diff options
Diffstat (limited to 'libavfilter/buffer.c')
| -rw-r--r-- | libavfilter/buffer.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/libavfilter/buffer.c b/libavfilter/buffer.c deleted file mode 100644 index fd0b18fb76..0000000000 --- a/libavfilter/buffer.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * This file is part of Libav. - * - * 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. - * - * 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 Libav; 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/common.h" -#include "libavutil/internal.h" -#include "libavcodec/avcodec.h" - -#include "avfilter.h" -#include "internal.h" -#include "version.h" - -#if FF_API_AVFILTERBUFFER -/* TODO: buffer pool. see comment for avfilter_default_get_video_buffer() */ -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); -} - -AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask) -{ - AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef)); - if (!ret) - return NULL; - *ret = *ref; - if (ref->type == AVMEDIA_TYPE_VIDEO) { - ret->video = av_malloc(sizeof(AVFilterBufferRefVideoProps)); - if (!ret->video) { - av_free(ret); - return NULL; - } - *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->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; - if (!(--ref->buf->refcount)) - ref->buf->free(ref->buf); - if (ref->extended_data != ref->data) - av_freep(&ref->extended_data); - av_free(ref->video); - av_free(ref->audio); - 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->format = src->format; - - switch (dst->type) { - case AVMEDIA_TYPE_VIDEO: - dst->video->w = src->width; - dst->video->h = src->height; - dst->video->pixel_aspect = 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; -} - -int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src) -{ - int planes, nb_channels; - - memcpy(dst->data, src->data, sizeof(dst->data)); - memcpy(dst->linesize, src->linesize, sizeof(dst->linesize)); - - dst->pts = src->pts; - dst->format = src->format; - - switch (src->type) { - case AVMEDIA_TYPE_VIDEO: - dst->width = src->video->w; - dst->height = src->video->h; - dst->sample_aspect_ratio = src->video->pixel_aspect; - dst->interlaced_frame = src->video->interlaced; - dst->top_field_first = src->video->top_field_first; - dst->key_frame = src->video->key_frame; - dst->pict_type = src->video->pict_type; - break; - case AVMEDIA_TYPE_AUDIO: - nb_channels = av_get_channel_layout_nb_channels(src->audio->channel_layout); - planes = av_sample_fmt_is_planar(src->format) ? nb_channels : 1; - - if (planes > FF_ARRAY_ELEMS(dst->data)) { - dst->extended_data = av_mallocz(planes * sizeof(*dst->extended_data)); - if (!dst->extended_data) - return AVERROR(ENOMEM); - memcpy(dst->extended_data, src->extended_data, - planes * sizeof(*dst->extended_data)); - } else - dst->extended_data = dst->data; - - dst->sample_rate = src->audio->sample_rate; - dst->channel_layout = src->audio->channel_layout; - dst->nb_samples = src->audio->nb_samples; - 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: *dst->video = *src->video; break; - case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break; - default: break; - } -} -#endif /* FF_API_AVFILTERBUFFER */ |