C++ (Cpp) wipe_side_data Beispiele

Beispiel #1

Datei: frame.c Projekt: chenwaichung/FFmpeg

void av_frame_unref(AVFrame *frame)
{
    int i;

    if (!frame)
        return;

    wipe_side_data(frame);

    for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
        av_buffer_unref(&frame->buf[i]);
    for (i = 0; i < frame->nb_extended_buf; i++)
        av_buffer_unref(&frame->extended_buf[i]);
    av_freep(&frame->extended_buf);
    av_dict_free(&frame->metadata);
#if FF_API_FRAME_QP
    av_buffer_unref(&frame->qp_table_buf);
#endif

    av_buffer_unref(&frame->hw_frames_ctx);

    av_buffer_unref(&frame->opaque_ref);

    get_frame_defaults(frame);
}

Beispiel #2

Datei: frame.c Projekt: 411697643/FFmpeg

static int frame_copy_props(AVFrame *dst, const AVFrame *src, int force_copy)
{
    int i;

    dst->key_frame              = src->key_frame;
    dst->pict_type              = src->pict_type;
    dst->sample_aspect_ratio    = src->sample_aspect_ratio;
    dst->pts                    = src->pts;
    dst->repeat_pict            = src->repeat_pict;
    dst->interlaced_frame       = src->interlaced_frame;
    dst->top_field_first        = src->top_field_first;
    dst->palette_has_changed    = src->palette_has_changed;
    dst->sample_rate            = src->sample_rate;
    dst->opaque                 = src->opaque;
    dst->pkt_pts                = src->pkt_pts;
    dst->pkt_dts                = src->pkt_dts;
    dst->pkt_pos                = src->pkt_pos;
    dst->pkt_size               = src->pkt_size;
    dst->pkt_duration           = src->pkt_duration;
    dst->reordered_opaque       = src->reordered_opaque;
    dst->quality                = src->quality;
    dst->best_effort_timestamp  = src->best_effort_timestamp;
    dst->coded_picture_number   = src->coded_picture_number;
    dst->display_picture_number = src->display_picture_number;
    dst->flags                  = src->flags;
    dst->decode_error_flags     = src->decode_error_flags;
    dst->color_primaries        = src->color_primaries;
    dst->color_trc              = src->color_trc;
    dst->colorspace             = src->colorspace;
    dst->color_range            = src->color_range;
    dst->chroma_location        = src->chroma_location;

    av_dict_copy(&dst->metadata, src->metadata, 0);

#if FF_API_ERROR_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
    memcpy(dst->error, src->error, sizeof(dst->error));
FF_ENABLE_DEPRECATION_WARNINGS
#endif

    for (i = 0; i < src->nb_side_data; i++) {
        const AVFrameSideData *sd_src = src->side_data[i];
        AVFrameSideData *sd_dst;
        if (   sd_src->type == AV_FRAME_DATA_PANSCAN
            && (src->width != dst->width || src->height != dst->height))
            continue;
        if (force_copy) {
            sd_dst = av_frame_new_side_data(dst, sd_src->type,
                                            sd_src->size);
            if (!sd_dst) {
                wipe_side_data(dst);
                return AVERROR(ENOMEM);
            }
            memcpy(sd_dst->data, sd_src->data, sd_src->size);
        } else {
            sd_dst = av_frame_new_side_data(dst, sd_src->type, 0);
            if (!sd_dst) {
                wipe_side_data(dst);
                return AVERROR(ENOMEM);
            }
            sd_dst->buf = av_buffer_ref(sd_src->buf);
            if (!sd_dst->buf) {
                wipe_side_data(dst);
                return AVERROR(ENOMEM);
            }
            sd_dst->data = sd_dst->buf->data;
            sd_dst->size = sd_dst->buf->size;
        }
        av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);
    }

#if FF_API_FRAME_QP
FF_DISABLE_DEPRECATION_WARNINGS
    dst->qscale_table = NULL;
    dst->qstride      = 0;
    dst->qscale_type  = 0;
    av_buffer_unref(&dst->qp_table_buf);
    if (src->qp_table_buf) {
        dst->qp_table_buf = av_buffer_ref(src->qp_table_buf);
        if (dst->qp_table_buf) {
            dst->qscale_table = dst->qp_table_buf->data;
            dst->qstride      = src->qstride;
            dst->qscale_type  = src->qscale_type;
        }
    }
FF_ENABLE_DEPRECATION_WARNINGS
#endif

    return 0;
}