diff options
Diffstat (limited to 'libavfilter/buffer.c')
-rw-r--r-- | libavfilter/buffer.c | 114 |
1 files changed, 56 insertions, 58 deletions
diff --git a/libavfilter/buffer.c b/libavfilter/buffer.c index fd0b18f..a5b3b1d 100644 --- a/libavfilter/buffer.c +++ b/libavfilter/buffer.c @@ -1,53 +1,79 @@ /* - * This file is part of Libav. + * Copyright Stefano Sabatini <stefasab gmail com> + * Copyright Anton Khirnov <anton khirnov net> + * Copyright Michael Niedermayer <michaelni gmx at> * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * 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 -/* 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_freep(&ptr->data[0]); av_free(ptr); } +static int 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); + if (!dst->qp_table) { + av_log(NULL, AV_LOG_ERROR, "Failed to allocate qp_table\n"); + dst->qp_table_size = 0; + return AVERROR(ENOMEM); + } + memcpy(dst->qp_table, src->qp_table, qsize); + } + return 0; +} + 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; } - *ret->video = *ref->video; + 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)); @@ -57,9 +83,9 @@ AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask) } *ret->audio = *ref->audio; - if (ref->extended_data != ref->data) { + 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) * + if (!(ret->extended_data = av_malloc_array(sizeof(*ret->extended_data), nb_channels))) { av_freep(&ret->audio); av_freep(&ret); @@ -79,12 +105,16 @@ 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); - av_free(ref->video); - av_free(ref->audio); + 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); } @@ -99,13 +129,17 @@ FF_ENABLE_DEPRECATION_WARNINGS 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->pixel_aspect = src->sample_aspect_ratio; + 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; @@ -122,60 +156,24 @@ int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src) 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) +void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, const 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_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 */ |