a626184..0000000 --- a/ffmpeg/libavfilter/buffer.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Copyright Stefano Sabatini <stefasab gmail com> - * Copyright Anton Khirnov <anton khirnov net> - * Copyright 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 - */ - -#include "libavutil/channel_layout.h" -#include "libavutil/avassert.h" -#include "libavutil/common.h" -#include "libavutil/imgutils.h" -#include "libavutil/internal.h" -#include "libavcodec/avcodec.h" - -#include "avfilter.h" -#include "internal.h" -#include "audio.h" -#include "avcodec.h" -#include "version.h" - -#if FF_API_AVFILTERBUFFER -void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr) -{ - if (ptr->extended_data != ptr->data) - av_freep(&ptr->extended_data); - av_free(ptr->data[0]); - av_free(ptr); -} - -static void copy_video_props(AVFilterBufferRefVideoProps *dst, AVFilterBufferRefVideoProps *src) { - *dst = *src; - if (src->qp_table) { - int qsize = src->qp_table_size; - dst->qp_table = av_malloc(qsize); - memcpy(dst->qp_table, src->qp_table, qsize); - } -} - -AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask) -{ - AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef)); - if (!ret) - return NULL; - *ret = *ref; - - ret->metadata = NULL; - av_dict_copy(&ret->metadata, ref->metadata, 0); - - if (ref->type == AVMEDIA_TYPE_VIDEO) { - ret->video = av_malloc(sizeof(AVFilterBufferRefVideoProps)); - if (!ret->video) { - av_free(ret); - return NULL; - } - copy_video_props(ret->video, ref->video); - ret->extended_data = ret->data; - } else if (ref->type == AVMEDIA_TYPE_AUDIO) { - ret->audio = av_malloc(sizeof(AVFilterBufferRefAudioProps)); - if (!ret->audio) { - av_free(ret); - return NULL; - } - *ret->audio = *ref->audio; - - if (ref->extended_data && ref->extended_data != ref->data) { - int nb_channels = av_get_channel_layout_nb_channels(ref->audio->channel_layout); - if (!(ret->extended_data = av_malloc(sizeof(*ret->extended_data) * - nb_channels))) { - av_freep(&ret->audio); - av_freep(&ret); - return NULL; - } - memcpy(ret->extended_data, ref->extended_data, - sizeof(*ret->extended_data) * nb_channels); - } else - ret->extended_data = ret->data; - } - ret->perms &= pmask; - ret->buf->refcount ++; - return ret; -} - -void avfilter_unref_buffer(AVFilterBufferRef *ref) -{ - if (!ref) - return; - av_assert0(ref->buf->refcount > 0); - if (!(--ref->buf->refcount)) - ref->buf->free(ref->buf); - if (ref->extended_data != ref->data) - av_freep(&ref->extended_data); - if (ref->video) - av_freep(&ref->video->qp_table); - av_freep(&ref->video); - av_freep(&ref->audio); - av_dict_free(&ref->metadata); - av_free(ref); -} - -void avfilter_unref_bufferp(AVFilterBufferRef **ref) -{ -FF_DISABLE_DEPRECATION_WARNINGS - avfilter_unref_buffer(*ref); -FF_ENABLE_DEPRECATION_WARNINGS - *ref = NULL; -} - -int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src) -{ - dst->pts = src->pts; - dst->pos = av_frame_get_pkt_pos(src); - dst->format = src->format; - - av_dict_free(&dst->metadata); - av_dict_copy(&dst->metadata, av_frame_get_metadata(src), 0); - - switch (dst->type) { - case AVMEDIA_TYPE_VIDEO: - dst->video->w = src->width; - dst->video->h = src->height; - dst->video->sample_aspect_ratio = src->sample_aspect_ratio; - dst->video->interlaced = src->interlaced_frame; - dst->video->top_field_first = src->top_field_first; - dst->video->key_frame = src->key_frame; - dst->video->pict_type = src->pict_type; - break; - case AVMEDIA_TYPE_AUDIO: - dst->audio->sample_rate = src->sample_rate; - dst->audio->channel_layout = src->channel_layout; - break; - default: - return AVERROR(EINVAL); - } - - return 0; -} - -void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src) -{ - // copy common properties - dst->pts = src->pts; - dst->pos = src->pos; - - switch (src->type) { - case AVMEDIA_TYPE_VIDEO: { - if (dst->video->qp_table) - av_freep(&dst->video->qp_table); - copy_video_props(dst->video, src->video); - break; - } - case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break; - default: break; - } - - av_dict_free(&dst->metadata); - av_dict_copy(&dst->metadata, src->metadata, 0); -} -#endif /* FF_API_AVFILTERBUFFER */ |