Function writeout

libavformat/aviobuf.c:136–166

}

static void writeout(AVIOContext *s, const uint8_t *data, int len)
{
    FFIOContext *const ctx = ffiocontext(s);
    if (!s->error) {
        int ret = 0;
        if (s->write_data_type)
            ret = s->write_data_type(s->opaque, data,
                                     len,
                                     ctx->current_type,
                                     ctx->last_time);
        else if (s->write_packet)
            ret = s->write_packet(s->opaque, data, len);
        if (ret < 0) {
            s->error = ret;
        } else {
            ctx->bytes_written += len;
            s->bytes_written = ctx->bytes_written;

            if (s->pos + len > ctx->written_output_size) {
                ctx->written_output_size = s->pos + len;
            }
        }
    }
    if (ctx->current_type == AVIO_DATA_MARKER_SYNC_POINT ||
        ctx->current_type == AVIO_DATA_MARKER_BOUNDARY_POINT) {
        ctx->current_type = AVIO_DATA_MARKER_UNKNOWN;
    }
    ctx->last_time = AV_NOPTS_VALUE;
    ctx->writeout_count++;
    s->pos += len;
}

static void flush_buffer(AVIOContext *s)
{